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van der Voort A, van der Hoogt KJJ, Wessels R, Schipper RJ, Wesseling J, Sonke GS, Mann RM. Diffusion-weighted imaging in addition to contrast-enhanced MRI in identifying complete response in HER2-positive breast cancer. Eur Radiol 2024:10.1007/s00330-024-10857-7. [PMID: 38967659 DOI: 10.1007/s00330-024-10857-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 04/15/2024] [Accepted: 04/26/2024] [Indexed: 07/06/2024]
Abstract
OBJECTIVES The aim of this study is to investigate the added value of diffusion-weighted imaging (DWI) to dynamic-contrast enhanced (DCE)-MRI to identify a pathological complete response (pCR) in patients with HER2-positive breast cancer and radiological complete response (rCR). MATERIALS AND METHODS This is a single-center observational study of 102 patients with stage I-III HER2-positive breast cancer and real-world documented rCR on DCE-MRI. Patients were treated between 2015 and 2019. Both 1.5 T/3.0 T single-shot diffusion-weighted echo-planar sequence were used. Post neoadjuvant systemic treatment (NST) diffusion-weighted images were reviewed by two readers for visual evaluation and ADCmean. Discordant cases were resolved in a consensus meeting. pCR of the breast (ypT0/is) was used to calculate the negative predictive value (NPV). Breast pCR-percentages were tested with Fisher's exact test. ADCmean and ∆ADCmean(%) for patients with and without pCR were compared using a Mann-Whitney U-test. RESULTS The NPV for DWI added to DCE is 86% compared to 87% for DCE alone in hormone receptor (HR)-/HER2-positive and 67% compared to 64% in HR-positive/HER2-positive breast cancer. Twenty-seven of 39 non-rCR DWI cases were false positives. In HR-positive/HER2-positive breast cancer the NPV for DCE MRI differs between MRI field strength (1.5 T: 50% vs. 3 T: 81% [p = 0.02]). ADCmean at baseline, post-NST, and ∆ADCmean were similar between patients with and without pCR. CONCLUSION DWI has no clinically relevant effect on the NPV of DCE alone to identify a pCR in early HER2-positive breast cancer. The added value of DWI in HR-positive/HER2-positive breast cancer should be further investigated taken MRI field strength into account. CLINICAL RELEVANCE STATEMENT The residual signal on DWI after neoadjuvant systemic therapy in cases with early HER2-positive breast cancer and no residual pathologic enhancement on DCE-MRI breast should not (yet) be considered in assessing a complete radiologic response. KEY POINTS Radiologic complete response is associated with a pathologic complete response (pCR) in HER2+ breast cancer but further improvement is warranted. No relevant increase in negative predictive value was observed when DWI was added to DCE. Residual signal on DW-images without pathologic enhancement on DCE-MRI, does not indicate a lower chance of pCR.
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Affiliation(s)
- Anna van der Voort
- Department of Medical Oncology, the Netherlands Cancer Institute, Amsterdam, The Netherlands.
| | - Kay J J van der Hoogt
- Department of Radiology, the Netherlands Cancer Institute, Amsterdam, The Netherlands
- GROW School for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Ronni Wessels
- Department of Radiology, the Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Robert-Jan Schipper
- Department of Radiology, the Netherlands Cancer Institute, Amsterdam, The Netherlands
- Department of Surgery, Catharina Hospital, Eindhoven, The Netherlands
| | - Jelle Wesseling
- Department of Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Gabe S Sonke
- Department of Medical Oncology, the Netherlands Cancer Institute, Amsterdam, The Netherlands
- University of Amsterdam, Amsterdam, The Netherlands
| | - Ritse M Mann
- Department of Radiology, the Netherlands Cancer Institute, Amsterdam, The Netherlands
- Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
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2
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Gullo RL, Partridge SC, Shin HJ, Thakur SB, Pinker K. Update on DWI for Breast Cancer Diagnosis and Treatment Monitoring. AJR Am J Roentgenol 2024; 222:e2329933. [PMID: 37850579 PMCID: PMC11196747 DOI: 10.2214/ajr.23.29933] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2023]
Abstract
DWI is a noncontrast MRI technique that measures the diffusion of water molecules within biologic tissue. DWI is increasingly incorporated into routine breast MRI examinations. Currently, the main applications of DWI are breast cancer detection and characterization, prognostication, and prediction of treatment response to neoadjuvant chemotherapy. In addition, DWI is promising as a noncontrast MRI alternative for breast cancer screening. Problems with suboptimal resolution and image quality have restricted the mainstream use of DWI for breast imaging, but these shortcomings are being addressed through several technologic advancements. In this review, we present an up-to-date assessment of the use of DWI for breast cancer imaging, including a summary of the clinical literature and recommendations for future use.
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Affiliation(s)
- Roberto Lo Gullo
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Savannah C Partridge
- Department of Radiology, University of Washington School of Medicine, University of Washington, Seattle, WA, USA 98109, USA
| | - Hee Jung Shin
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, South Korea
| | - Sunitha B Thakur
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Katja Pinker
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
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Yao FF, Zhang Y. A review of quantitative diffusion-weighted MR imaging for breast cancer: Towards noninvasive biomarker. Clin Imaging 2023; 98:36-58. [PMID: 36996598 DOI: 10.1016/j.clinimag.2023.03.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/03/2023] [Accepted: 03/21/2023] [Indexed: 04/01/2023]
Abstract
Quantitative diffusion-weighted imaging (DWI) is an important adjunct to conventional breast MRI and shows promise as a noninvasive biomarker of breast cancer in multiple clinical scenarios, from the discrimination of benign and malignant lesions, prediction, and evaluation of treatment response to a prognostic assessment of breast cancer. Various quantitative parameters are derived from different DWI models based on special prior knowledge and assumptions, have different meanings, and are easy to confuse. In this review, we describe the quantitative parameters derived from conventional and advanced DWI models commonly used in breast cancer and summarize the promising clinical applications of these quantitative parameters. Although promising, it is still challenging for these quantitative parameters to become clinically useful noninvasive biomarkers in breast cancer, as multiple factors may result in variations in quantitative parameter measurements. Finally, we briefly describe some considerations regarding the factors that cause variations.
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Affiliation(s)
- Fei-Fei Yao
- Department of MRI in the First Affiliated Hospital, Zhengzhou University, Zhengzhou, China.
| | - Yan Zhang
- Department of MRI in the First Affiliated Hospital, Zhengzhou University, Zhengzhou, China
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Sabatino V, Pignata A, Valentini M, Fantò C, Leonardi I, Campora M. Assessment and Response to Neoadjuvant Treatments in Breast Cancer: Current Practice, Response Monitoring, Future Approaches and Perspectives. Cancer Treat Res 2023; 188:105-147. [PMID: 38175344 DOI: 10.1007/978-3-031-33602-7_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Neoadjuvant treatments (NAT) for breast cancer (BC) consist in the administration of chemotherapy-more rarely endocrine therapy-before surgery. Firstly, it was introduced 50 years ago to downsize locally advanced (inoperable) BCs. NAT are now widespread and so effective to be used also at the early stage of the disease. NAT are heterogeneous in terms of therapeutic patterns, class of used drugs, dosage, and duration. The poly-chemotherapy regimen and administration schedule are established by a multi-disciplinary team, according to the stage of disease, the tumor subtype and the age, the physical status, and the drug sensitivity of BC patients. Consequently, an accurate monitoring of treatment response can provide significant clinical advantages, such as the treatment de-escalation in case of early recognition of complete response or, on the contrary, the switch to an alternative treatment path in case of early detection of resistance to the ongoing therapy. Future is going toward increasingly personalized therapies and the prediction of individual response to treatment is the key to practice customized care pathways, preserving oncological safety and effectiveness. To gain such goal, the development of an accurate monitoring system, reproducible and reliable alone or as part of more complex diagnostic algorithms, will be promising.
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Affiliation(s)
- Vincenzo Sabatino
- Breast Imaging Department, Santa Chiara Hospital, APSS, Trento, Italy.
| | - Alma Pignata
- Breast Center, Spedali Civili Hospital, ASST, Brescia, Italy
| | - Marvi Valentini
- Breast Imaging Department, Santa Chiara Hospital, APSS, Trento, Italy
| | - Carmen Fantò
- Breast Imaging Department, Santa Chiara Hospital, APSS, Trento, Italy
| | - Irene Leonardi
- Breast Imaging Department, Santa Chiara Hospital, APSS, Trento, Italy
| | - Michela Campora
- Pathology Department, Santa Chiara Hospital, APSS, Trento, Italy
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5
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Evaluation of pretreatment ADC values as predictors of treatment response to neoadjuvant chemotherapy in patients with breast cancer - a multicenter study. Cancer Imaging 2022; 22:68. [PMID: 36494872 PMCID: PMC9733082 DOI: 10.1186/s40644-022-00501-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 10/25/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Magnetic resonance imaging (MRI) can be used to diagnose breast cancer. Diffusion weighted imaging (DWI) and the apparent diffusion coefficient (ADC) can reflect tumor microstructure in a non-invasive manner. The correct prediction of response of neoadjuvant chemotherapy (NAC) is crucial for clinical routine. Our aim was to compare ADC values between patients with pathological complete response (pCR) and non-responders based upon a multi-center design to improve the correct patient selection, which patient would more benefit from NAC and which patient would not. METHODS For this study, data from 4 centers (from Japan, Brazil, Spain and United Kingdom) were retrospectively acquired. The time period was overall 2003-2019. The patient sample comprises 250 patients (all female; median age, 50.5). In every case, pretreatment breast MRI with DWI was performed. pCR was assessed by experienced pathologists in every center using the surgical specimen in the clinical routine work up. pCR was defined as no residual invasive disease in either breast or axillary lymph nodes after NAC. ADC values between the group with pCR and those with no pCR were compared using the Mann-Whitney U test (two-group comparisons). Univariable and multivariabe logistic regression analysis was performed to predict pCR status. RESULTS Overall, 83 patients (33.2%) achieved pCR. The ADC values of the patient group with pCR were lower compared with patients without pCR (0.98 ± 0.23 × 10- 3 mm2/s versus 1.07 ± 0.24 × 10- 3 mm2/s, p = 0.02). The ADC value achieved an odds ratio of 4.65 (95% CI 1.40-15.49) in univariable analysis and of 3.0 (95% CI 0.85-10.63) in multivariable analysis (overall sample) to be associated with pCR status. The odds ratios differed in the subgroup analyses in accordance with the molecular subtype. CONCLUSIONS The pretreatment ADC-value is associated with pathological complete response after NAC in breast cancer patients. This could aid in clinical routine to reduce treatment toxicity for patients, who would not benefit from NAC. However, this must be tested in further studies, as the overlap of the ADC values in both groups is too high for clinical prediction.
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Panico C, Ferrara F, Woitek R, D’Angelo A, Di Paola V, Bufi E, Conti M, Palma S, Cicero SL, Cimino G, Belli P, Manfredi R. Staging Breast Cancer with MRI, the T. A Key Role in the Neoadjuvant Setting. Cancers (Basel) 2022; 14:cancers14235786. [PMID: 36497265 PMCID: PMC9739275 DOI: 10.3390/cancers14235786] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 11/15/2022] [Accepted: 11/17/2022] [Indexed: 11/27/2022] Open
Abstract
Breast cancer (BC) is the most common cancer among women worldwide. Neoadjuvant chemotherapy (NACT) indications have expanded from inoperable locally advanced to early-stage breast cancer. Achieving a pathological complete response (pCR) has been proven to be an excellent prognostic marker leading to better disease-free survival (DFS) and overall survival (OS). Although diagnostic accuracy of MRI has been shown repeatedly to be superior to conventional methods in assessing the extent of breast disease there are still controversies regarding the indication of MRI in this setting. We intended to review the complex literature concerning the tumor size in staging, response and surgical planning in patients with early breast cancer receiving NACT, in order to clarify the role of MRI. Morphological and functional MRI techniques are making headway in the assessment of the tumor size in the staging, residual tumor assessment and prediction of response. Radiomics and radiogenomics MRI applications in the setting of the prediction of response to NACT in breast cancer are continuously increasing. Tailored therapy strategies allow considerations of treatment de-escalation in excellent responders and avoiding or at least postponing breast surgery in selected patients.
