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Chung HW, Park KS, Lim I, Noh WC, Yoo YB, Nam SE, So Y, Lee EJ. PET/MRI and Novel Targets for Breast Cancer. Biomedicines 2024; 12:172. [PMID: 38255277 PMCID: PMC10813582 DOI: 10.3390/biomedicines12010172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/04/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
Breast cancer, with its global prevalence and impact on women's health, necessitates effective early detection and accurate staging for optimal patient outcomes. Traditional imaging modalities such as mammography, ultrasound, and dynamic contrast-enhanced magnetic resonance imaging (MRI) play crucial roles in local-regional assessment, while bone scintigraphy and 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) aid in evaluating distant metastasis. Despite the proven utility of 18F-FDG PET/CT in various cancers, its limitations in breast cancer, such as high false-negative rates for small and low-grade tumors, have driven exploration into novel targets for PET radiotracers, including estrogen receptor, human epidermal growth factor receptor-2, fibroblast activation protein, and hypoxia. The advent of PET/MRI, which combines metabolic PET information with high anatomical detail from MRI, has emerged as a promising tool for breast cancer diagnosis, staging, treatment response assessment, and restaging. Technical advancements including the integration of PET and MRI, considerations in patient preparation, and optimized imaging protocols contribute to the success of dedicated breast and whole-body PET/MRI. This comprehensive review offers the current technical aspects and clinical applications of PET/MRI for breast cancer. Additionally, novel targets in breast cancer for PET radiotracers beyond glucose metabolism are explored.
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Affiliation(s)
- Hyun Woo Chung
- Department of Nuclear Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea; (H.W.C.); (Y.S.)
| | - Kyoung Sik Park
- Department of Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea; (W.C.N.); (Y.B.Y.); (S.E.N.)
- Research Institute of Medical Science, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea
| | - Ilhan Lim
- Department of Nuclear Medicine, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences (KIRAMS), 75 Nowon-ro, Nowon-gu, Seoul 07812, Republic of Korea;
| | - Woo Chul Noh
- Department of Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea; (W.C.N.); (Y.B.Y.); (S.E.N.)
| | - Young Bum Yoo
- Department of Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea; (W.C.N.); (Y.B.Y.); (S.E.N.)
| | - Sang Eun Nam
- Department of Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea; (W.C.N.); (Y.B.Y.); (S.E.N.)
| | - Young So
- Department of Nuclear Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea; (H.W.C.); (Y.S.)
| | - Eun Jeong Lee
- Department of Nuclear Medicine, Seoul Medical Center, 156 Sinnae-ro, Jungnang-gu, Seoul 02053, Republic of Korea;
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Ruan D, Sun L. Diagnostic Performance of PET/MRI in Breast Cancer: A Systematic Review and Bayesian Bivariate Meta-analysis. Clin Breast Cancer 2023; 23:108-124. [PMID: 36549970 DOI: 10.1016/j.clbc.2022.11.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 11/07/2022] [Accepted: 11/26/2022] [Indexed: 12/04/2022]
Abstract
INTRODUCTION By performing a systematic review and meta-analysis, the diagnostic value of 18F-FDG PET/MRI in breast lesions, lymph nodes, and distant metastases was assessed, and the merits and demerits of PET/MRI in the application of breast cancer were comprehensively reviewed. METHODS Breast cancer-related studies using 18F-FDG PET/MRI as a diagnostic tool published before September 12, 2022 were included. The pooled sensitivity, specificity, log diagnostic odds ratio (LDOR), and area under the curve (AUC) were calculated using Bayesian bivariate meta-analysis in a lesion-based and patient-based manner. RESULTS We ultimately included 24 studies (including 1723 patients). Whether on a lesion-based or patient-based analysis, PET/MRI showed superior overall pooled sensitivity (0.95 [95% CI: 0.92-0.98] & 0.93 [95% CI: 0.88-0.98]), specificity (0.94 [95% CI: 0.90-0.97] & 0.94 [95% CI: 0.92-0.97]), LDOR (5.79 [95% CI: 4.95-6.86] & 5.64 [95% CI: 4.58-7.03]) and AUC (0.98 [95% CI: 0.94-0.99] & 0.98[95% CI: 0.92-0.99]) for diagnostic applications in breast cancer. In the specific subgroup analysis, PET/MRI had high pooled sensitivity and specificity for the diagnosis of breast lesions and distant metastatic lesions and was especially excellent for bone lesions. PET/MRI performed poorly for diagnosing axillary lymph nodes but was better than for lymph nodes at other sites (pooled sensitivity, specificity, LDOR, AUC: 0.86 vs. 0.58, 0.90 vs. 0.82, 4.09 vs. 1.98, 0.89 vs. 0.84). CONCLUSION 18F-FDG PET/MRI performed excellently in diagnosing breast lesions and distant metastases. It can be applied to the initial diagnosis of suspicious breast lesions, accurate staging of breast cancer patients, and accurate restaging of patients with suspected recurrence.
