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de Jong D, Desperito E, Al Feghali KA, Dercle L, Seban RD, Das JP, Ma H, Sajan A, Braumuller B, Prendergast C, Liou C, Deng A, Roa T, Yeh R, Girard A, Salvatore MM, Capaccione KM. Advances in PET/CT Imaging for Breast Cancer. J Clin Med 2023; 12:4537. [PMID: 37445572 PMCID: PMC10342839 DOI: 10.3390/jcm12134537] [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: 05/27/2023] [Revised: 06/26/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
One out of eight women will be affected by breast cancer during her lifetime. Imaging plays a key role in breast cancer detection and management, providing physicians with information about tumor location, heterogeneity, and dissemination. In this review, we describe the latest advances in PET/CT imaging of breast cancer, including novel applications of 18F-FDG PET/CT and the development and testing of new agents for primary and metastatic breast tumor imaging and therapy. Ultimately, these radiopharmaceuticals may guide personalized approaches to optimize treatment based on the patient's specific tumor profile, and may become a new standard of care. In addition, they may enhance the assessment of treatment efficacy and lead to improved outcomes for patients with a breast cancer diagnosis.
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Affiliation(s)
- Dorine de Jong
- Center for Cell Engineering, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA;
| | - Elise Desperito
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
| | | | - Laurent Dercle
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
| | - Romain-David Seban
- Department of Nuclear Medicine and Endocrine Oncology, Institut Curie, 92210 Saint-Cloud, France;
- Laboratory of Translational Imaging in Oncology, Paris Sciences et Lettres (PSL) Research University, Institut Curie, 91401 Orsay, France
| | - Jeeban P. Das
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; (J.P.D.); (R.Y.)
| | - Hong Ma
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
| | - Abin Sajan
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
| | - Brian Braumuller
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
| | - Conor Prendergast
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
| | - Connie Liou
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
| | - Aileen Deng
- Department of Hematology and Oncology, Novant Health, 170 Medical Park Road, Mooresville, NC 28117, USA;
| | - Tina Roa
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
| | - Randy Yeh
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; (J.P.D.); (R.Y.)
| | - Antoine Girard
- Department of Nuclear Medicine, Centre Eugène Marquis, Université Rennes 1, 35000 Rennes, France;
| | - Mary M. Salvatore
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
| | - Kathleen M. Capaccione
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA; (E.D.); (L.D.); (H.M.); (A.S.); (B.B.); (C.P.); (C.L.); (T.R.); (M.M.S.)
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Park HL, Lee SW, Hong JH, Lee J, Lee A, Kwon SJ, Park SY, Yoo IR. Prognostic impact of 18F-FDG PET/CT in pathologic stage II invasive ductal carcinoma of the breast: re-illuminating the value of PET/CT in intermediate-risk breast cancer. Cancer Imaging 2023; 23:2. [PMID: 36600314 DOI: 10.1186/s40644-022-00519-6] [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: 10/23/2022] [Accepted: 12/28/2022] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND The aim of this study is to investigate the impact of 18F-FDG PET/CT on prognosis of stage II invasive ductal carcinoma (IDC) of the breast primarily treated with surgery. METHODS The clinical records of 297 consecutive IDC with preoperative PET/CT and pathologically staged II in surgery from 2013 to 2017 were retrospectively reviewed. The maximum standardized uptake value (SUVmax), peak standardized uptake value (SUVpeak), tumor-to-liver ratio (TLR), and metabolic tumor volume (MTV) were measured. Association of clinicopathologic factors (age, T stage, N stage, AJCC pathologic stage of IIA or IIB, pathologic prognostic stage, grade, hormonal receptor status, HER2 status, Ki-67, and adjuvant therapy) and PET parameters with DFS was assessed using the Cox proportional hazards model. RESULTS There were 35 recurrences and 10 deaths at a median follow-up of 49 months (range 0.8 ~ 87.3). All PET parameters were significantly associated with DFS in univariate analysis but in multivariate analysis, SUVpeak was the only factor significantly associated with DFS (hazard ratio 2.58, 95% confidence interval 1.29-5.15, P = 0.007). In cohorts with higher values of SUVpeak or TLR, patients who received adjuvant chemotherapy had significantly superior DFS. CONCLUSION Metabolic parameters derived from preoperative PET/CT was significantly associated with recurrence in stage II IDC primarily treated with surgery. PET/CT can be a powerful prognostic tool in conjunction with novel staging systems and current biomarkers for patients undergoing contemporary therapy. Our results urge to reconsider the currently underestimated value of PET/CT confined to diagnostic aspect and to newly recognize its prognostic impact in these intermediate-risk breast cancer.