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Affiliation(s)
- Camilla Panico
- Department of Bioimaging, Radiation Oncology and Hematology, UOC of Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCSS, Largo A. Gemelli 8, 00168 Rome, Italy
- Correspondence:
| | - Francesca Ferrara
- Institute of Radiology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, 00168 Rome, Italy
| | - Ramona Woitek
- Medical Image Analysis and AI (MIAAI), Danube Private University, 3500 Krems, Austria
- Department of Radiology, University of Cambridge, Cambridge CB2 0QQ, UK
- Cancer Research UK Cambridge Centre, Cambridge CB2 0RE, UK
| | - Anna D’Angelo
- Department of Bioimaging, Radiation Oncology and Hematology, UOC of Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCSS, Largo A. Gemelli 8, 00168 Rome, Italy
| | - Valerio Di Paola
- Department of Bioimaging, Radiation Oncology and Hematology, UOC of Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCSS, Largo A. Gemelli 8, 00168 Rome, Italy
| | - Enida Bufi
- Department of Bioimaging, Radiation Oncology and Hematology, UOC of Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCSS, Largo A. Gemelli 8, 00168 Rome, Italy
| | - Marco Conti
- Department of Bioimaging, Radiation Oncology and Hematology, UOC of Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCSS, Largo A. Gemelli 8, 00168 Rome, Italy
| | - Simone Palma
- Institute of Radiology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, 00168 Rome, Italy
| | - Stefano Lo Cicero
- Institute of Radiology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, 00168 Rome, Italy
| | - Giovanni Cimino
- Institute of Radiology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, 00168 Rome, Italy
| | - Paolo Belli
- Department of Bioimaging, Radiation Oncology and Hematology, UOC of Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCSS, Largo A. Gemelli 8, 00168 Rome, Italy
- Institute of Radiology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, 00168 Rome, Italy
| | - Riccardo Manfredi
- Department of Bioimaging, Radiation Oncology and Hematology, UOC of Radiologia, Fondazione Policlinico Universitario A. Gemelli IRCSS, Largo A. Gemelli 8, 00168 Rome, Italy
- Institute of Radiology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, 00168 Rome, Italy
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7
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Mendez AM, Fang LK, Meriwether CH, Batasin SJ, Loubrie S, Rodríguez-Soto AE, Rakow-Penner RA. Diffusion Breast MRI: Current Standard and Emerging Techniques. Front Oncol 2022; 12:844790. [PMID: 35880168 PMCID: PMC9307963 DOI: 10.3389/fonc.2022.844790] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 05/11/2022] [Indexed: 11/13/2022] Open
Abstract
The role of diffusion weighted imaging (DWI) as a biomarker has been the subject of active investigation in the field of breast radiology. By quantifying the random motion of water within a voxel of tissue, DWI provides indirect metrics that reveal cellularity and architectural features. Studies show that data obtained from DWI may provide information related to the characterization, prognosis, and treatment response of breast cancer. The incorporation of DWI in breast imaging demonstrates its potential to serve as a non-invasive tool to help guide diagnosis and treatment. In this review, current technical literature of diffusion-weighted breast imaging will be discussed, in addition to clinical applications, advanced techniques, and emerging use in the field of radiomics.
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Affiliation(s)
- Ashley M. Mendez
- Department of Radiology, University of California San Diego, La Jolla, CA, United States
| | - Lauren K. Fang
- Department of Radiology, University of California San Diego, La Jolla, CA, United States
| | - Claire H. Meriwether
- Department of Radiology, University of California San Diego, La Jolla, CA, United States
| | - Summer J. Batasin
- Department of Radiology, University of California San Diego, La Jolla, CA, United States
| | - Stéphane Loubrie
- Department of Radiology, University of California San Diego, La Jolla, CA, United States
| | - Ana E. Rodríguez-Soto
- Department of Radiology, University of California San Diego, La Jolla, CA, United States
| | - Rebecca A. Rakow-Penner
- Department of Radiology, University of California San Diego, La Jolla, CA, United States,Department of Bioengineering, University of California San Diego, La Jolla, CA, United States,*Correspondence: Rebecca A. Rakow-Penner,
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8
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Kong X, Zhang Q, Wu X, Zou T, Duan J, Song S, Nie J, Tao C, Tang M, Wang M, Zou J, Xie Y, Li Z, Li Z. Advances in Imaging in Evaluating the Efficacy of Neoadjuvant Chemotherapy for Breast Cancer. Front Oncol 2022; 12:816297. [PMID: 35669440 PMCID: PMC9163342 DOI: 10.3389/fonc.2022.816297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 03/29/2022] [Indexed: 11/13/2022] Open
Abstract
Neoadjuvant chemotherapy (NAC) is increasingly widely used in breast cancer treatment, and accurate evaluation of its response provides essential information for treatment and prognosis. Thus, the imaging tools used to quantify the disease response are critical in evaluating and managing patients treated with NAC. We discussed the recent progress, advantages, and disadvantages of common imaging methods in assessing the efficacy of NAC for breast cancer.
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Affiliation(s)
- Xianshu Kong
- Third Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Qian Zhang
- Third Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Xuemei Wu
- Third Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Tianning Zou
- Third Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Jiajun Duan
- Third Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Shujie Song
- Department of Pathology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Jianyun Nie
- Third Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Chu Tao
- Third Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Mi Tang
- Department of Pathology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Maohua Wang
- First Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Jieya Zou
- Third Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Yu Xie
- Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
| | - Zhenhui Li
- Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
- *Correspondence: Zhen Li, ; Zhenhui Li,
| | - Zhen Li
- Third Department of the Breast Surgery, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Yunnan Cancer Center, Kunming, China
- *Correspondence: Zhen Li, ; Zhenhui Li,
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Impact of Alternate b-Value Combinations and Metrics on the Predictive Performance and Repeatability of Diffusion-Weighted MRI in Breast Cancer Treatment: Results from the ECOG-ACRIN A6698 Trial. Tomography 2022; 8:701-717. [PMID: 35314635 PMCID: PMC8938828 DOI: 10.3390/tomography8020058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/15/2022] [Accepted: 02/25/2022] [Indexed: 11/16/2022] Open
Abstract
In diffusion-weighted MRI (DW-MRI), choice of b-value influences apparent diffusion coefficient (ADC) values by probing different aspects of the tissue microenvironment. As a secondary analysis of the multicenter ECOG-ACRIN A6698 trial, the purpose of this study was to investigate the impact of alternate b-value combinations on the performance and repeatability of tumor ADC as a predictive marker of breast cancer treatment response. The final analysis included 210 women who underwent standardized 4-b-value DW-MRI (b = 0/100/600/800 s/mm2) at multiple timepoints during neoadjuvant chemotherapy treatment and a subset (n = 71) who underwent test−retest scans. Centralized tumor ADC and perfusion fraction (fp) measures were performed using variable b-value combinations. Prediction of pathologic complete response (pCR) based on the mid-treatment/12-week percent change in each metric was estimated by area under the receiver operating characteristic curve (AUC). Repeatability was estimated by within-subject coefficient of variation (wCV). Results show that two-b-value ADC calculations provided non-inferior predictive value to four-b-value ADC calculations overall (AUCs = 0.60−0.61 versus AUC = 0.60) and for HR+/HER2− cancers where ADC was most predictive (AUCs = 0.75−0.78 versus AUC = 0.76), p < 0.05. Using two b-values (0/600 or 0/800 s/mm2) did not reduce ADC repeatability over the four-b-value calculation (wCVs = 4.9−5.2% versus 5.4%). The alternate metrics ADCfast (b ≤ 100 s/mm2), ADCslow (b ≥ 100 s/mm2), and fp did not improve predictive performance (AUCs = 0.54−0.60, p = 0.08−0.81), and ADCfast and fp demonstrated the lowest repeatability (wCVs = 6.71% and 12.4%, respectively). In conclusion, breast tumor ADC calculated using a simple two-b-value approach can provide comparable predictive value and repeatability to full four-b-value measurements as a marker of treatment response.
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10
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Geng X, Zhang D, Suo S, Chen J, Cheng F, Zhang K, Zhang Q, Li L, Lu Y, Hua J, Zhuang Z. Using the apparent diffusion coefficient histogram analysis to predict response to neoadjuvant chemotherapy in patients with breast cancer: comparison among three region of interest selection methods. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:323. [PMID: 35433990 PMCID: PMC9011214 DOI: 10.21037/atm-22-1078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 03/18/2022] [Indexed: 11/06/2022]
Abstract
Background The apparent diffusion coefficient (ADC) value using histogram analysis is helpful to predict responses to neoadjuvant chemotherapy (NAC) in breast cancer. However, the measurement method has not reached a consensus. This study was to assess the diagnostic performance of the ADC histogram analysis at predicting patient response prior to NAC in breast cancer patients using different region of interest (ROI) selection methods. Methods A total of 75 patients who underwent diffusion weighted imaging (DWI) prior to NAC were retrospectively enrolled from February 2017 to December 2019. Images were measured using small 2-dimensional (2D) ROI, large 2D ROI, and volume ROI methods. The measurement time and ROI size were recorded. Histopathologic responses were acquired using the Miller-Payne grading system after surgery. The inter- and intra-observer repeatability was analyzed and the ADC histogram values from the three ROI methods were compared. The efficacy of each method at predicting patient response prior to NAC was assessed using the area under the receiver operating characteristic curve (AUC) for the whole study population and subgroups according to molecular subtype. Results Among the 75 enrolled patients, 26 (34.67%) were responsive to NAC therapy. The ADC histogram values were significantly different among the three ROI methods (P≤0.038). Inter- and intra-observer repeatability of the large 2D ROI method and the volume ROI method was generally greater than that observed with the 2D ROI method. The 10% ADC value of the large 2D ROI method showed the greatest AUC (0.701) in the whole study population and in the luminal subgroup (AUC 0.804). The volume ROI method required significantly more time than the other two ROI methods (P<0.001). Conclusions The small 2D ROI method is not appropriate for predicting response prior to NAC in breast cancer patients due to the poor repeatability. When choosing the ROI method and the histogram parameters for predicting response prior to NAC in breast cancer patients using ADC-derived histogram analysis, 10% of the large 2D ROI method is recommended, especially in luminal A subtype patients.
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Affiliation(s)
- Xiaochuan Geng
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dandan Zhang
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shiteng Suo
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jie Chen
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fang Cheng
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kebei Zhang
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Zhang
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lan Li
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yang Lu
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jia Hua
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhiguo Zhuang
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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11
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van der Hoogt KJJ, Schipper RJ, Winter-Warnars GA, Ter Beek LC, Loo CE, Mann RM, Beets-Tan RGH. Factors affecting the value of diffusion-weighted imaging for identifying breast cancer patients with pathological complete response on neoadjuvant systemic therapy: a systematic review. Insights Imaging 2021; 12:187. [PMID: 34921645 PMCID: PMC8684570 DOI: 10.1186/s13244-021-01123-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/06/2021] [Indexed: 12/18/2022] Open
Abstract
This review aims to identify factors causing heterogeneity in breast DWI-MRI and their impact on its value for identifying breast cancer patients with pathological complete response (pCR) on neoadjuvant systemic therapy (NST). A search was performed on PubMed until April 2020 for studies analyzing DWI for identifying breast cancer patients with pCR on NST. Technical and clinical study aspects were extracted and assessed for variability. Twenty studies representing 1455 patients/lesions were included. The studies differed with respect to study population, treatment type, DWI acquisition technique, post-processing (e.g., mono-exponential/intravoxel incoherent motion/stretched exponential modeling), and timing of follow-up studies. For the acquisition and generation of ADC-maps, various b-value combinations were used. Approaches for drawing regions of interest on longitudinal MRIs were highly variable. Biological variability due to various molecular subtypes was usually not taken into account. Moreover, definitions of pCR varied. The individual areas under the curve for the studies range from 0.50 to 0.92. However, overlapping ranges of mean/median ADC-values at pre- and/or during and/or post-NST were found for the pCR and non-pCR groups between studies. The technical, clinical, and epidemiological heterogeneity may be causal for the observed variability in the ability of DWI to predict pCR accurately. This makes implementation of DWI for pCR prediction and evaluation based on one absolute ADC threshold for all breast cancer types undesirable. Multidisciplinary consensus and appropriate clinical study design, taking biological and therapeutic variation into account, is required for obtaining standardized, reliable, and reproducible DWI measurements for pCR/non-pCR identification.