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Affiliation(s)
- Dan Ruan
- Department of Nuclear Medicine, Zhongshan Hospital (Xiamen), Fudan University, Xiamen, China
| | - Long Sun
- Department of Nuclear Medicine and Minnan PET Center, Xiamen Cancer Hospital, The First Affiliated Hospital of Xiamen University, Xiamen, China.
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Esmer AC, Tazeoğlu D, Dağ A. Comparison of Clinical, Histopathological, and Survival Outcomes of Pure and Mixed Mucinous Breast Carcinoma. Indian J Surg 2022. [DOI: 10.1007/s12262-022-03573-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Bruckmann NM, Morawitz J, Fendler WP, Ruckhäberle E, Bittner AK, Giesel FL, Herrmann K, Antoch G, Umutlu L, Kirchner J. A Role of PET/MR in Breast Cancer? Semin Nucl Med 2022; 52:611-618. [DOI: 10.1053/j.semnuclmed.2022.01.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 01/26/2022] [Indexed: 01/18/2023]
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Erdoğan EB, Aydın M. Investigation of Added Value of Imaging Performed in a Prone Position to Standard 18F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography Imaging for Staging in Patients with Breast Cancer. Mol Imaging Radionucl Ther 2022; 31:23-32. [PMID: 35114748 PMCID: PMC8814550 DOI: 10.4274/mirt.galenos.2021.48343] [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] [Indexed: 12/01/2022] Open
Abstract
Objectives: To investigate whether additional imaging in a prone position has any value to the supine whole-body 18fluorine-fluorodeoxyglucose positron emission tomography/computed tomography (PET/CT) images by comparing the visual and quantitative data about a local disease in the breast and axilla for the initial staging of breast cancer (BC). Methods: In this study, a total of 91 female patients with the BC were studied. Both the supine and prone images were examined based on the axial diameter, number and location of the primary tumor, local invasion signs of the tumor, the number of axillary lymph nodes with a suspected metastasis, metabolic parameters of the primary tumor and axillary lymph nodes, and registration artifacts of the PET and CT images were evaluated individually. These findings were compared with the histopathological data obtained after a surgery. Results: In the evaluation of a supine and prone imaging, tumor diameter and metabolic tumor volume (MTV) values of the breast lesions were greater in the supine position than in the prone position. However, there was no significant difference found between the other metabolic parameters of a primary tumor and axilla in both positions. In the supine and prone images, accuracy for skin involvement was 84% and 91.3%, respectively. Conclusion: In our study, we observed that, obtaining additional images in the prone position does not significantly benefit the evaluation of a local disease. The average values of the primary tumor diameter and MTV in the prone position appear to be smaller than the one in the supine position. However, the prone imaging in the patients with a newly diagnosed BC may be beneficial in selected patients and may contribute to preventing the false-positive results especially in patients with a suspected skin involvement.
