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Turhan N, Memişoğlu E, Kökten ŞÇ, Güzel NT, Zarbaliyev E. Better Local Disease Control With Mastectomy in Metaplastic Breast Carcinoma: Findings of a Retrospective Cohort. Cureus 2024; 16:e61517. [PMID: 38957239 PMCID: PMC11217912 DOI: 10.7759/cureus.61517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/01/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND Metaplastic breast cancer (MBC) is a rare type of breast carcinoma with clinicopathological differences. The prognosis and treatment strategies for MBC are usually conflicting. In this study, we aim to present the clinicopathologic features, treatment strategies, and prognosis of our MBC patients. MATERIAL AND METHODS In our retrospective study, 18 metaplastic breast cancer patients treated in our institution between January 2005 and December 2022 were evaluated. Demographic and clinicopathological characteristics, surgical and systemic treatment options, locoregional recurrences, distant metastases, and overall survival (OS) of the MBC patients were retrieved from the patient files. RESULTS All patients were female; the median age was 54.42 ± 12.37 years. Most of the patients (n = 15, 83.33%) presented with palpable masses. Tumors were mostly triple-negative, with a high grade and a high Ki‑67 proliferation index. Spindle cell carcinoma and MBC with mesenchymal differentiation were the most common subtypes. Most of the patients underwent mastectomy (n = 11, 61.11%); breast-conserving surgery (BCS) was performed on seven (38,88%) patients. Lymph node positivity was detected in six of 18 patients (33.33%). Fewer patients (n = 4, 22.22%) received neoadjuvant chemotherapy. While local recurrence developed in two out of seven patients (28.57%) who underwent BCS, there was no local recurrence in patients who had mastectomy. The OS time varied according to tumor size and the presence of lymph node metastases (p <0.001; p = 0.005). CONCLUSION Metaplastic breast cancer is genetically heterogeneous and resistant to conventional treatment strategies. Mastectomy is still the surgical treatment method that is performed more frequently and provides better local control for patients with metaplastic breast cancer.
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Affiliation(s)
- Nihan Turhan
- General Surgery, Martyr Prof. Dr. İlhan Varank Sancaktepe Training and Research Hospital, Istanbul, TUR
| | - Ecem Memişoğlu
- General Surgery, Kartal Dr. Lutfi Kırdar City Hospital, Istanbul, TUR
| | | | - Nalan Turan Güzel
- Pathology, Martyr Prof. Dr. İlhan Varank Sancaktepe Training and Research Hospital, Istanbul, TUR
| | - Elbrus Zarbaliyev
- General Surgery, Istanbul Yeni Yuzyıl University, Gaziosmanpasa Hospital, Istanbul, TUR
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2
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Püsküllüoğlu M, Swiderska K, Konieczna A, Streb J, Grela-Wojewoda A, Rudzinska A, Dobrzańska J, Pacholczak-Madej R, Mucha-Malecka A, Kunkiel M, Mitus JW, Jarząb M, Ziobro M. Clinical analysis of metaplastic breast carcinoma with distant metastases: A multi‑centre experience. Oncol Lett 2024; 27:198. [PMID: 38516685 PMCID: PMC10955678 DOI: 10.3892/ol.2024.14331] [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: 12/20/2023] [Accepted: 02/09/2024] [Indexed: 03/23/2024] Open
Abstract
Metaplastic breast cancer (BC-Mp), which includes a range of epithelial and mixed epithelial-mesenchymal tumours, are rare malignancies with an unfavourable prognosis. The limited literature on BC-Mp focuses mainly on retrospective data for radically treated patients. Notably absent are studies dedicated to the palliative treatment of BC-Mp with distant metastases. The present retrospective study investigated treatment modalities and prognosis in a multi-centre cohort of 31 female participants diagnosed with distant metastatic BC-Mp, including 7 patients with de novo metastatic disease. The median age of the patients was 61 years (range, 33-87 years), with 38.7% presenting local lymph node involvement. Lungs were the most common site for the metastatic disease (61.3%). Median Ki-67 index was 50% (range, 35-70%), and 80.7% of cases were classified as grade 3. Human epidermal growth factor receptor 2 (HER2)+ and estrogen receptor+ were detected in 12.9 and 6.5% of cases, respectively. A total of 62.4% of patients received first-line palliative systemic treatment. The 1- and 2-year overall survival (OS) were 38.5 and 19.2%, respectively. Receiving ≥1 line of palliative treatment was significantly associated with improved OS (P<0.001). Factors such as age, Ki-67 index, HER2 or hormonal status, presence of specific epithelial or mesenchymal components, location of metastases or chemotherapy regimen type did not influence OS. The present study provided insights into the clinicopathological profile, systemic treatment experience, prognostic factors and OS data of BC-Mp with distant metastases, emphasizing the imperative for clinical trials in this population.