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Affiliation(s)
- Kay J J van der Hoogt
- Department of Radiology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands. .,GROW School of Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, The Netherlands.
| | - Robert J Schipper
- Department of Radiology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
| | - Gonneke A Winter-Warnars
- Department of Radiology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
| | - Leon C Ter Beek
- Department of Medical Physics, The Netherlands Cancer Institute - Antoni van Leeuwenhoek, Amsterdam, The Netherlands
| | - Claudette E Loo
- Department of Radiology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
| | - Ritse M Mann
- Department of Radiology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands.,Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Regina G H Beets-Tan
- Department of Radiology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands.,GROW School of Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, The Netherlands.,Danish Colorectal Cancer Unit South, Institute of Regional Health Research, Vejle University Hospital, University of Southern Denmark, Odense, Denmark
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12
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Virostko J, Sorace AG, Slavkova KP, Kazerouni AS, Jarrett AM, DiCarlo JC, Woodard S, Avery S, Goodgame B, Patt D, Yankeelov TE. Quantitative multiparametric MRI predicts response to neoadjuvant therapy in the community setting. Breast Cancer Res 2021; 23:110. [PMID: 34838096 PMCID: PMC8627106 DOI: 10.1186/s13058-021-01489-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 11/17/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The purpose of this study was to determine whether advanced quantitative magnetic resonance imaging (MRI) can be deployed outside of large, research-oriented academic hospitals and into community care settings to predict eventual pathological complete response (pCR) to neoadjuvant therapy (NAT) in patients with locally advanced breast cancer. METHODS Patients with stage II/III breast cancer (N = 28) were enrolled in a multicenter study performed in community radiology settings. Dynamic contrast-enhanced (DCE) and diffusion-weighted (DW)-MRI data were acquired at four time points during the course of NAT. Estimates of the vascular perfusion and permeability, as assessed by the volume transfer rate (Ktrans) using the Patlak model, were generated from the DCE-MRI data while estimates of cell density, as assessed by the apparent diffusion coefficient (ADC), were calculated from DW-MRI data. Tumor volume was calculated using semi-automatic segmentation and combined with Ktrans and ADC to yield bulk tumor blood flow and cellularity, respectively. The percent change in quantitative parameters at each MRI scan was calculated and compared to pathological response at the time of surgery. The predictive accuracy of each MRI parameter at different time points was quantified using receiver operating characteristic curves. RESULTS Tumor size and quantitative MRI parameters were similar at baseline between groups that achieved pCR (n = 8) and those that did not (n = 20). Patients achieving a pCR had a larger decline in volume and cellularity than those who did not achieve pCR after one cycle of NAT (p < 0.05). At the third and fourth MRI, changes in tumor volume, Ktrans, ADC, cellularity, and bulk tumor flow from baseline (pre-treatment) were all significantly greater (p < 0.05) in the cohort who achieved pCR compared to those patients with non-pCR. CONCLUSIONS Quantitative analysis of DCE-MRI and DW-MRI can be implemented in the community care setting to accurately predict the response of breast cancer to NAT. Dissemination of quantitative MRI into the community setting allows for the incorporation of these parameters into the standard of care and increases the number of clinical community sites able to participate in novel drug trials that require quantitative MRI.
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Affiliation(s)
- John Virostko
- Department of Diagnostic Medicine, University of Texas at Austin, Austin, TX, 78712, USA
- Livestrong Cancer Institutes, University of Texas at Austin, Austin, TX, USA
- Department of Oncology, University of Texas at Austin, Austin, TX, USA
- Oden Institute for Computational Engineering and Sciences, University of Texas at Austin, Austin, TX, USA
| | - Anna G Sorace
- Department of Radiology, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, USA
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Kalina P Slavkova
- Department of Physics, University of Texas at Austin, Austin, TX, USA
| | - Anum S Kazerouni
- Department of Radiology, University of Washington, Seattle, WA, USA
| | - Angela M Jarrett
- Oden Institute for Computational Engineering and Sciences, University of Texas at Austin, Austin, TX, USA
| | - Julie C DiCarlo
- Livestrong Cancer Institutes, University of Texas at Austin, Austin, TX, USA
- Oden Institute for Computational Engineering and Sciences, University of Texas at Austin, Austin, TX, USA
| | - Stefanie Woodard
- Department of Radiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sarah Avery
- Austin Radiological Association, Austin, TX, USA
| | - Boone Goodgame
- Dell Seton Medical Center at the University of Texas, Austin, USA
| | | | - Thomas E Yankeelov
- Department of Diagnostic Medicine, University of Texas at Austin, Austin, TX, 78712, USA.
- Livestrong Cancer Institutes, University of Texas at Austin, Austin, TX, USA.
- Department of Oncology, University of Texas at Austin, Austin, TX, USA.
- Oden Institute for Computational Engineering and Sciences, University of Texas at Austin, Austin, TX, USA.
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA.
- Department of Imaging Physics, MD Anderson Cancer Center, Houston, TX, USA.
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13
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Lu N, Dong J, Fang X, Wang L, Jia W, Zhou Q, Wang L, Wei J, Pan Y, Han X. Predicting pathologic response to neoadjuvant chemotherapy in patients with locally advanced breast cancer using multiparametric MRI. BMC Med Imaging 2021; 21:155. [PMID: 34688263 PMCID: PMC8542288 DOI: 10.1186/s12880-021-00688-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 10/11/2021] [Indexed: 11/12/2022] Open
Abstract
Background This study aims to observe and analyze the effect of diffusion weighted magnetic resonance imaging (MRI) on the patients with locally advanced breast cancer undergoing neoadjuvant chemotherapy. Methods Fifty patients (mean age, 48.7 years) with stage II–III breast cancer who underwent neoadjuvant chemotherapy and preoperative MRI between 2016 and 2020 were retrospectively evaluated. The associations between preoperative breast MRI findings/clinicopathological features and outcomes of neoadjuvant chemotherapy were assessed. Results Clinical stage at baseline (OR: 0.104, 95% confidence interval (CI) 0.021–0.516, P = 0.006) and standard apparent diffusion coefficient (ADC) change (OR: 9.865, 95% CI 1.024–95.021, P = 0.048) were significant predictive factors of the effects of neoadjuvant chemotherapy. The percentage increase of standard ADC value in pathologic complete response (pCR) group was larger than that in non-pCR group at first time point (P < 0.05). A correlation was observed between the change in standard ADC values and tumor diameter at first follow-up (r: 0.438, P < 0.05). Conclusions Our findings support that change in standard ADC values and clinical stage at baseline can predict the effects of neoadjuvant chemotherapy for patients with breast cancer in early stage. Supplementary Information The online version contains supplementary material available at 10.1186/s12880-021-00688-z.
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Affiliation(s)
- Nannan Lu
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road 17, Hefei, 230001, Anhui, China
| | - Jie Dong
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road 17, Hefei, 230001, Anhui, China.,Department of Medical Oncology, Anhui Provincial Hospital Affiliated To Anhui Medical University, Hefei, 230032, Anhui, China
| | - Xin Fang
- Department of Radiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230031, Anhui, China
| | - Lufang Wang
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road 17, Hefei, 230001, Anhui, China
| | - Wei Jia
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road 17, Hefei, 230001, Anhui, China
| | - Qiong Zhou
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road 17, Hefei, 230001, Anhui, China.,Department of Medical Oncology, Anhui Provincial Hospital Affiliated To Anhui Medical University, Hefei, 230032, Anhui, China
| | - Lingyu Wang
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road 17, Hefei, 230001, Anhui, China
| | - Jie Wei
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road 17, Hefei, 230001, Anhui, China
| | - Yueyin Pan
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road 17, Hefei, 230001, Anhui, China
| | - Xinghua Han
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road 17, Hefei, 230001, Anhui, China.
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14
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Zhang D, Geng X, Suo S, Zhuang Z, Gu Y, Hua J. The predictive value of DKI in breast cancer: Does tumour subtype affect pathological response evaluations? Magn Reson Imaging 2021; 85:28-34. [PMID: 34662700 DOI: 10.1016/j.mri.2021.10.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 07/25/2021] [Accepted: 10/12/2021] [Indexed: 12/18/2022]
Abstract
PURPOSE To explore the differences in quantitative parameters based on diffusion weighted imaging (DWI) and diffusion kurtosis imaging (DKI) between different immunohistochemical indicator statuses and their predictive value for neoadjuvant chemotherapy (NAC) among different phenotypes of breast cancer. METHODS Eighty-one breast cancer patients who underwent NAC were enrolled in this retrospective study. Correlations between diffusion parameters and immunohistochemical indicators were determined using Spearman's test, and receiver operating characteristic (ROC) curves were constructed to assess the apparent diffusion coefficient (ADC), mean diffusivity (MD), and mean kurtosis (MK) in predicting the pathologic complete response (PCR). RESULTS Correlations were observed between MK values and hormone receptor (HR) expression (oestrogen receptor (ER): r = 0.315 and progesterone receptor (PR): r = 0.268). The parameters ADC(0,1000), MK, and MD all showed correlations with Ki67 expression (r = 0.276, 0.316 and - 0.224, respectively). ER and Ki67 expression and the parameters MD and MK were significantly different between the PCR and non-PCR groups (AUC = 0.783, 0.688, 0.649 and 0.684, respectively). After splitting patients into subgroups, no significant differences were observed between the PCR and non-PCR groups with human epidermal growth factor receptor 2 (HER2) + and triple-negative (TN) breast cancer. However, we were surprised to find that ADC(0, 1000), MD, and MK were significantly different between different remission groups with HR+/HER2+ subtypes, and the AUCs of each parameter reached 0.794, 0.825, and 0.712, respectively. CONCLUSION MK was correlated with HR expression. ADC(0, 1000) and DKI were correlated with Ki67 expression. ADC(0, 1000) and the non-Gaussian diffusion model are suitable for predicting PCR in patients with HR+/HER2+ breast cancer before NAC.
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Affiliation(s)
- Dandan Zhang
- Department of Radiology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, No.270 Dongan Rd., Shanghai 200032, People's Republic of China
| | - Xiaochuan Geng
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd., Shanghai 200127, People's Republic of China; Department of Radiology, Renji Hospital South Campus, School of Medicine, Shanghai Jiao Tong University, No.2000 Jiangyue Rd., Shanghai 201112, People's Republic of China
| | - Shiteng Suo
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd., Shanghai 200127, People's Republic of China
| | - Zhiguo Zhuang
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd., Shanghai 200127, People's Republic of China
| | - Yajia Gu
- Department of Radiology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, No.270 Dongan Rd., Shanghai 200032, People's Republic of China.
| | - Jia Hua
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd., Shanghai 200127, People's Republic of China.
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15
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Suo S, Yin Y, Geng X, Zhang D, Hua J, Cheng F, Chen J, Zhuang Z, Cao M, Xu J. Diffusion-weighted MRI for predicting pathologic response to neoadjuvant chemotherapy in breast cancer: evaluation with mono-, bi-, and stretched-exponential models. J Transl Med 2021; 19:236. [PMID: 34078388 PMCID: PMC8173748 DOI: 10.1186/s12967-021-02886-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 05/14/2021] [Indexed: 12/24/2022] Open
Abstract
Background To investigate the performance of diffusion-weighted (DW) MRI with mono-, bi- and stretched-exponential models in predicting pathologic complete response (pCR) to neoadjuvant chemotherapy (NACT) for breast cancer, and further outline a predictive model of pCR combining DW MRI parameters, contrast-enhanced (CE) MRI findings, and/or clinical-pathologic variables. Methods In this retrospective study, 144 women who underwent NACT and subsequently received surgery for invasive breast cancer were included. Breast MRI including multi-b-value DW imaging was performed before (pre-treatment), after two cycles (mid-treatment), and after all four cycles (post-treatment) of NACT. Quantitative DW imaging parameters were computed according to the mono-exponential (apparent diffusion coefficient [ADC]), bi-exponential (pseudodiffusion coefficient and perfusion fraction), and stretched-exponential (distributed diffusion coefficient and intravoxel heterogeneity index) models. Tumor size and relative enhancement ratio of the tumor were measured on contrast-enhanced MRI at each time point. Pre-treatment parameters and changes in parameters at mid- and post-treatment relative to baseline were compared between pCR and non-pCR groups. Receiver operating characteristic analysis and multivariate regression analysis were performed. Results Of the 144 patients, 54 (37.5%) achieved pCR after NACT. Overall, among all DW and CE MRI measures, flow-insensitive ADC change (ΔADC200,1000) at mid-treatment showed the highest diagnostic performance for predicting pCR, with an area under the receiver operating characteristic curve (AUC) of 0.831 (95% confidence interval [CI]: 0.747, 0.915; P < 0.001). The model combining pre-treatment estrogen receptor and human epidermal growth factor receptor 2 statuses and mid-treatment ΔADC200,1000 improved the AUC to 0.905 (95% CI: 0.843, 0.966; P < 0.001). Conclusion Mono-exponential flow-insensitive ADC change at mid-treatment was a predictor of pCR after NACT in breast cancer.