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Affiliation(s)
- Ezgi Başak Erdoğan
- Bezmialem Vakıf University Faculty of Medicine, Department of Nuclear Medicine, İstanbul, Turkey
| | - Mehmet Aydın
- Bezmialem Vakıf University Faculty of Medicine, Department of Nuclear Medicine, İstanbul, Turkey
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Fowler AM, Strigel RM. Clinical advances in PET-MRI for breast cancer. Lancet Oncol 2022; 23:e32-e43. [PMID: 34973230 PMCID: PMC9673821 DOI: 10.1016/s1470-2045(21)00577-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/20/2021] [Accepted: 10/01/2021] [Indexed: 01/03/2023]
Abstract
Imaging is paramount for the early detection and clinical staging of breast cancer, as well as to inform management decisions and direct therapy. PET-MRI is a quantitative hybrid imaging technology that combines metabolic and functional PET data with anatomical detail and functional perfusion information from MRI. The clinical applicability of PET-MRI for breast cancer is an active area of research. In this Review, we discuss the rationale and summarise the clinical evidence for the use of PET-MRI in the diagnosis, staging, prognosis, tumour phenotyping, and assessment of treatment response in breast cancer. The continued development and approval of targeted radiopharmaceuticals, together with radiomics and automated analysis tools, will further expand the opportunity for PET-MRI to provide added value for breast cancer imaging and patient care.
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Affiliation(s)
- Amy M Fowler
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; University of Wisconsin Carbone Cancer Center, Madison, WI, USA.
| | - Roberta M Strigel
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; University of Wisconsin Carbone Cancer Center, Madison, WI, USA
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Fowler AM, Kumar M, Bancroft LH, Salem K, Johnson JM, Karow J, Perlman SB, Bradshaw TJ, Hurley SA, McMillan AB, Strigel RM. Measuring Glucose Uptake in Primary Invasive Breast Cancer Using Simultaneous Time-of-Flight Breast PET/MRI: A Method Comparison Study with Prone PET/CT. Radiol Imaging Cancer 2021; 3:e200091. [PMID: 33575660 PMCID: PMC7850238 DOI: 10.1148/rycan.2021200091] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/24/2020] [Accepted: 10/28/2020] [Indexed: 12/26/2022]
Abstract
Purpose To compare the measurement of glucose uptake in primary invasive breast cancer using simultaneous, time-of-flight breast PET/MRI with prone time-of-flight PET/CT. Materials and Methods In this prospective study, women with biopsy-proven invasive breast cancer undergoing preoperative breast MRI from 2016 to 2018 were eligible. Participants who had fasted underwent prone PET/CT of the breasts approximately 60 minutes after injection of 370 MBq (10 mCi) fluorine 18 fluorodeoxyglucose (18F-FDG) followed by prone PET/MRI using standard clinical breast MRI sequences performed simultaneously with PET acquisition. Volumes of interest were drawn for tumors and contralateral normal breast fibroglandular tissue to calculate standardized uptake values (SUVs). Spearman correlation, Wilcoxon signed ranked test, Mann-Whitney test, and Bland-Altman analyses were performed. Results Twenty-three women (mean age, 50 years; range, 33-70 years) were included. Correlation between tumor uptake values measured with PET/MRI and PET/CT was strong (r s = 0.95-0.98). No difference existed between modalities for tumor maximum SUV (SUVmax) normalized to normal breast tissue SUVmean (normSUVmax) (P = .58). The least amount of measurement bias was observed with normSUVmax, +3.86% (95% limits of agreement: -28.92, +36.64). Conclusion These results demonstrate measurement agreement between PET/CT, the current reference standard for tumor glucose uptake quantification, and simultaneous time-of-flight breast 18F-FDG PET/MRI.Keywords: Breast, Comparative Studies, PET/CT, PET/MR Supplemental material is available for this article. © RSNA, 2021See also the commentary by Mankoff and Surti in this issue.