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Affiliation(s)
- Hye Lim Park
- Division of Nuclear Medicine, Department of Radiology, Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Sea-Won Lee
- Department of Radiation Oncology, Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Ji Hyung Hong
- Division of Medical Oncology, Department of Internal Medicine, Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Jieun Lee
- Division of Medical Oncology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Ahwon Lee
- Department of Hospital Pathology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Soo Jin Kwon
- Division of Nuclear Medicine, Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Sonya Youngju Park
- Division of Nuclear Medicine, Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Ie Ryung Yoo
- Division of Nuclear Medicine, Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
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Radiological predictive factors on preoperative multimodality imaging are related to Oncotype DX recurrence score in estrogen-positive/human epidermal growth factor receptor 2-negative invasive breast cancer: a cross-sectional study. Ann Nucl Med 2022; 36:853-864. [PMID: 35819628 DOI: 10.1007/s12149-022-01767-z] [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: 02/16/2022] [Accepted: 06/13/2022] [Indexed: 11/01/2022]
Abstract
OBJECTIVE The Oncotype DX (ODX) estimates the 10-year risk of metastasis or recurrence of breast cancer and indicates whether chemotherapy is likely to be effective; however, the high cost of this test may limit its use for patients. The aim of this study was to evaluate the potential of preoperative imaging using mammography (MMG), ultrasonography (US), and dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI), and positron emission tomography/computed tomography (PET/CT) metabolic parameters in predicting the ODX recurrence score (ODXRS), which prognosticates estrogen receptor-positive (ER +)/human epidermal growth factor receptor 2-negative (HER2-) breast cancer. METHODS This retrospective study was conducted on 51 patients with ER+/ HER2- early-stage breast cancer with preoperative images available. Surgical specimens were sent for ODX assay and the ODXRS was categorized as low (<18) or intermediate/high (≥18). MMG/US findings were classified according to BI-RADS categories. For MRI analysis, tumor growth orientation was evaluated in addition to morphological assessment in BI-RADS. For PET/CT analysis, standardized uptake value (SUV) of the tumor were measured. Patient, tumor, and image characteristics were compared between the two groups, and predictors of the low ODXRS group were determined by logistic regression analysis. Two-sided P values less than 0.05 were considered statistically significant. RESULTS Thirty-two (63%) and 19 (37%) patients were categorized as low and intermediate/high ODXRS, respectively. On univariate analysis, nuclear grade, tumor margin, and tumor growth orientation on MRI, and SUVmax on PET/CT were significantly associated with a low ODXRS. Multivariate analysis revealed that tumor growth orientation perpendicular to the Cooper's ligament on MRI (P = 0.031) and a low SUVmax on PET/CT (P = 0.016) were independent prognostic factors for a low ODXRS. As a predictor of low ODXRS, the receiver operating characteristic (ROC) analysis of the SUVmax showed that using 3.0 as the optimal cut-off value has a sensitivity and specificity of 94.4% and 73.0%, respectively, with an area under the curve (AUC) of 0.923. CONCLUSIONS The combination of perpendicular tumor growth orientation to Cooper's ligaments on MRI and a low SUVmax on PET/CT may predict a low ODXRS.