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Affiliation(s)
- Shiteng Suo
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China.,Biomedical Instrument Institute, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Yan Yin
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China
| | - Xiaochuan Geng
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China
| | - Dandan Zhang
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China
| | - Jia Hua
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China.
| | - Fang Cheng
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China
| | - Jie Chen
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China.
| | - Zhiguo Zhuang
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China
| | - Mengqiu Cao
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China
| | - Jianrong Xu
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Rd, Shanghai, 200127, China
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16
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Duric N, Littrup P, Sak M, Li C, Chen D, Roy O, Bey-Knight L, Brem R. A Novel Marker, Based on Ultrasound Tomography, for Monitoring Early Response to Neoadjuvant Chemotherapy. JOURNAL OF BREAST IMAGING 2020; 2:569-576. [PMID: 33385161 DOI: 10.1093/jbi/wbaa084] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To evaluate the combination of tumor volume and sound speed as a potential imaging marker for assessing neoadjuvant chemotherapy (NAC) response. METHODS This study was carried out under an IRB-approved protocol (written consent required). Fourteen patients undergoing NAC for invasive breast cancer were examined with ultrasound tomography (UST) throughout their treatment. The volume (V) and the volume-averaged sound speed (VASS) of the tumors and their changes were measured for each patient. Time-dependent response curves of V and VASS were constructed individually for each patient and then as averages for the complete versus partial response groups in order to characterize differences between the two groups. Differences in group means were assessed for statistical significance using t-tests. Differences in shapes of group curves were evaluated with Kolmogorov-Smirnoff tests. RESULTS On average, tumor volume and sound speed in the partial response group showed a gradual decline in the first 60 days of treatment, while the complete response group showed a much steeper decline (P < 0.05). The shapes of the response curves of the two groups, corresponding to the entire treatment period, were also found to be significantly different (P < 0.05). Furthermore, large simultaneous drops in volume and sound speed in the first 3 weeks of treatment were characteristic only of the complete responders (P < 0.05). CONCLUSION This study demonstrates the feasibility of using UST to monitor NAC response, warranting future studies to better define the potential of UST for noninvasive, rapid identification of partial versus complete responders in women undergoing NAC.
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Affiliation(s)
- Neb Duric
- Delphinus Medical Technologies, Inc., Novi, MI.,Wayne State University, Barbara Ann Karmanos Cancer Institute, Department of Oncology, Detroit, MI
| | - Peter Littrup
- Delphinus Medical Technologies, Inc., Novi, MI.,Wayne State University, Barbara Ann Karmanos Cancer Institute, Department of Oncology, Detroit, MI
| | - Mark Sak
- Delphinus Medical Technologies, Inc., Novi, MI
| | - Cuiping Li
- Delphinus Medical Technologies, Inc., Novi, MI
| | - Di Chen
- Delphinus Medical Technologies, Inc., Novi, MI
| | - Olivier Roy
- Delphinus Medical Technologies, Inc., Novi, MI
| | - Lisa Bey-Knight
- Delphinus Medical Technologies, Inc., Novi, MI.,Wayne State University, Barbara Ann Karmanos Cancer Institute, Department of Oncology, Detroit, MI
| | - Rachel Brem
- George Washington University, Department of Radiology, Washington, DC
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17
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Surov A, Wienke A, Meyer HJ. Pretreatment apparent diffusion coefficient does not predict therapy response to neoadjuvant chemotherapy in breast cancer. Breast 2020; 53:59-67. [PMID: 32652460 PMCID: PMC7375564 DOI: 10.1016/j.breast.2020.06.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 05/30/2020] [Accepted: 06/01/2020] [Indexed: 12/12/2022] Open
Abstract
Background Some reports indicated that apparent diffusion coefficient can predict pathologic response to treatment in breast cancer (BC). The purpose of the present meta-analysis was to provide evident data regarding use of ADC values for prediction of treatment response in BC. Methods MEDLINE library, EMBASE and SCOPUS databases were screened for associations between ADC and treatment response for neoadjuvant chemotherapy in breast cancer (BC) up to March 2020. Overall, 22 studies met the inclusion criteria. For the present analysis, the following data were extracted from the collected studies: authors, year of publication, study design, number of patients/lesions, mean and standard deviation of the pretreatment ADC values. The methodological quality of the included studies was checked according to the QUADAS-2 instrument. The meta-analysis was undertaken by using RevMan 5.3 software. DerSimonian and Laird random-effects models with inverse-variance weights were used without any further correction to account for the heterogeneity between the studies. Mean ADC values including 95% confidence intervals were calculated separately for responders and non responders. Results The acquired 22 studies comprised 1827 patients with different BC. Of the 1827 patients, 650 (35.6%) were reported as responders and 1177 (64.4%) as non-responders to the neoadjuvant chemotherapy. The pooled calculated pretreatment mean ADC value of BC in responders was 0.98 (95% CI = [0.94; 1.03]). In non-responders, it was 1.05 (95% CI = [1.00; 1.10]). The ADC values of the groups overlapped significantly. Conclusion Pretreatment ADC alone cannot predict response to neoadjuvant chemotherapy in BC.
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Affiliation(s)
- Alexey Surov
- Department of Radiology and Nuclear Medicine, Otto-von-Guericke University of Magdeburg, Germany.
| | - Andreas Wienke
- Department of Diagnostic and Interventional Radiology, University of Leipzig, Germany.
| | - Hans Jonas Meyer
- Institute of Medical Epidemiology, Biostatistics, and Informatics, Martin-Luther-University Halle-Wittenberg, Germany.
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18
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Reig B, Heacock L, Lewin A, Cho N, Moy L. Role of MRI to Assess Response to Neoadjuvant Therapy for Breast Cancer. J Magn Reson Imaging 2020; 52. [DOI: 10.1002/jmri.27145] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 03/01/2020] [Accepted: 03/02/2020] [Indexed: 12/25/2022] Open
Affiliation(s)
- Beatriu Reig
- Department of Radiology New York University Grossman School of Medicine New York New York USA
- New York University Laura and Isaac Perlmutter Cancer Center New York New York USA
| | - Laura Heacock
- Department of Radiology New York University Grossman School of Medicine New York New York USA
- New York University Laura and Isaac Perlmutter Cancer Center New York New York USA
| | - Alana Lewin
- Department of Radiology New York University Grossman School of Medicine New York New York USA
- New York University Laura and Isaac Perlmutter Cancer Center New York New York USA
| | - Nariya Cho
- Department of Radiology Seoul National University Hospital Seoul Republic of Korea
- Department of Radiology Seoul National University College of Medicine Seoul Republic of Korea
| | - Linda Moy
- Department of Radiology New York University Grossman School of Medicine New York New York USA
- New York University Laura and Isaac Perlmutter Cancer Center New York New York USA
- Bernard and Irene Schwartz Center for Biomedical Imaging Department of Radiology, New York University Grossman School of Medicine New York New York USA
- Center for Advanced Imaging Innovation and Research (CAI2 R) New York University Grossman School of Medicine New York New York USA
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19
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Iima M, Honda M, Sigmund EE, Ohno Kishimoto A, Kataoka M, Togashi K. Diffusion MRI of the breast: Current status and future directions. J Magn Reson Imaging 2019; 52:70-90. [PMID: 31520518 DOI: 10.1002/jmri.26908] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 08/12/2019] [Indexed: 12/30/2022] Open
Abstract
Diffusion-weighted imaging (DWI) is increasingly being incorporated into routine breast MRI protocols in many institutions worldwide, and there are abundant breast DWI indications ranging from lesion detection and distinguishing malignant from benign tumors to assessing prognostic biomarkers of breast cancer and predicting treatment response. DWI has the potential to serve as a noncontrast MR screening method. Beyond apparent diffusion coefficient (ADC) mapping, which is a commonly used quantitative DWI measure, advanced DWI models such as intravoxel incoherent motion (IVIM), non-Gaussian diffusion MRI, and diffusion tensor imaging (DTI) are extensively exploited in this field, allowing the characterization of tissue perfusion and architecture and improving diagnostic accuracy without the use of contrast agents. This review will give a summary of the clinical literature along with future directions. Level of Evidence: 5 Technical Efficacy: Stage 2 J. Magn. Reson. Imaging 2020;52:70-90.
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Affiliation(s)
- Mami Iima
- Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Department of Clinical Innovative Medicine, Institute for Advancement of Clinical and Translational Science, Kyoto University Hospital, Kyoto, Japan
| | - Maya Honda
- Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Eric E Sigmund
- Department of Radiology, NYU Langone Health, New York, New York, USA.,Center for Advanced Imaging and Innovation (CAI2R), New York, New York, USA
| | - Ayami Ohno Kishimoto
- Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masako Kataoka
- Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kaori Togashi
- Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
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20
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Zhao H, Zhang J, Lu Y, Jin J. Neoadjuvant chemotherapy in combination with surgery in the treatment of local advanced breast cancer. Pak J Med Sci 2019; 35:1402-1407. [PMID: 31489015 PMCID: PMC6717476 DOI: 10.12669/pjms.35.5.310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Objective: To investigate the effect of neoadjuvant chemotherapy combined with surgery on locally advanced breast cancer and its prognosis. Methods: One hundred and fifty-four patients with locally advanced breast cancer who were admitted to our hospital from February 2014 to April 2015 were selected as the study subjects. They were divided into an observation group and a control group according to the principle of random equalization, 77 each group. The observation group was treated with TAC scheme, neoadjuvant chemotherapy combined with modified radical resection, and continuously treated with the same scheme after operation until the end of the course of treatment. The control group was treated with modified radical resection and TAC scheme. The clinical efficacy of the two groups was observed, and the perioperative indications, prognosis and occurrence of adverse reactions were compared between the two groups. Results: The total effective rate of the observation group was 76.62%, significantly higher than that of the control group (55.84%, P<0.05). The observation group had shorter operation time and hospitalization time and less bleeding amount compared to the control group (P<0.05). The metastasis rate and recurrence rate of the observation group were significantly lower than those of the control group (P<0.05); there was a significant difference between the two groups (P<0.05). The one-year and three-year survival rates of the observation group were significantly higher than those of the control group (P<0.05). There was no significant difference in the incidence of adverse reactions between the two groups after operation (P>0.05). Conclusion: Preoperative neoadjuvant chemotherapy in combination with TAC scheme can reduce the difficulty of operation, improve the curative effect of patients, significantly improve the prognosis of patients and prolong the survival time, which is worth clinical application.