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Affiliation(s)
- Amy M. Fowler
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Manoj Kumar
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Leah Henze Bancroft
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Kelley Salem
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Jacob M. Johnson
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | | | - Scott B. Perlman
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Tyler J. Bradshaw
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Samuel A. Hurley
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Alan B. McMillan
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
| | - Roberta M. Strigel
- From the Departments of Radiology (A.M.F., M.K., L.H.B., K.S., J.M.J., J.K., S.B.P., T.J.B., S.A.H., A.B.M., R.M.S.) and Medical Physics (A.M.F., R.M.S.), University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, Madison, WI 53792-3252; and University of Wisconsin Carbone Cancer Center, Madison, Wis (A.M.F., R.M.S.)
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Vairavan R, Abdullah O, Retnasamy PB, Sauli Z, Shahimin MM, Retnasamy V. A Brief Review on Breast Carcinoma and Deliberation on Current Non Invasive Imaging Techniques for Detection. Curr Med Imaging 2020; 15:85-121. [PMID: 31975658 DOI: 10.2174/1573405613666170912115617] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 08/27/2017] [Accepted: 08/29/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Breast carcinoma is a life threatening disease that accounts for 25.1% of all carcinoma among women worldwide. Early detection of the disease enhances the chance for survival. DISCUSSION This paper presents comprehensive report on breast carcinoma disease and its modalities available for detection and diagnosis, as it delves into the screening and detection modalities with special focus placed on the non-invasive techniques and its recent advancement work done, as well as a proposal on a novel method for the application of early breast carcinoma detection. CONCLUSION This paper aims to serve as a foundation guidance for the reader to attain bird's eye understanding on breast carcinoma disease and its current non-invasive modalities.
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Affiliation(s)
- Rajendaran Vairavan
- School of Microelectronic Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia
| | - Othman Abdullah
- Hospital Sultan Abdul Halim, 08000 Sg. Petani, Kedah, Malaysia
| | | | - Zaliman Sauli
- School of Microelectronic Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia
| | - Mukhzeer Mohamad Shahimin
- Department of Electrical and Electronic Engineering, Faculty of Engineering, National Defence University of Malaysia (UPNM), Kem Sungai Besi, 57000 Kuala Lumpur, Malaysia
| | - Vithyacharan Retnasamy
- School of Microelectronic Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia
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Advanced approaches to imaging primary breast cancer: an update. Clin Transl Imaging 2019. [DOI: 10.1007/s40336-019-00346-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Heller SL, Heacock L, Moy L. Developments in Breast Imaging: Update on New and Evolving MR Imaging and Molecular Imaging Techniques. Magn Reson Imaging Clin N Am 2018; 26:247-258. [PMID: 29622129 DOI: 10.1016/j.mric.2017.12.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This article reviews new developments in breast imaging. There is growing interest in creating a shorter, less expensive MR protocol with broader applicability. There is an increasing focus on and consideration for the additive impact that functional analysis of breast pathology have on identifying and characterizing lesions. These developments apply to MR imaging and molecular imaging. This article reviews evolving breast imaging techniques with attention to strengths, weaknesses, and applications of these approaches. We aim to give the reader familiarity with the state of current developments in the field and to increase awareness of what to expect in breast imaging.
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Affiliation(s)
- Samantha Lynn Heller
- NYU School of Medicine, NYU Laura and Isaac Perlmutter Cancer Center, 3rd Floor, New York, NY 10016, USA
| | - Laura Heacock
- NYU School of Medicine, NYU Laura and Isaac Perlmutter Cancer Center, 3rd Floor, New York, NY 10016, USA
| | - Linda Moy
- NYU School of Medicine, NYU Laura and Isaac Perlmutter Cancer Center, 3rd Floor, New York, NY 10016, USA.