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Gao Y, Yuan L, Zeng J, Li F, Li X, Tan F, Liu X, Wan H, Kui X, Liu X, Ke C, Pei Z. eIF6 is potential diagnostic and prognostic biomarker that associated with 18F-FDG PET/CT features and immune signatures in esophageal carcinoma. Lab Invest 2022; 20:303. [PMID: 35794622 PMCID: PMC9258187 DOI: 10.1186/s12967-022-03503-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 06/24/2022] [Indexed: 11/25/2022]
Abstract
Background Although eukaryotic initiation factor 6 (eIF6) is a novel therapeutic target, data on its importance in the development of esophageal carcinoma (ESCA) remains limited. This study evaluated the correlation between eIF6 expression and metabolic analysis using fluorine-18 fluorodeoxyglucose (18F-FDG) -Positron emission tomography (PET) and immune gene signatures in ESCA. Methods This study employed The Cancer Genome Atlas (TCGA) to analyze the expression and prognostic value of eIF6, as well as its relationship with the immune gene signatures in ESCA patients. The qRT-PCR and Western blot analyses were used to profile the expression of eIF6 in ESCA tissues and different ESCA cell lines. The expression of tumor eIF6 and glucose transporter 1 (GLUT1) was examined using immunohistochemical tools in fifty-two ESCA patients undergoing routine 18F-FDG PET/CT before surgery. In addition, the cellular responses to eIF6 knockdown in human ESCA cells were assessed via the MTS, EdU, flow cytometry and wound healing assays. Results Our data demonstrated that compared with the normal esophageal tissues, eIF6 expression was upregulated in ESCA tumor tissues and showed a high diagnostic value with an area under curve of 0.825 for predicting ESCA. High eIF6 expression was significantly correlated with shorter overall survival of patients with esophagus adenocarcinoma (p = 0.038), but not in squamous cell carcinoma of the esophagus (p = 0.078). In addition, tumor eIF6 was significantly associated with 18F-FDG PET/CT parameters: maximal and mean standardized uptake values (SUVmax and SUVmean) and total lesion glycolysis (TLG) (rho = 0.458, 0.460, and 0.300, respectively, p < 0.01) as well as GLUT1 expression (rho = 0.453, p < 0.001). A SUVmax cutoff of 18.2 led to prediction of tumor eIF6 expression with an accuracy of 0.755. Functional analysis studies demonstrated that knockdown of eIF6 inhibited ESCA cell growth and migration, and fueled cell apoptosis. Moreover, the Bulk RNA gene analysis revealed a significant inverse association between eIF6 and the tumor-infiltrating immune cells (macrophages, T cells, or Th1 cells) and immunomodulators in the ESCA microenvironment. Conclusion Our study suggested that eIF6 might serve as a potential prognostic biomarker associated with metabolic variability and immune gene signatures in ESCA tumor microenvironment.
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Seban RD, Rouzier R, Latouche A, Deleval N, Guinebretiere JM, Buvat I, Bidard FC, Champion L. Total metabolic tumor volume and spleen metabolism on baseline [18F]-FDG PET/CT as independent prognostic biomarkers of recurrence in resected breast cancer. Eur J Nucl Med Mol Imaging 2021; 48:3560-3570. [PMID: 33774685 DOI: 10.1007/s00259-021-05322-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 03/16/2021] [Indexed: 12/13/2022]
Abstract
PURPOSE We evaluated whether biomarkers on baseline [18F]-FDG PET/CT are associated with recurrence after surgery in patients with invasive breast cancer of no special type (NST). METHODS In this retrospective single-center study, we included consecutive patients with non-metastatic breast cancer of NST who underwent [18F]-FDG PET/CT before treatment, including surgery, between 2011 and 2016. Clinicopathological data were collected. Tumor SUVmax, total metabolic tumor volume (TMTV), and spleen- and bone marrow-to-liver SUVmax ratios (SLR, BLR) were measured from the PET images. Cut-off values were determined using predictiveness curves to predict 5-year recurrence-free survival (5y-RFS). A multivariable prediction model was developed using Cox regression. The association with stromal tumor-infiltrating lymphocytes (TILs) levels (low if <50%) was studied by logistic regression. RESULTS Three hundred and three women were eligible, including 93 (31%) with triple-negative breast carcinoma. After a median follow-up of 6.2 years, 56 and 35 patients experienced recurrence and death, respectively. The 5y-RFS rate was 86%. In multivariable analyses, high TMTV (>20 cm3) and high SLR (>0.76) were associated with shorter 5y-RFS (HR 2.4, 95%CI 1.3-4.5, and HR 1.9, 95%CI 1.0-3.6). In logistic regression, high SLR was the only independent factor associated with low stromal TILs (OR 2.8, 95%CI 1.4-5.7). CONCLUSION High total metabolic tumor volume and high spleen glucose metabolism on baseline [18F]-FDG PET/CT were associated with poor 5y-RFS after surgical resection in patients with breast cancer of NST. Spleen metabolism was inversely correlated with stromal TILs and might be a surrogate for an immunosuppressive tumor microenvironment.