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Affiliation(s)
- Mirosława Püsküllüoğlu
- Department of Clinical Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, Krakow Branch, 31-115 Krakow, Poland
| | - Katarzyna Swiderska
- Breast Cancer Unit, Maria Skłodowska-Curie National Research Institute of Oncology, Gliwice Branch, 44-102 Gliwice, Poland
| | - Aleksandra Konieczna
- Department of Breast Cancer and Reconstructive Surgery, Maria Sklodowska-Curie National Research Institute of Oncology in Warsaw, 02-781 Warsaw, Poland
| | - Joanna Streb
- Department of Oncology, Jagiellonian University Medical College, 31-008 Krakow, Poland
- Department of Oncology, University Hospital, 30-688 Krakow, Poland
| | - Aleksandra Grela-Wojewoda
- Department of Clinical Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, Krakow Branch, 31-115 Krakow, Poland
| | - Agnieszka Rudzinska
- Department of Clinical Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, Krakow Branch, 31-115 Krakow, Poland
| | | | - Renata Pacholczak-Madej
- Department of Anatomy, Jagiellonian University Medical College, 31-008 Krakow, Poland
- Department of Gynaecological Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, Krakow Branch, 31-115 Krakow, Poland
- Department of Chemotherapy, The District Hospital, 34-200 Sucha Beskidzka, Poland
| | - Anna Mucha-Malecka
- Department of Radiotherapy, Maria Sklodowska-Curie National Research Institute of Oncology, Krakow Branch, 31-115 Krakow, Poland
| | - Michał Kunkiel
- Department of Breast Cancer and Reconstructive Surgery, Maria Sklodowska-Curie National Research Institute of Oncology in Warsaw, 02-781 Warsaw, Poland
| | - Jerzy W. Mitus
- Department of Anatomy, Jagiellonian University Medical College, 31-008 Krakow, Poland
- Department of Surgical Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, Krakow Branch, 31-115 Krakow, Poland
| | - Michał Jarząb
- Breast Cancer Unit, Maria Skłodowska-Curie National Research Institute of Oncology, Gliwice Branch, 44-102 Gliwice, Poland
| | - Marek Ziobro
- Department of Clinical Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, Krakow Branch, 31-115 Krakow, Poland
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3
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Wang S, Lou J, Zou Q, Jiang Y, Wang S, Shi H. Metaplastic Carcinoma of the Breast: MRI Features with Clinical and Histopathologic Correlation. Acad Radiol 2023; 30:1786-1793. [PMID: 36137916 DOI: 10.1016/j.acra.2022.08.026] [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] [Received: 03/14/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 11/20/2022]
Abstract
RATIONALE AND OBJECTIVES Metaplastic carcinoma of the breast (MCB) is a rare type of breast carcinoma, and there are only limited data about the MRI findings of MCB. This article aimed to review the MRI features of MCB and correlate the MRI findings with clinical and histopathologic characteristics. MATERIALS AND METHODS A total of 23 patients were enrolled from a signal institution. The clinical data, histological diagnosis and MRI findings were retrospectively reviewed. RESULTS The average age of the 23 patients was 51.6 years. Twenty-one (91.3%) patients presented with a palpable mass. Squamous cell carcinoma was the most common subtype (10/23, 43.5%). Axillary lymph node metastasis was detected in 4 (17.4%) patients. The immunohistochemical profile showed the estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor-2 (Her-2) expression were negative in 87.0%, 95.7%, and 91.3% of the patients respectively. On MRI, most cases exhibited an irregular mass (18/23, 78.3%) with high signal intensity on T2-weighted images (22/23,95.7%), non-circumscribed margin (19/23, 82.6%), heterogeneous enhancement (13/23, 56.5%), Type III (12/23, 52.2%) time intensity curve, and diffusion restriction (20/23, 87.0%) on diffusion weighted images (DWI). CONCLUSION MCB most commonly demonstrated definitely malignant MRI features, which may reflect the histopathologic characteristic of this rare and aggressive breast carcinoma.