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Affiliation(s)
- Haixia Zhao
- Haixia Zhao Department of General Surgery C (Breast Surgery), Binzhou People's Hospital, Shandong, 256610, China
| | - Jinying Zhang
- Jinying Zhang Department of Cardio-Thoracic Surgery B, Binzhou people's Hospital, 256603, China
| | - Yanxia Lu
- Yanxia Lu Department of Critical Care Medicine, Binzhou people's Hospital, 256603, China
| | - Jihai Jin
- Jihai Jin Department of General Surgery C (Breast Surgery), Binzhou People's Hospital, Shandong, 256610, China
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21
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Camps-Herrero J. Diffusion-weighted imaging of the breast: current status as an imaging biomarker and future role. BJR Open 2019; 1:20180049. [PMID: 33178933 PMCID: PMC7592470 DOI: 10.1259/bjro.20180049] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 02/07/2019] [Accepted: 02/12/2019] [Indexed: 12/13/2022] Open
Abstract
Diffusion-weighted imaging (DWI) of the breast is a MRI sequence that shows several advantages when compared to the dynamic contrast-enhanced sequence: it does not need intravenous contrast, it is relatively quick and easy to implement (artifacts notwithstanding). In this review, the current applications of DWI for lesion characterization and prognosis as well as for response evaluation are analyzed from the point of view of the necessary steps to become a useful surrogate of underlying biological processes (tissue architecture and cellularity): from the proof of concept, to the proof of mechanism, the proof of principle and finally the proof of effectiveness. Future applications of DWI in screening, DWI modeling and radiomics are also discussed.
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Affiliation(s)
- Julia Camps-Herrero
- Head of Radiology Department, Breast Unit. Hospital Universitario de la Ribera, Alzira, Spain
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22
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Partridge SC, Zhang Z, Newitt DC, Gibbs JE, Chenevert TL, Rosen MA, Bolan PJ, Marques HS, Romanoff J, Cimino L, Joe BN, Umphrey HR, Ojeda-Fournier H, Dogan B, Oh K, Abe H, Drukteinis JS, Esserman LJ, Hylton NM. Diffusion-weighted MRI Findings Predict Pathologic Response in Neoadjuvant Treatment of Breast Cancer: The ACRIN 6698 Multicenter Trial. Radiology 2018; 289:618-627. [PMID: 30179110 PMCID: PMC6283325 DOI: 10.1148/radiol.2018180273] [Citation(s) in RCA: 156] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 07/12/2018] [Accepted: 07/18/2018] [Indexed: 01/06/2023]
Abstract
Purpose To determine if the change in tumor apparent diffusion coefficient (ADC) at diffusion-weighted (DW) MRI is predictive of pathologic complete response (pCR) to neoadjuvant chemotherapy for breast cancer. Materials and Methods In this prospective multicenter study, 272 consecutive women with breast cancer were enrolled at 10 institutions (from August 2012 to January 2015) and were randomized to treatment with 12 weekly doses of paclitaxel (with or without an experimental agent), followed by 12 weeks of treatment with four cycles of anthracycline. Each woman underwent breast DW MRI before treatment, at early treatment (3 weeks), at midtreatment (12 weeks), and after treatment. Percentage change in tumor ADC from that before treatment (ΔADC) was measured at each time point. Performance for predicting pCR was assessed by using the area under the receiver operating characteristic curve (AUC) for the overall cohort and according to tumor hormone receptor (HR)/human epidermal growth factor receptor 2 (HER2) disease subtype. Results The final analysis included 242 patients with evaluable serial imaging data, with a mean age of 48 years ± 10 (standard deviation); 99 patients had HR-positive (hereafter, HR+)/HER2-negative (hereafter, HER2-) disease, 77 patients had HR-/HER2- disease, 42 patients had HR+/HER2+ disease, and 24 patients had HR-/HER2+ disease. Eighty (33%) of 242 patients experienced pCR. Overall, ΔADC was moderately predictive of pCR at midtreatment/12 weeks (AUC = 0.60; 95% confidence interval [CI]: 0.52, 0.68; P = .017) and after treatment (AUC = 0.61; 95% CI: 0.52, 0.69; P = .013). Across the four disease subtypes, midtreatment ΔADC was predictive only for HR+/HER2- tumors (AUC = 0.76; 95% CI: 0.62, 0.89; P < .001). In a test subset, a model combining tumor subtype and midtreatment ΔADC improved predictive performance (AUC = 0.72; 95% CI: 0.61, 0.83) over ΔADC alone (AUC = 0.57; 95% CI: 0.44, 0.70; P = .032.). Conclusion After 12 weeks of therapy, change in breast tumor apparent diffusion coefficient at MRI predicts complete pathologic response to neoadjuvant chemotherapy. © RSNA, 2018 Online supplemental material is available for this article.
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Affiliation(s)
- Savannah C. Partridge
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Zheng Zhang
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - David C. Newitt
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Jessica E. Gibbs
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Thomas L. Chenevert
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Mark A. Rosen
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Patrick J. Bolan
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Helga S. Marques
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Justin Romanoff
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Lisa Cimino
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Bonnie N. Joe
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Heidi R. Umphrey
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Haydee Ojeda-Fournier
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Basak Dogan
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Karen Oh
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Hiroyuki Abe
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Jennifer S. Drukteinis
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Laura J. Esserman
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - Nola M. Hylton
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
| | - For the ACRIN 6698 Trial Team and I-SPY 2 Trial Investigators
- From the Department of Radiology, University of Washington, 825
Eastlake Ave E, G2-600, Seattle, WA 98109 (S.C.P.); Department of Biostatistics
(Z.Z.) and Center for Statistical Sciences (Z.Z., H.S.M., J.R.), Brown
University, Providence, RI; American College of Radiology Imaging Network
(ACRIN), Reston, Va (Z.Z., H.S.M., J.R.); Department of Radiology and Biomedical
Imaging, University of California, San Francisco, San Francisco, Calif (D.C.N.,
J.E.G., B.N.J., L.J.E., N.M.H.); Department of Radiology/MRI, University of
Michigan, Ann Arbor, Mich (T.L.C.); Department of Radiology, University of
Pennsylvania, Philadelphia, Pa (M.A.R.); Department of Radiology, Center for
Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn
(P.J.B.); American College of Radiology and ECOG-ACRIN Cancer Research Group,
Reston, Va (L.C.); Department of Radiology, University of Alabama, Birmingham,
Birmingham, Ala (H.R.U.); Department of Radiology, University of California, San
Diego, San Diego, Calif (H.O.); Department of Radiology, University of Texas MD
Anderson Cancer Center, Houston, Tex and the University of Texas Southwestern
Medical Center, Dallas, Tex (B.D.); Department of Radiology, Oregon Health and
Science University, Portland, Ore (K.O.); Department of Radiology, University of
Chicago, Chicago, Ill (H.A.); and Department of Diagnostic Radiology, H. Lee
Moffitt Cancer Center and Research Institute, Tampa, Fla and Department of
Women’s Imaging, St Joseph’s Women’s Hospital, Tampa, Fla (J.S.D.)
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23
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Yuan L, Li JJ, Li CQ, Yan CG, Cheng ZL, Wu YK, Hao P, Lin BQ, Xu YK. Diffusion-weighted MR imaging of locally advanced breast carcinoma: the optimal time window of predicting the early response to neoadjuvant chemotherapy. Cancer Imaging 2018; 18:38. [PMID: 30373679 PMCID: PMC6206724 DOI: 10.1186/s40644-018-0173-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 10/16/2018] [Indexed: 02/05/2023] Open
Abstract
Background It is very difficult to predict the early response to NAC only on the basis of change in tumor size. ADC value derived from DWI promises to be a valuable parameter for evaluating the early response to treatment. This study aims to establish the optimal time window of predicting the early response to neoadjuvant chemotherapy (NAC) for different subtypes of locally advanced breast carcinoma using diffusion-weighted imaging (DWI). Methods We conducted an institutional review board-approved prospective clinical study of 142 patients with locally advanced breast carcinoma. All patients underwent conventional MR and DW examinations prior to treatment and after first, second, third, fourth, sixth and eighth cycle of NAC. The response to NAC was classified into a pathologic complete response (pCR) and a non-pCR group. DWI parameters were compared between two groups, and the optimal time window for predicting tumor response was established for each chemotherapy regimen. Results For all the genomic subtypes, there were significant differences in baseline ADC value between pCR and non-pCR group (p < 0.05). The time point prior to treatment could be considered as the ideal time point regardless of genomic subtype. In the group that started with taxanes or anthracyclines, for Luminal A or Luminal B subtype, postT1 could be used as the ideal time point during chemotherapy; for Basal-like or HER2-enriched subtype, postT2 as the ideal time point during chemotherapy. In the group that started with taxanes and anthracyclines, for HER2-enriched, Luminal B or Basal-like subtype, postT1 could be used as the ideal time point during chemotherapy; for Luminal A subtype, postT2 as the ideal time point during chemotherapy. Conclusions The time point prior to treatment can be considered as the optimal time point regardless of genomic subtype. For each chemotherapy regimen, the optimal time point during chemotherapy varies across different genomic subtypes.
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Affiliation(s)
- Li Yuan
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, #1838 Guangzhou Avenue North, Guangzhou City, 510515, Guangdong Province, China.,Department of Radiology, Hainan General Hospital, Haikou, 570311, Hainan Province, China
| | - Jian-Jun Li
- Department of Radiology, Hainan General Hospital, Haikou, 570311, Hainan Province, China
| | - Chang-Qing Li
- Department of Radiology, Hainan General Hospital, Haikou, 570311, Hainan Province, China
| | - Cheng-Gong Yan
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, #1838 Guangzhou Avenue North, Guangzhou City, 510515, Guangdong Province, China
| | - Ze-Long Cheng
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, #1838 Guangzhou Avenue North, Guangzhou City, 510515, Guangdong Province, China
| | - Yuan-Kui Wu
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, #1838 Guangzhou Avenue North, Guangzhou City, 510515, Guangdong Province, China
| | - Peng Hao
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, #1838 Guangzhou Avenue North, Guangzhou City, 510515, Guangdong Province, China
| | - Bing-Quan Lin
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, #1838 Guangzhou Avenue North, Guangzhou City, 510515, Guangdong Province, China
| | - Yi-Kai Xu
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, #1838 Guangzhou Avenue North, Guangzhou City, 510515, Guangdong Province, China.
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24
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Newitt DC, Zhang Z, Gibbs JE, Partridge SC, Chenevert TL, Rosen MA, Bolan PJ, Marques HS, Aliu S, Li W, Cimino L, Joe BN, Umphrey H, Ojeda-Fournier H, Dogan B, Oh K, Abe H, Drukteinis J, Esserman LJ, Hylton NM. Test-retest repeatability and reproducibility of ADC measures by breast DWI: Results from the ACRIN 6698 trial. J Magn Reson Imaging 2018; 49:1617-1628. [PMID: 30350329 DOI: 10.1002/jmri.26539] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 09/20/2018] [Accepted: 09/22/2018] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Quantitative diffusion-weighted imaging (DWI) MRI is a promising technique for cancer characterization and treatment monitoring. Knowledge of the reproducibility of DWI metrics in breast tumors is necessary to apply DWI as a clinical biomarker. PURPOSE To evaluate the repeatability and reproducibility of breast tumor apparent diffusion coefficient (ADC) in a multi-institution clinical trial setting, using standardized DWI protocols and quality assurance (QA) procedures. STUDY TYPE Prospective. SUBJECTS In all, 89 women from nine institutions undergoing neoadjuvant chemotherapy for invasive breast cancer. FIELD STRENGTH/SEQUENCE DWI was acquired before and after patient repositioning using a four b-value, single-shot echo-planar sequence at 1.5T or 3.0T. ASSESSMENT A QA procedure by trained operators assessed artifacts, fat suppression, and signal-to-noise ratio, and determine study analyzability. Mean tumor ADC was measured via manual segmentation of the multislice tumor region referencing DWI and contrast-enhanced images. Twenty cases were evaluated multiple times to assess intra- and interoperator variability. Segmentation similarity was assessed via the Sørenson-Dice similarity coefficient. STATISTICAL TESTS Repeatability and reproducibility were evaluated using within-subject coefficient of variation (wCV), intraclass correlation coefficient (ICC), agreement index (AI), and repeatability coefficient (RC). Correlations were measured by Pearson's correlation coefficients. RESULTS In all, 71 cases (80%) passed QA evaluation: 44 at 1.5T, 27 at 3.0T; 60 pretreatment, 11 after 3 weeks of taxane-based treatment. ADC repeatability was excellent: wCV = 4.8% (95% confidence interval [CI] 4.0, 5.7%), ICC = 0.97 (95% CI 0.95, 0.98), AI = 0.83 (95% CI 0.76, 0.87), and RC = 0.16 * 10-3 mm2 /sec (95% CI 0.13, 0.19). The results were similar across field strengths and timepoint subgroups. Reproducibility was excellent: interreader ICC = 0.92 (95% CI 0.80, 0.97) and intrareader ICC = 0.91 (95% CI 0.78, 0.96). DATA CONCLUSION Breast tumor ADC can be measured with excellent repeatability and reproducibility in a multi-institution setting using a standardized protocol and QA procedure. Improvements to DWI image quality could reduce loss of data in clinical trials. LEVEL OF EVIDENCE 2 Technical Efficacy: Stage 1 J. Magn. Reson. Imaging 2019;49:1617-1628.