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Affiliation(s)
- Romain-David Seban
- Department of Nuclear Medicine, Institut Curie, 92210, Saint-Cloud, France. .,Laboratoire d'Imagerie Translationnelle en Oncologie, Inserm U1288, PSL Research University, Institut Curie, 91400, Orsay, France.
| | - Roman Rouzier
- Department of Surgery, Institut Curie, PSL Research University, 75005 Paris &, 92210, Saint-Cloud, France
| | - Aurelien Latouche
- Bioinformatics and Computational Systems Biology of Cancer, PSL Research University, Mines Paris Tech, INSERM U900, 75005, Paris, France.,Conservatoire national des arts et métiers, Paris, France
| | - Nicolas Deleval
- Department of Nuclear Medicine, Institut Curie, 92210, Saint-Cloud, France
| | | | - Irene Buvat
- Laboratoire d'Imagerie Translationnelle en Oncologie, Inserm U1288, PSL Research University, Institut Curie, 91400, Orsay, France
| | - Francois-Clement Bidard
- Department of Medical Oncology, Institut Curie, PSL Research University, 75005 Paris &, 92210, Saint-Cloud, France.,Circulating Tumor Biomarkers Laboratory, SiRIC, Institut Curie, PSL Research University, Paris, France
| | - Laurence Champion
- Department of Nuclear Medicine, Institut Curie, 92210, Saint-Cloud, France.,Laboratoire d'Imagerie Translationnelle en Oncologie, Inserm U1288, PSL Research University, Institut Curie, 91400, Orsay, France
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Association between Oncotype DX recurrence score and dynamic contrast-enhanced MRI features in patients with estrogen receptor-positive HER2-negative invasive breast cancer. Clin Imaging 2021; 75:131-137. [PMID: 33548871 DOI: 10.1016/j.clinimag.2021.01.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 01/06/2021] [Accepted: 01/17/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND Oncotype DX is a multigene assay used in breast cancer, and the result provided as a 'recurrence score (RS)' corresponds to the risk of a cancer recurrence and the chemotherapeutic benefit in estrogen receptor (ER)-positive human epidermal growth factor receptor (HER)2-negative invasive breast cancer. However, its accessibility is limited. PURPOSE To evaluate whether magnetic resonance imaging (MRI) could be used to predict Oncotype DX RS in patients with ER-positive HER2-negative invasive breast cancer. MATERIAL AND METHODS We enrolled 473 patients with ER-positive HER2-negative invasive breast cancer who underwent a preoperative MRI and Oncotype DX assay between January 2015 and December 2018. The MRI was reviewed and associations between Oncotype DX RS values were evaluated. Logistic regression analysis was used to identify independent predictors of high and low RS. RESULTS Of the 485 cancers, 288 (59.4%) had low (<18), 155 (31.9%) had intermediate (18-30), and 42 (8.7%) had high (≥31) RS. Multiple logistic regression analysis revealed that a round shape (odds ratio [OR] = 2.554, P = 0.089) and low proportion of washout component (OR = 1.011, P = 0.014) were associated with low RS and that heterogeneously dense (OR = 3.205, P = 0.007) or scattered fibroglandular (OR = 3.776, P = 0.005) breast tissue, a non-spiculated margin (OR = 5.435, P = 0.007), and low proportion of persistent component (OR = 1.012, P = 0.036) were associated with high RS. CONCLUSION MRI features showed the potential for the discrimination of Oncotype DX RS in patients with ER-positive HER2-negative invasive breast cancer.