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Affiliation(s)
- Siqi Wang
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jianjuan Lou
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qigui Zou
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yanni Jiang
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Shouju Wang
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Haibin Shi
- Department of Interventional Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
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Alhaidary AA, Arabi H, Elessawy M, Alkushi A. Metaplastic breast carcinoma: an overview of the radio-pathologic features in retrospective cohort tertiary hospital. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2022. [DOI: 10.1186/s43055-022-00761-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Metaplastic breast carcinoma (MBC) is a rare type of breast carcinoma. It accounts for 0.2–1% of all invasive breast carcinoma. The aim of this study is to investigate the radiological features of this tumor and correlate them with the pathological findings.
Results
Of the 22 patients with pathology-proven metaplastic cancers, 18 patients (81.82%) presented with a palpable mass. The majority of the mammogram findings were masses with irregular shapes (n = 12, 63.16%) and indistinct margins (n = 11, 57.89%). Similarly, the majority of the ultrasound studies showed masses with irregular shapes (n = 16, 72.73%) and indistinct margins (n = 8, 36.36%). Most of the echopatterns were complex or with heterogeneous textures, each presented in eight cases (36.36%). More than half of the cases had a posterior acoustic enhancement (n = 12, 54.55%). Most of the cases tested negative for estrogen receptors, progesterone receptors and HER2 protein, and they were high-grade tumors with a high proliferative index (Ki-67%) of > 15%.
Conclusion
MBC is a rare and distinct aggressive breast cancer with no definite characteristic imaging compared to other breast cancer. It shows a mass with irregular shape and indistinct margins in both mammogram and ultrasound. Additionally, it reveals posterior acoustic enhancement and rarely contains microcalcifications. The correlation with the pathological findings is crucial for the diagnosis and subsequent appropriate treatment.
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5
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Tejera Hernández AA, Vega Benítez VM, Pavcovich Ruiz M, Hernández Hernández JR. Metaplastic carcinoma of the breast with squamous differentiation: prognostic factors and multidisciplinary treatment. World J Surg Oncol 2022; 20:187. [PMID: 35676703 PMCID: PMC9178843 DOI: 10.1186/s12957-022-02656-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 03/19/2022] [Indexed: 01/17/2023] Open
Abstract
Background The objective of this study was to analyze the characteristics of patients diagnosed with metaplastic carcinoma of the breast with squamous differentiation and to identify the particular clinical and histological characteristics that need to be taken into account in this type of tumors. Case presentation Retrospective observational study of two patients managed at our hospital between 2014 and 2020 (15 months mean follow-up), plus all cases published in the last 7 years (8 patients). Thus, a total of 10 cases were analyzed, all with less than 2 years mean global survival. Studied variables were: age, medical background, tumor size, axillary involvement, radiological characteristics, surgical approach, complementary treatments, histologic characteristics, and progression of the disease. In 50% of cases, the disease appeared as a palpable mass of rapid growth, associated with axillary infiltration; 80% of the tumors were triple negative; 30% of them progressed to distant metastatic disease in 30%. Conclusions This unusual carcinoma requires a complex multidisciplinary treatment. Its prognosis is unfavorable due to its high local aggressiveness, with rapid progression and appearance of metastatic disease. The predominance of different histological components may determine the response to medical treatments.