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Affiliation(s)
- David C Newitt
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA
| | - Zheng Zhang
- Department of Biostatistics, Brown University, Providence, Rhode Island, USA.,Center for Statistical Sciences, Brown University, Providence, Rhode Island, USA.,American College of Radiology Imaging Network (ACRIN), Philadelphia, Pennsylvania, USA
| | - Jessica E Gibbs
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA
| | | | - Thomas L Chenevert
- Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Mark A Rosen
- Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Patrick J Bolan
- Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, Minnesota, USA
| | - Helga S Marques
- Center for Statistical Sciences, Brown University, Providence, Rhode Island, USA.,American College of Radiology Imaging Network (ACRIN), Philadelphia, Pennsylvania, USA
| | - Sheye Aliu
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA
| | - Wen Li
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA
| | - Lisa Cimino
- American College of Radiology & ECOG-ACRIN Cancer Research Group, Philadelphia, Pennsylvania, USA
| | - Bonnie N Joe
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA
| | - Heidi Umphrey
- Department of Radiology, University of Alabama, Birmingham, Alabama, USA
| | | | - Basak Dogan
- Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.,Department of Diagnostic Radiology, University of Texas Southwestern Medical Center, Houston, Texas, USA
| | - Karen Oh
- Department of Radiology, Oregon Health & Science University, Portland, Oregon, USA
| | - Hiroyuki Abe
- Department of Radiology, University of Chicago, Chicago, Illinois, USA
| | - Jennifer Drukteinis
- H. Lee Moffitt Cancer Center & Research Institute, Tampa, Florida, USA.,Department of Women's Imaging, St. Joseph's Women's Hospital, Tampa, Florida, USA
| | - Laura J Esserman
- Department of Surgery, University of California, San Francisco, California, USA
| | - Nola M Hylton
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA
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25
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Gao W, Guo N, Dong T. Diffusion-weighted imaging in monitoring the pathological response to neoadjuvant chemotherapy in patients with breast cancer: a meta-analysis. World J Surg Oncol 2018; 16:145. [PMID: 30021656 PMCID: PMC6052572 DOI: 10.1186/s12957-018-1438-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 06/26/2018] [Indexed: 01/22/2023] Open
Abstract
Background Diffusion-weighted imaging (DWI) is suggested as an non-invasive and non-radioactive imaging modality in the identification of pathological complete response (pCR) in breast cancer patients receiving neoadjuvant chemotherapy (NACT). A growing number of trials have been investigating in this aspect and some studies found a superior performance of DWI compared with conventional imaging techniques. However, the efficiency of DWI is still in dispute. This meta-analysis aims at evaluating the accuracy of DWI in the detection of pCR to NACT in patients with breast cancer. Methods Pooled sensitivity, specificity, and diagnostic odds ratio (DOR) were drawn to estimate the diagnostic effect of DWI to NACT. Summary receiver operating characteristic curve (SROC), the area under the SROC curve (AUC), and Youden index (*Q) were also calculated. The possible sources of heterogeneity among the included studies were explored using single-factor meta-regression analyses. Publication bias and quality assessment were assessed using Deek’s funnel plot and QUADAS-2 form respectively. Results Twenty studies incorporated 1490 participants were enrolled in our analysis. Pooled estimates revealed a sensitivity of 0.89 (95% CI, 0.86–0.91), a specificity of 0.72 (95% CI, 0.68–0.75), and a DOR of 27.00 (95% CI, 15.60–46.73). The AUC of SROC curve and *Q index were 0.9088 and 0.8408, respectively. The results of meta-regression analyses showed that pCR rate, time duration of study population, and study design were not the sources of heterogeneity. Conclusion A relatively high sensitivity and specificity of DWI in diagnosing pCP for patients with breast cancer underwent NACT treatment was found in our meta-analysis. This finding indicated that the use of DWI might provide an accurate and precise assessment of pCR to NACT.
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Affiliation(s)
- Wen Gao
- Department of Trauma Surgery, Tianjin Fourth Central Hospital, No.1 Zhongshan Road, Hebei District, Tianjin, 300010, China
| | - Ning Guo
- Department of Breast Surgery, Tianjin Fourth Central Hospital, No.1 Zhongshan Road, Hebei District, Tianjin, 300010, China
| | - Ting Dong
- Department of Cardiovascular Medicine, Guizhou Provincial People's Hospital, No. 83 Zhongshandong Road, Guiyang City, 550002, Guizhou, China.
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26
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Zhang D, Zhang Q, Suo S, Zhuang Z, Li L, Lu J, Hua J. Apparent diffusion coefficient measurement in luminal breast cancer: will tumour shrinkage patterns affect its efficacy of evaluating the pathological response? Clin Radiol 2018; 73:909.e7-909.e14. [PMID: 29970246 DOI: 10.1016/j.crad.2018.05.026] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 05/24/2018] [Indexed: 12/23/2022]
Abstract
AIM To determine which region of interest (ROI) placement method of apparent diffusion coefficient (ADC) measurement has the best performance for predicting pathological complete response (PCR) at two cycles of neoadjuvant chemotherapy (NAC) according to different tumour shrinkage patterns of luminal breast cancer and to assess the evaluative accuracy of ADC value combined with other clinicopathological indicators. MATERIALS AND METHODS Sixty-one patients who underwent NAC for histopathologically confirmed breast cancer were enrolled in this retrospective study. The ADC values of different shrinkage patterns (concentric shrinkage, nest or dendritic shrinkage, and mixed shrinkage) for tumours shown by diffusion-weighted imaging (DWI) were measured independently using three ROI placement methods (single-round, three-round, and freehand). Intraclass correlation coefficients (ICCs) were used to assess the interobserver variability in the ADC values. Multivariate logistic regression analysis was performed to identify the independent predictors of PCR. RESULTS The best placement method found was single-round ROI in all the patients (AUC=0.863). When analysed separately, the effectiveness results differed: the single-round method was optimal for concentrically shrinking tumours (AUC=0.970); the freehand method was optimal for nest or dendritically shrinking tumours (AUC=0.714); and the three-round method was optimal for mixed shrinking tumours (AUC=0.975). Multivariate logistic analysis showed that oestrogen receptor (ER), ΔADC% and tumour diameter reduction (ΔD%) were independent factors in evaluating the PCR. CONCLUSION The methods for measuring ADC values vary across different shrinkage patterns of luminal tumours. ΔADC%, ER and ΔD% were independent factors for evaluating the PCR.
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Affiliation(s)
- D Zhang
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd, Shanghai 200127, People's Republic of China
| | - Q Zhang
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd, Shanghai 200127, People's Republic of China
| | - S Suo
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd, Shanghai 200127, People's Republic of China
| | - Z Zhuang
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd, Shanghai 200127, People's Republic of China
| | - L Li
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd, Shanghai 200127, People's Republic of China
| | - J Lu
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd, Shanghai 200127, People's Republic of China.
| | - J Hua
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Rd, Shanghai 200127, People's Republic of China.
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27
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Thomeer MG, Vandecaveye V, Braun L, Mayer F, Franckena-Schouten M, de Boer P, Stoker J, Van Limbergen E, Buist M, Vergote I, Hunink M, van Doorn H. Evaluation of T2-W MR imaging and diffusion-weighted imaging for the early post-treatment local response assessment of patients treated conservatively for cervical cancer: a multicentre study. Eur Radiol 2018; 29:309-318. [PMID: 29943182 PMCID: PMC6291430 DOI: 10.1007/s00330-018-5510-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 03/28/2018] [Accepted: 04/20/2018] [Indexed: 01/08/2023]
Abstract
Objectives To compare MR imaging with or without DWI and clinical response evaluation (CRE) in the local control evaluation of cervical carcinoma after radiotherapy. Methods In a multicentre university setting, we prospectively included 107 patients with primary cervical cancer treated with radiotherapy. Sensitivity and specificity for CRE and MR imaging (with pre-therapy MR imaging as reference) (2 readers) were evaluated using cautious and strict criteria for identifying residual tumour. Nested logistic regression models were constructed for CRE, subsequently adding MR imaging with and without DWI as independent variables, as well as the pre- to post-treatment change in apparent diffusion coefficient (delta ADC). Results Using cautious criteria, CRE and MR imaging with DWI (reader 1/reader 2) have comparable high specificity (83% and 89%/95%, respectively), whereas MR imaging without DWI showed significantly lower specificity (63%/53%) than CRE. Using strict criteria, CRE and MR imaging with DWI both showed very high specificity (99% and 92%/95%, respectively), whereas MR imaging without DWI showed significantly lower specificity (89%/77%) than CRE. All sensitivities were not significantly different. Addition of MR imaging with DWI to CRE has statistically significant incremental value in identifying residual tumour (reader 1: estimate, 1.06; p = 0.001) (reader 2: estimate, 0.62; p = 0.02). Adding the delta ADC did not have significant incremental value in detecting residual tumour. Conclusions DWI significantly increases the specificity of MR imaging in the detection of local residual tumour. Furthermore, MR imaging with DWI has significant incremental diagnostic value over CRE, whereas adding the delta ADC has no incremental diagnostic value. Key Points • If MR imaging is used for response evaluation, DWI should be incorporated • MR imaging with DWI has diagnostic value comparable/complementary to clinical response evaluation • Inter-reader agreement is moderate to fair for two experienced radiologist readers • Quantitative measurements of ADC early post-therapy have limited diagnostic value
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Affiliation(s)
- Maarten G Thomeer
- Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands. .,Department of Radiology, Erasmus Medical Center Rotterdam, P.O Box 2040, 3015, CE, Rotterdam, The Netherlands.
| | | | - Loes Braun
- Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Frenchey Mayer
- Department of Gynecology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | | | - Peter de Boer
- Department of Radiotherapy, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Jaap Stoker
- Department of Radiology and Nuclear Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Erik Van Limbergen
- Department of Radiotherapy, University Hospitals Leuven, Leuven, Belgium
| | - Marrije Buist
- Department of Gynecology Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Ignace Vergote
- Department of Gynecology, University Hospitals Leuven, Leuven, Belgium
| | - Myriam Hunink
- Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands.,Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Helena van Doorn
- Department of Radiology, University Hospitals Leuven, Leuven, Belgium
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Panzeri MM, Losio C, Della Corte A, Venturini E, Ambrosi A, Panizza P, De Cobelli F. Prediction of Chemoresistance in Women Undergoing Neo-Adjuvant Chemotherapy for Locally Advanced Breast Cancer: Volumetric Analysis of First-Order Textural Features Extracted from Multiparametric MRI. CONTRAST MEDIA & MOLECULAR IMAGING 2018; 2018:8329041. [PMID: 29853811 PMCID: PMC5960544 DOI: 10.1155/2018/8329041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 01/18/2018] [Accepted: 02/15/2018] [Indexed: 11/17/2022]
Abstract
Purpose To assess correlations between volumetric first-order texture parameters on baseline MRI and pathological response after neoadjuvant chemotherapy (NAC) for locally advanced breast cancer (BC). Materials and Methods 69 patients with locally advanced BC candidate to neoadjuvant chemotherapy underwent MRI within 4 weeks from the start of therapeutic regimen. T2, DWI, and DCE sequences were analyzed and maps were generated for Apparent Diffusion Coefficient (ADC), T2 signal intensity, and the following dynamic parameters: k-trans, peak enhancement, area under curve (AUC), time to maximal enhancement (TME), wash-in rate, and washout rate. Volumetric analysis of these parameters was performed, yielding a histogram analysis including first-order texture kinetics (percentiles, maximum value, minimum value, range, standard deviation, mean, median, mode, skewness, and kurtosis). Finally, correlations between these values and response to NAC (evaluated on the surgical specimen according to RECIST 1.1 criteria) were assessed. Results Out of 69 tumors, 33 (47.8%) achieved complete pathological response, 26 (37.7%) partial response, and 10 (14.5%) no response. Higher levels of AUCmax (p value = 0.0338), AUCrange (p value = 0.0311), and TME75 (p value = 0.0452) and lower levels of washout10 (p value = 0.0417), washout20 (p value = 0.0138), washout25 (p value = 0.0114), and washout30 (p value = 0.05) were predictive of noncomplete response. Conclusion Histogram-derived texture analysis of MRI images allows finding quantitative parameters predictive of nonresponse to NAC in women affected by locally advanced BC.