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Abstract
Breast and whole-body PET/MR imaging is being used to detect local and metastatic disease and is being investigated for potential imaging biomarkers, which may eventually help personalize treatments and prognoses. This article provides an overview of breast and whole-body PET/MR exam techniques, summarizes PET and MR breast imaging for lesion detection, outlines investigations into multi-parametric breast PET/MR, looks at breast PET/MR in the setting of neo-adjuvant chemotherapy, and reviews the pros and cons of whole-body PET/MR in the setting of metastatic or suspected metastatic breast cancer.
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Affiliation(s)
- Amy Melsaether
- Department of Radiology, New York University School of Medicine, 160 East 34th Street, 3rd Floor, New York, NY 10016, USA.
| | - Linda Moy
- Department of Radiology, Center for Advanced Imaging Innovation and Research (CAI(2)R), New York University School of Medicine, 160 East 34th Street, 3rd Floor, New York, NY 10016, USA
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MRI fused with prone FDG PET/CT improves the primary tumour staging of patients with breast cancer. Eur Radiol 2016; 27:3190-3198. [PMID: 28004161 DOI: 10.1007/s00330-016-4685-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 11/03/2016] [Accepted: 11/29/2016] [Indexed: 01/08/2023]
Abstract
OBJECTIVE Our aim was to evaluate the diagnostic accuracy of magnetic resonance imaging (MRI) fused with prone 2-[fluorine-18]-fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET) in primary tumour staging of patients with breast cancer. METHODS This retrospective study evaluated 45 women with 49 pathologically proven breast carcinomas. MRI and prone PET-CT scans with time-of-flight and point-spread-function reconstruction were performed with the same dedicated breast coil. The studies were assessed by a radiologist and a nuclear medicine physician, and evaluation of fused images was made by consensus. The final diagnosis was based on pathology (90 lesions) or follow-up ≥ 24 months (17 lesions). RESULTS The study assessed 72 malignant and 35 benign lesions with a median size of 1.8 cm (range 0.3-8.4 cm): 31 focal, nine multifocal and nine multicentric cases. In lesion-by-lesion analysis, sensitivity, specificity, positive and negative predictive values were 97%, 80%, 91% and 93% for MRI, 96%, 71%, 87%, and 89% for prone PET, and 97%. 94%, 97% and 94% for MRI fused with PET. Areas under the curve (AUC) were 0.953, 0.850, and 0.983, respectively (p < 0.01). CONCLUSIONS MRI fused with FDG-PET is more accurate than FDG-PET in primary tumour staging of breast cancer patients and increases the specificity of MRI. KEY POINTS • FDG PET-CT may improve the specificity of MRI in breast cancer staging. • MRI fused with prone 2-[fluorine-18]-fluoro-2-deoxy-D-glucose PET-CT has better overall diagnostic performance than MRI. • The clinical role of fused PET-MRI has not yet been established.
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MRI Features of Mucinous Cancer of the Breast: Correlation With Pathologic Findings and Other Imaging Methods. AJR Am J Roentgenol 2016; 206:238-46. [DOI: 10.2214/ajr.15.14851] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Variations in (18)F-FDG uptake in breast cancer depending on PET/CT acquisition position. Clin Radiol 2015; 71:86-91. [PMID: 26646369 DOI: 10.1016/j.crad.2015.10.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 10/18/2015] [Accepted: 10/28/2015] [Indexed: 11/21/2022]
Abstract
AIM To evaluate the variability of quantitative 2-[(18)F]-fluoro-2-deoxy-d-glucose (FDG) positron-emission tomography (PET) combined with computed tomography (CT) parameters depending on acquisition position in a dual-position protocol for breast cancers. MATERIALS AND METHODS For initial staging work-up, whole-body PET/CT was first acquired in a supine position, and then followed by a regional breast scan in a prone position. The maximum standardised uptake value (SUVmax), metabolic tumour volume (MTV), and total lesion glycolysis (TLG) were measured on both acquisition positions. MTV50 and TLG50 were calculated with a threshold set to be 50% of SUVmax, and MTV2.5 and TLG2.5 with a fixed SUV threshold of 2.5. RESULTS The median SUVmax of breast cancers measured on the supine scans was 4.88, and 4.49 on the prone images (p<0.05). MTV and TLG also yielded significantly lower values from supine images. Regarding the tendency for the acquisition position to yield different results, a significant disagreement was observed between SUVmax and MTV50 and between SUVmax and TLG50 (kappa = -0156 and -0.001, respectively), while MTV2.5 and TLG2.5 showed a fair to moderate agreement with SUVmax (kappa = 0.311 and 0.416, respectively). CONCLUSIONS SUVmax, MTV, and TLG yielded lower values when acquired in the prone position compared to in the supine position. This observation could be due to the partial volume effect. When using 50% of SUVmax as a threshold, there was a significant discordance between SUVmax and volumetric parameters. Thus, acquisition position may affect quantitative PET/CT parameters and the clinical implications.