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Harmonized pretreatment quantitative volume-based FDG-PET/CT parameters for prognosis of stage I-III breast cancer: Multicenter study. Oncotarget 2021; 12:95-105. [PMID: 33520114 PMCID: PMC7825640 DOI: 10.18632/oncotarget.27851] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 12/11/2020] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVES This study investigated harmonized pretreatment volume-based quantitative FDG-PET/CT parameters in breast cancer patients for prognostic value. RESULTS During a median overall follow-up period of 5.3 years, 91 patients had recurrence and 40 died. Multivariate analysis of ER-positive/HER2-negative patients showed high maximum standardized uptake value (SUVmax) (p = 0.018), high total lesion glycolysis (TLG) (p = 0.010), and clinical N-classification (p = 0.0027) as independent negative predictors of RFS, while high maximum SUVmax (p = 0.037), advanced clinical T-classification (p = 0.030), and advanced TNM stage (p = 0.0067) were independent negative predictors of OS. For recurrence and death in HER2-positive patients, high total TLG (p = 0.037, p = 0.0048, respectively) and advanced TNM stage (p = 0.048, p = 0.046, respectively) were independent prediction factors. In the triple-negative group, independent factors related to recurrence and death were high maximum SUVmax (p = 0.0014, p = 0.0003, respectively) and advanced TNM stage (p < 0.0001, p < 0.0001, respectively). MATERIALS AND METHODS Records of 546 stage I-III invasive breast cancer patients, including 344 estrogen receptor (ER)-positive/human epidermal growth factor receptor 2 (HER2)-negative, 110 HER2-positive, and 92 triple-negative cases, treated at four institutions were reviewed retrospectively. Harmonized primary tumor and nodal maximum SUVmax, metabolic tumor volume (MTV), and TLG indicated in pretreatment FDG-PET/CT results were analyzed. Evaluations of relationships of clinicopathological factors, volume-based quantitative parameters, recurrence-free survival (RFS), and overall survival (OS) for each subtype were performed with a Cox proportional hazards model and log-rank test. CONCLUSIONS The results indicated that potential surrogate markers for prognosis in patients with the three main subtypes of operable breast cancer include harmonized pretreatment quantitative volume-based FDG-PET/CT parameters, particularly whole-lesion SUVmax and TLG.
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The Prognostic Value of 18F-FDG Uptake in the Supraclavicular Lymph Node (N3c) on PET/CT in Patients With Locally Advanced Breast Cancer With Clinical N3c. Clin Nucl Med 2018; 44:e6-e12. [PMID: 30540598 DOI: 10.1097/rlu.0000000000002365] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
PURPOSE We investigated the prognostic value of F-FDG uptake in the supraclavicular lymph node (SCLN) on PET/CT in breast cancer patients with clinical ipsilateral SCLN metastasis (cN3c). METHODS Fifty-five female patients with initial F-FDG PET/CT were treated with curative intent. For semiquantitative analysis, the SUVmax of the primary tumor, axillary lymph node, and SCLN were normalized by the SUVmean of the liver (defined as SUVR-tumor, SUVR-axillary lymph node, and SUVR-SCLN, respectively). Cox proportional hazards models were used to predict disease-free survival (DFS) and overall survival (OS). Differences in DFS and OS were assessed by Kaplan-Meier analysis. RESULTS Twenty-three patients (41.8%) experienced recurrence, and 13 (23.6%) died during follow-up (median, 70.0 months; range, 6-128 months). In multivariate analysis, SUVR-tumor greater than 3.26 (hazards ratio, 7.26; 95% confidence interval, 1.58-33.31; P = 0.01) and SUVR-SCLN greater than 1.05 (hazards ratio, 8.47; 95% confidence interval, 1.09-65.87; P = 0.04) were prognostic for OS. No clinicopathologic or PET/CT parameters were prognostic for DFS. The patients were divided into 3 groups: group 1 (n = 11, SUVR-tumor ≤3.26 and SUVR-SCLN ≤1.05); group 2 (n = 27, SUVR-tumor >3.26 or SUVR-SCLN >1.05); and group 3 (n = 17, SUVR-tumor >3.26 and SUVR-SCLN >1.05). The 5-year OS rates were 100% in group 1, 85.2% in group 2, and 51.0% in group 3. Group 3 showed worse prognosis than group 1 (P < 0.01) and group 2 (P < 0.01). CONCLUSIONS In addition to SUVR-tumor, SUVR-SCLN seemed to play an important role in selecting patients with the worst prognosis.
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Is (18)FDG uptake useful to decide on chemotherapy in ER+/HER2- breast cancer? Eur J Nucl Med Mol Imaging 2017; 43:1571-3. [PMID: 27245758 DOI: 10.1007/s00259-016-3430-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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