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Affiliation(s)
- M. M. Panzeri
- Department of Radiology, Ospedale San Raffaele, Via Olgettina 60, 20132 Milan, Italy
| | - C. Losio
- Department of Radiology, Ospedale San Raffaele, Via Olgettina 60, 20132 Milan, Italy
| | - A. Della Corte
- Department of Radiology, Ospedale San Raffaele, Via Olgettina 60, 20132 Milan, Italy
| | - E. Venturini
- Department of Radiology, Ospedale San Raffaele, Via Olgettina 60, 20132 Milan, Italy
| | - A. Ambrosi
- Vita-Salute University, San Raffaele Scientific Institute, Milan, Italy
| | - P. Panizza
- Department of Radiology, Ospedale San Raffaele, Via Olgettina 60, 20132 Milan, Italy
| | - F. De Cobelli
- Department of Radiology, Ospedale San Raffaele, Via Olgettina 60, 20132 Milan, Italy
- Vita-Salute University, San Raffaele Scientific Institute, Milan, Italy
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29
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Barnes SL, Sorace AG, Whisenant JG, McIntyre JO, Kang H, Yankeelov TE. DCE- and DW-MRI as early imaging biomarkers of treatment response in a preclinical model of triple negative breast cancer. NMR IN BIOMEDICINE 2017; 30:e3799. [PMID: 28915312 DOI: 10.1002/nbm.3799] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 08/02/2017] [Accepted: 08/03/2017] [Indexed: 06/07/2023]
Abstract
This work evaluates quantitative dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) and diffusion-weighted MRI (DW-MRI) parameters as early biomarkers of response in a preclinical model of triple negative breast cancer (TNBC). The standard Tofts' model of DCE-MRI returns estimates of the volume transfer constant (Ktrans ) and the extravascular extracellular volume fraction (ve ). DW-MRI returns estimates of the apparent diffusion coefficient (ADC). Mice (n = 38) were injected subcutaneously with MDA-MB-231. Tumors were grown to approximately 275 mm3 and sorted into the following groups: saline controls, low-dose Abraxane (15 mg/kg) and high-dose Abraxane (25 mg/kg). Animals were imaged at days zero, one and three. On day three, tumors were extracted for immunohistochemistry. The positive percentage change in ADC on day one was significantly higher in both treatment groups relative to the control group (p < 0.05). In addition, the positive percentage change in Ktrans was significantly higher than controls (p < 0.05) on day one for the high-dose group and on days one and three for the low-dose group. The percentage change in tumor volume was significantly different between the high-dose and control groups on day three (p = 0.006). Histology confirmed differences at day three through reduced numbers of proliferating cells (Ki67 staining) in the high-dose group (p = 0.03) and low-dose group (p = 0.052) compared with the control group. Co-immunofluorescent staining of vascular maturity [using von Willebrand Factor (vWF) and α-smooth muscle actin (α-SMA)] indicated significantly higher vascular maturation in the low-dose group compared with the controls on day three (p = 0.03), and trending towards significance in the high-dose group compared with controls on day three (p = 0.052). These results from quantitative imaging with histological validation indicate that ADC and Ktrans have the potential to serve as early biomarkers of treatment response in murine studies of TNBC.
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Affiliation(s)
- Stephanie L Barnes
- Institute for Computational and Engineering Sciences, The University of Texas at Austin, Austin, TX, USA
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA
| | - Anna G Sorace
- Department of Diagnostic Medicine, The University of Texas at Austin, Austin, TX, USA
- Livestrong Cancer Institutes, The University of Texas at Austin, Austin, TX, USA
| | - Jennifer G Whisenant
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - J Oliver McIntyre
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Cancer Biology, Vanderbilt University, Nashville, TN, USA
| | - Hakmook Kang
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Thomas E Yankeelov
- Institute for Computational and Engineering Sciences, The University of Texas at Austin, Austin, TX, USA
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA
- Department of Diagnostic Medicine, The University of Texas at Austin, Austin, TX, USA
- Livestrong Cancer Institutes, The University of Texas at Austin, Austin, TX, USA
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Abstract
Diffusion-weighted imaging (DWI) holds promise to address some of the shortcomings of routine clinical breast magnetic resonance imaging (MRI) and to expand the capabilities of imaging in breast cancer management. DWI reflects tissue microstructure, and provides unique information to aid in characterization of breast lesions. Potential benefits under investigation include improving diagnostic accuracy and guiding treatment decisions. As a result, DWI is increasingly being incorporated into breast MRI protocols and multicenter trials are underway to validate single-institution findings and to establish clinical guidelines. Advancements in DWI acquisition and modeling approaches are helping to improve image quality and extract additional biologic information from breast DWI scans, which may extend diagnostic and prognostic value.
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Affiliation(s)
- Savannah C Partridge
- *Department of Radiology, Breast Imaging Section, Seattle Cancer Care Alliance, University of Washington, Seattle, WA †University of Massachusetts Memorial Medical Center, Worcester, MA
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31
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Sorace AG, Harvey S, Syed A, Yankeelov TE. Imaging Considerations and Interprofessional Opportunities in the Care of Breast Cancer Patients in the Neoadjuvant Setting. Semin Oncol Nurs 2017; 33:425-439. [PMID: 28927763 DOI: 10.1016/j.soncn.2017.08.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To discuss standard-of-care and emerging imaging techniques employed for screening and detection, diagnosis and staging, monitoring response to therapy, and guiding cancer treatments. DATA SOURCES Published journal articles indexed in the National Library of Medicine database and relevant websites. CONCLUSION Imaging plays a fundamental role in the care of cancer patients and specifically, breast cancer patients in the neoadjuvant setting, providing an excellent opportunity for interprofessional collaboration between oncologists, researchers, radiologists, and oncology nurses. Quantitative imaging strategies to assess cellular, molecular, and vascular characteristics within the tumor is needed to better evaluate initial diagnosis and treatment response. IMPLICATIONS FOR NURSING PRACTICE Nurses caring for patients in all settings must continue to seek education on emerging imaging techniques. Oncology nurses provide education about the test, ensure the patient has appropriate pre-testing instructions, and manage patient expectations about timing of results availability.
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Cho GY, Gennaro L, Sutton EJ, Zabor EC, Zhang Z, Giri D, Moy L, Sodickson DK, Morris EA, Sigmund EE, Thakur SB. Intravoxel incoherent motion (IVIM) histogram biomarkers for prediction of neoadjuvant treatment response in breast cancer patients. Eur J Radiol Open 2017; 4:101-107. [PMID: 28856177 PMCID: PMC5565789 DOI: 10.1016/j.ejro.2017.07.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Accepted: 07/16/2017] [Indexed: 02/08/2023] Open
Abstract
OBJECTIVE To examine the prognostic capabilities of intravoxel incoherent motion (IVIM) metrics and their ability to predict response to neoadjuvant treatment (NAT). Additionally, to observe changes in IVIM metrics between pre- and post-treatment MRI. METHODS This IRB-approved, HIPAA-compliant retrospective study observed 31 breast cancer patients (32 lesions). Patients underwent standard bilateral breast MRI along with diffusion-weighted imaging before and after NAT. Six patients underwent an additional IVIM-MRI scan 12-14 weeks after initial scan and 2 cycles of treatment. In addition to apparent diffusion coefficients (ADC) from monoexponential decay, IVIM mean values (tissue diffusivity Dt, perfusion fraction fp, and pseudodiffusivity Dp) and histogram metrics were derived using a biexponential model. An additional filter identified voxels of highly vascular tumor tissue (VTT), excluding necrotic or normal tissue. Clinical data include histology of biopsy and clinical response to treatment through RECIST assessment. Comparisons of treatment response were made using Wilcoxon rank-sum tests. RESULTS Average, kurtosis, and skewness of pseudodiffusion Dp significantly differentiated RECIST responders from nonresponders. ADC and Dt values generally increased (∼70%) and VTT% values generally decreased (∼20%) post-treatment. CONCLUSION Dp metrics showed prognostic capabilities; slow and heterogeneous pseudodiffusion offer poor prognosis. Baseline ADC/Dt parameters were not significant predictors of response. This work suggests that IVIM mean values and heterogeneity metrics may have prognostic value in the setting of breast cancer NAT.
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Affiliation(s)
- Gene Y Cho
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA.,Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York School of Medicine, New York, NY, 10016, USA.,Center for Advanced Imaging Innovation and Research (CAI2R), New York University Langone Medical Center, New York, NY, 10016, USA
| | - Lucas Gennaro
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Elizabeth J Sutton
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Emily C Zabor
- Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, NY, 10065, USA
| | - Zhigang Zhang
- Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, NY, 10065, USA
| | - Dilip Giri
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Linda Moy
- Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York School of Medicine, New York, NY, 10016, USA.,Center for Advanced Imaging Innovation and Research (CAI2R), New York University Langone Medical Center, New York, NY, 10016, USA
| | - Daniel K Sodickson
- Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York School of Medicine, New York, NY, 10016, USA.,Center for Advanced Imaging Innovation and Research (CAI2R), New York University Langone Medical Center, New York, NY, 10016, USA
| | - Elizabeth A Morris
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Eric E Sigmund
- Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York School of Medicine, New York, NY, 10016, USA.,Center for Advanced Imaging Innovation and Research (CAI2R), New York University Langone Medical Center, New York, NY, 10016, USA
| | - Sunitha B Thakur
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA.,Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
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Giannini V, Mazzetti S, Marmo A, Montemurro F, Regge D, Martincich L. A computer-aided diagnosis (CAD) scheme for pretreatment prediction of pathological response to neoadjuvant therapy using dynamic contrast-enhanced MRI texture features. Br J Radiol 2017; 90:20170269. [PMID: 28707546 DOI: 10.1259/bjr.20170269] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE To assess whether a computer-aided, diagnosis (CAD) system can predict pathological Complete Response (pCR) to neoadjuvant chemotherapy (NAC) prior to treatment using texture features. METHODS Response to treatment of 44 patients was defined according to the histopatology of resected tumour and extracted axillary nodes in two ways: (a) pCR+ (Smith's Grade = 5) vs pCR- (Smith's Grade < 5); (b) pCRN+ (pCR+ and absence of residual lymph node metastases) vs pCRN - . A CAD system was developed to: (i) segment the breasts; (ii) register the DCE-MRI sequence; (iii) detect the lesion and (iv) extract 27 3D texture features. The role of individual texture features, multiparametric models and Bayesian classifiers in predicting patients' response to NAC were evaluated. RESULTS A cross-validated Bayesian classifier fed with 6 features was able to predict pCR with a specificity of 72% and a sensitivity of 67%. Conversely, 2 features were used by the Bayesian classifier to predict pCRN, obtaining a sensitivity of 69% and a specificity of 61%. CONCLUSION A CAD scheme, that extracts texture features from an automatically segmented 3D mask of the tumour, could predict pathological response to NAC. Additional research should be performed to validate these promising results on a larger cohort of patients and using different classification strategies. Advances in knowledge: This is the first study assessing the role of an automatic CAD system in predicting the pathological response to NAC before treatment. Fully automatic methods represent the backbone of standardized analysis and may help in timely managing patients candidate to NAC.