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Clinical utility of 18F-FDG-PET/MR for preoperative breast cancer staging. Eur Radiol 2015; 26:2297-307. [DOI: 10.1007/s00330-015-4054-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 09/28/2015] [Accepted: 10/01/2015] [Indexed: 02/08/2023]
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An YS, Kang DK, Jung YS, Han S, Kim TH. Tumor metabolism and perfusion ratio assessed by 18F-FDG PET/CT and DCE-MRI in breast cancer patients: Correlation with tumor subtype and histologic prognostic factors. Eur J Radiol 2015; 84:1365-70. [DOI: 10.1016/j.ejrad.2015.03.026] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Accepted: 03/23/2015] [Indexed: 12/11/2022]
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Bitencourt AGV, Lima ENP, Chojniak R, Marques EF, Souza JA, Andrade WP, Guimarães MD. Multiparametric evaluation of breast lesions using PET-MRI: initial results and future perspectives. Medicine (Baltimore) 2014; 93:e115. [PMID: 25396329 PMCID: PMC4616313 DOI: 10.1097/md.0000000000000115] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The purpose of this study was to evaluate the diagnostic accuracy of multiparametric evaluation of breast lesions combining information of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI), diffusion-weighted imaging (DWI), and F-fluoro-deoxi-glucose (F-FDG) positron emission tomography/computed tomography (PET-CT). After approval of the institutional research ethics committee, 31 patients with suspicious breast lesions on MRI performed F-FDG PET-CT with a specific protocol for breast evaluation. Patients' mean age was 47.8 years (range, 29-77 years). Positron emission tomography and magnetic resonance imaging (PET-MRI) images were fused. A lesion was considered positive on multiparametric evaluation if at least 1 of the following was present: washout/type 3 kinetic curve on DCE-MRI, restricted diffusion on DWI with minimum apparent diffusion coefficient value <1.00 × 10 mm/s, and abnormal metabolism on F-FDG PET-CT (higher than the physiologic uptake of the normal breast parenchyma). Thirty-eight lesions with histologic correlation were evaluated on the 31 included patients, being 32 mass lesions (84.2%), and 6 nonmass lesions (15.8%). Lesions' mean diameter was 31.1 mm (range, 8-94 mm). Multiparametric evaluation provided 100% sensitivity, 55.5% specificity, 87.9% positive predictive value, 100% negative predictive value, and 89.5% accuracy, with 29 true-positives results, 5 true-negatives, 4 false-positives, and no false-negative results. Multiparametric evaluation with PET-MRI functional data showed good diagnostic accuracy to differentiate benign from malignant breast lesions, reducing the number of unnecessary biopsies, without missing any diagnosis of cancer in our case series.
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Affiliation(s)
- Almir G V Bitencourt
- Department of Imaging (AGVB, ENPL, RC, EFM, JAS, MDG); and Department of Mastology (WPA), A.C. Camargo Cancer Center, São Paulo, SP, Brazil
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