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Affiliation(s)
- Valentina Giannini
- 1 Department of Surgical Sciences, University of Torino , Turin , Italy.,2 Department of Radiology, Candiolo Cancer Institute , Torino , Italy
| | - Simone Mazzetti
- 1 Department of Surgical Sciences, University of Torino , Turin , Italy.,2 Department of Radiology, Candiolo Cancer Institute , Torino , Italy
| | - Agnese Marmo
- 2 Department of Radiology, Candiolo Cancer Institute , Torino , Italy
| | - Filippo Montemurro
- 3 Department of Breast Cancer, Candiolo Cancer Institute , Candiolo , Italy
| | - Daniele Regge
- 1 Department of Surgical Sciences, University of Torino , Turin , Italy.,2 Department of Radiology, Candiolo Cancer Institute , Torino , Italy
| | - Laura Martincich
- 2 Department of Radiology, Candiolo Cancer Institute , Torino , Italy
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Hu XY, Li Y, Jin GQ, Lai SL, Huang XY, Su DK. Diffusion-weighted MR imaging in prediction of response to neoadjuvant chemotherapy in patients with breast cancer. Oncotarget 2017; 8:79642-79649. [PMID: 29108344 PMCID: PMC5668077 DOI: 10.18632/oncotarget.18999] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 06/18/2017] [Indexed: 01/22/2023] Open
Abstract
This study aims to evaluate the potential of apparent diffusion coefficient (ADC) derived from diffusion-weighted MR imaging for predicting the treatment response to neoadjuvant chemotherapy (NACT) in patients with breast cancer. Magnetic resonance imaging was performed prior to NACT and after two cycles of NACT. The correlation between mean ADCpre values, mean ADCpost values, changes in ADC values and changes in tumor diameters after NACT was examined using Spearman rank correlation. A total of 164 breast cancers were enrolled in this study. Mean ADCpre values of responders ([0.85 ± 0.16] × 10-3 mm2/s) and non-responders ([0.84 ± 0.21] × 10-3 mm2/s) had no significant difference (P = 0.759). While mean ADCpost value of responders was significantly higher than that of non-responders ([1.17 ± 0.37] × 10-3 mm2/s vs. [1.01 ± 0.28] × 10-3 mm2/s; P = 0.002). Both mean ADCpost values (r = 0.288, P = 0.000) and changes in mean ADC values (r = 0.222, P = 0.004) were positively correlated to changes in tumor diameter after NACT, except for mean ADCpre values (r = 0.031, P = 0.695). Our results indicated that mean ADCpost values and changes in ADC values after NACT might be a biological marker for assessing the efficacy of chemotherapy.
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Affiliation(s)
- Xue-Ying Hu
- Department of Radiology, Guangxi Medical University Affiliated Cancer Hospital, Nanning, Guangxi Zhuang Autonomous Region, China
| | - Ying Li
- Department of Radiology, Guangxi Medical University Affiliated Cancer Hospital, Nanning, Guangxi Zhuang Autonomous Region, China
| | - Guan-Qiao Jin
- Department of Radiology, Guangxi Medical University Affiliated Cancer Hospital, Nanning, Guangxi Zhuang Autonomous Region, China
| | - Shao-Lv Lai
- Department of Radiology, Guangxi Medical University Affiliated Cancer Hospital, Nanning, Guangxi Zhuang Autonomous Region, China
| | - Xiang-Yang Huang
- Department of Radiology, Guangxi Medical University Affiliated Cancer Hospital, Nanning, Guangxi Zhuang Autonomous Region, China
| | - Dan-Ke Su
- Department of Radiology, Guangxi Medical University Affiliated Cancer Hospital, Nanning, Guangxi Zhuang Autonomous Region, China
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35
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Agarwal K, Sharma U, Sah RG, Mathur S, Hari S, Seenu V, Parshad R, Jagannathan NR. Pre-operative assessment of residual disease in locally advanced breast cancer patients: A sequential study by quantitative diffusion weighted MRI as a function of therapy. Magn Reson Imaging 2017. [PMID: 28627463 DOI: 10.1016/j.mri.2017.06.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE The potential of diffusion weighted imaging (DWI) in assessing pathologic response and surgical margins in locally advanced breast cancer patients (n=38) undergoing neoadjuvant chemotherapy was investigated. METHODS DWI was performed at pre-therapy (Tp0), after I (Tp1) and III (Tp3) NACT at 1.5T. Apparent diffusion coefficient (ADC) of whole tumor (ADCWT), solid tumor (ADCST), intra-tumoral necrosis (ADCNec) was determined. Further, ADC of 6 consecutive shells (5mm thickness each) including tumor margin to outside tumor margins (OM1 to OM5) was calculated and the data analyzed to define surgical margins. RESULTS Of 38 patients, 6 were pathological complete responders (pCR), 19 partial responders (pPR) and 13 were non-responders (pNR). Significant increase was observed in ADCST and ADCWT in pCR and pPR following therapy. Pre-therapy ADC was significantly lower in pCR compared to pPR and pNR indicating the heterogeneous nature of tumor which may affect drug perfusion and consequently the response. ADC of outside margins (OM1, OM2, and OM3) was significantly different among pCR, pPR and pNR at Tp3 which may serve as response predictive parameter. Further, at Tp3, ADC of outside margins (OM1, OM2, and OM3) was significantly lower compared to that seen at Tp0 in pCR, indicating the presence of residual disease in these shells. CONCLUSION Pre-surgery information may serve as a guide to define cancer free margins and the extent of residual disease which may be useful in planning breast conservation surgery.
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Affiliation(s)
- Khushbu Agarwal
- Department of NMR & MRI Facility, All India Institute of Medical Sciences, New Delhi, Delhi 110029, India
| | - Uma Sharma
- Department of NMR & MRI Facility, All India Institute of Medical Sciences, New Delhi, Delhi 110029, India
| | - Rani G Sah
- Department of NMR & MRI Facility, All India Institute of Medical Sciences, New Delhi, Delhi 110029, India
| | - Sandeep Mathur
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, Delhi 110029, India
| | - Smriti Hari
- Department of Radio-diagnosis, All India Institute of Medical Sciences, New Delhi, Delhi 110029, India
| | - Vurthaluru Seenu
- Department of Surgical Disciplines, All India Institute of Medical Sciences, New Delhi, Delhi 110029, India
| | - Rajinder Parshad
- Department of Surgical Disciplines, All India Institute of Medical Sciences, New Delhi, Delhi 110029, India
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Diffusion weighted imaging in early prediction of neoadjuvant chemotherapy response in breast cancer. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2017. [DOI: 10.1016/j.ejrnm.2017.03.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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37
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Rauch GM, Adrada BE, Kuerer HM, van la Parra RFD, Leung JWT, Yang WT. Multimodality Imaging for Evaluating Response to Neoadjuvant Chemotherapy in Breast Cancer. AJR Am J Roentgenol 2017; 208:290-299. [DOI: 10.2214/ajr.16.17223] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Affiliation(s)
- Gaiane M. Rauch
- Department of Diagnostic Radiology, Unit 1473, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030-4009
| | - Beatriz Elena Adrada
- Department of Diagnostic Radiology, Unit 1350, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Henry Mark Kuerer
- Department of Breast Surgical Oncology, Unit 1434, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Raquel F. D. van la Parra
- Department of Breast Surgical Oncology, Unit 1434, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Jessica W. T. Leung
- Department of Diagnostic Radiology, Unit 1350, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Wei Tse Yang
- Department of Diagnostic Radiology, Unit 1459, The University of Texas MD Anderson Cancer Center, Houston, TX
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39
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Partridge SC, Nissan N, Rahbar H, Kitsch AE, Sigmund EE. Diffusion-weighted breast MRI: Clinical applications and emerging techniques. J Magn Reson Imaging 2016; 45:337-355. [PMID: 27690173 DOI: 10.1002/jmri.25479] [Citation(s) in RCA: 215] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 08/29/2016] [Indexed: 12/28/2022] Open
Abstract
Diffusion-weighted MRI (DWI) holds potential to improve the detection and biological characterization of breast cancer. DWI is increasingly being incorporated into breast MRI protocols to address some of the shortcomings of routine clinical breast MRI. Potential benefits include improved differentiation of benign and malignant breast lesions, assessment and prediction of therapeutic efficacy, and noncontrast detection of breast cancer. The breast presents a unique imaging environment with significant physiologic and inter-subject variations, as well as specific challenges to achieving reliable high quality diffusion-weighted MR images. Technical innovations are helping to overcome many of the image quality issues that have limited widespread use of DWI for breast imaging. Advanced modeling approaches to further characterize tissue perfusion, complexity, and glandular organization may expand knowledge and yield improved diagnostic tools. LEVEL OF EVIDENCE 5 J. Magn. Reson. Imaging 2016 J. Magn. Reson. Imaging 2017;45:337-355.
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Affiliation(s)
- Savannah C Partridge
- Department of Radiology, University of Washington School of Medicine, Seattle, Washington, USA.,Breast Imaging, Seattle Cancer Care Alliance, Seattle, Washington, USA
| | - Noam Nissan
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Habib Rahbar
- Department of Radiology, University of Washington School of Medicine, Seattle, Washington, USA.,Breast Imaging, Seattle Cancer Care Alliance, Seattle, Washington, USA
| | - Averi E Kitsch
- Department of Radiology, University of Washington School of Medicine, Seattle, Washington, USA.,Breast Imaging, Seattle Cancer Care Alliance, Seattle, Washington, USA
| | - Eric E Sigmund
- Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, New York, USA
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Che S, Zhao X, Ou Y, Li J, Wang M, Wu B, Zhou C. Role of the Intravoxel Incoherent Motion Diffusion Weighted Imaging in the Pre-treatment Prediction and Early Response Monitoring to Neoadjuvant Chemotherapy in Locally Advanced Breast Cancer. Medicine (Baltimore) 2016; 95:e2420. [PMID: 26825883 PMCID: PMC5291553 DOI: 10.1097/md.0000000000002420] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The aim of this study was to explore whether intravoxel incoherent motion (IVIM) diffusion-weighted imaging (DWI) can probe pre-treatment differences or monitor early response in patients with locally advanced breast cancer receiving neoadjuvant chemotherapy (NAC). Thirty-six patients with locally advanced breast cancer were imaged using multiple-b DWI with 12 b values ranging from 0 to 1000 s/mm(2) at the baseline, and 28 patients were repeatedly scanned after the second cycle of NAC. Subjects were divided into pathologic complete response (pCR) and nonpathologic complete response (non-pCR) groups according to the surgical pathologic specimen. Parameters (D, D*, f, maximum diameter [MD] and volume [V]) before and after 2 cycles of NAC and their corresponding change (Δparameter) between pCR and non-pCR groups were compared using the Student t test or nonparametric test. The diagnostic performance of different parameters was judged by the receiver-operating characteristic curve analysis. Before NAC, the f value of pCR group was significantly higher than that of non-pCR (32.40% vs 24.40%, P = 0.048). At the end of the second cycle of NAC, the D value was significantly higher and the f value was significantly lower in pCR than that in non-pCR (P = 0.001; P = 0.015, respectively), whereas the D* value and V of the pCR group was slightly lower than that of the non-pCR group (P = 0.507; P = 0.676, respectively). ΔD was higher in pCR (-0.45 × 10(-3) mm(2)/s) than that in non-pCR (-0.07 × 10(-3) mm(2)/s) after 2 cycles of NAC (P < 0.001). Δf value in the pCR group was significantly higher than that in the non-pCR group (17.30% vs 5.30%, P = 0.001). There was no significant difference in ΔD* between the pCR and non-pCR group (P = 0.456). The prediction performance of ΔD value was the highest (AUC [area under the curve] = 0.924, 95% CI [95% confidence interval] = 0.759-0.990). When the optimal cut-off was set at -0.163 × 10(-3) mm(2)/s, the values for sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were up to 100% (95% CI = 66.4-100), 73.7% (95% CI = 48.8-90.9), 64.3% (95% CI = 35.6-86.0), and 100% (95% CI = 73.2-99.3), respectively. IVIM-derived parameters, especially the D and f value, showed potential value in the pre-treatment prediction and early response monitoring to NAC in locally advanced breast cancer. ΔD value had the best prediction performance for pathologic response after NAC.
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Affiliation(s)
- Shunan Che
- From the Department of Diagnostic Radiology, Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College(SN C, XM Z, YH O, J L, CW Z); Department of Epidemiology, Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College(M W); and GE MR Research China(B W), Beijing, PR China
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