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Affiliation(s)
- Ana Alicia Tejera Hernández
- Faculty of Health Sciences, University of Las Palmas de Gran Canaria, Las Palmas, Spain. .,General Surgery Department, Complejo Hospitalario Universitario Insular Materno-Infantil, Las Palmas, Spain.
| | - Víctor Manuel Vega Benítez
- Faculty of Health Sciences, University of Las Palmas de Gran Canaria, Las Palmas, Spain.,General Surgery Department, Complejo Hospitalario Universitario Insular Materno-Infantil, Las Palmas, Spain
| | - Marta Pavcovich Ruiz
- Faculty of Health Sciences, University of Las Palmas de Gran Canaria, Las Palmas, Spain.,Department of Pathology, Complejo Hospitalario Universitario Insular Materno-Infantil, Las Palmas, Spain
| | - Juan Ramón Hernández Hernández
- Faculty of Health Sciences, University of Las Palmas de Gran Canaria, Las Palmas, Spain.,General Surgery Department, Complejo Hospitalario Universitario Insular Materno-Infantil, Las Palmas, Spain
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6
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Hu J, Tan J, Dong F, Zhang X, Ming J, Huang T. The Effect of Post-Mastectomy Radiotherapy in Patients With Metaplastic Breast Cancer: A Propensity Score-Matched Analysis of the SEER Database. Front Oncol 2022; 11:593121. [PMID: 35096554 PMCID: PMC8789670 DOI: 10.3389/fonc.2021.593121] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 12/20/2021] [Indexed: 12/01/2022] Open
Abstract
Background Metaplastic breast cancer (MBC) is a rare tumor with aggressive biological behavior. This study aimed to evaluate the efficacy of post-mastectomy radiotherapy (PMRT) on patients with low-risk (T1N0M0), intermediate-risk (T1-2N1M0 and T3N0M0), and high-risk (T1-4N2-3M0 and T4N0-1M0) MBC via propensity-score matching (PSM). Methods We analyzed information from the Surveillance, Epidemiology, and End Results (SEER) public-use database from 1975 to 2016 for MBC incidence trends and compared overall survival (OS) and breast cancer-specific survival (BCSS) between groups of MBC women diagnosed from 2001 to 2016 using Kaplan–Meier analysis and the multivariate Cox proportional model. PSM was used to make 1:1 case–control matching. Results Joinpoint analyses identified 1984 and 2003 as the inflection points among 4,672 patients. 1,588 (42.4%) of the 3,748 patients diagnosed with MBC between 2001 and 2016 received PMRT. According to multivariate analyses, PMRT provided better OS (p < 0.001) and BCSS (p < 0.001) before PSM, and better prognosis after PSM (n = 2528) for patients receiving PMRT (n = 1264) compared to those without PMRT (OS, p < 0.001 and BCSS, p < 0.001). When stratifying the case–control matching patients into low-risk, intermediate-risk, and high-risk groups, PMRT could improve BCSS compared with that in non-PMRT patients in the high-risk groups; it also improved OS in both the intermediate- and high-risk groups. Conclusions Per findings of the PSM analysis, PMRT could provide better BCSS in high-risk groups, and better OS in intermediate- and high-risk groups.
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Affiliation(s)
- Jin Hu
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Tan
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fang Dong
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ximeng Zhang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Ming
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tao Huang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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7
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Usui Y, Matsunuma R, Yamaguchi K, Hayami R, Muramatsu A, Suzuki M, Tsuneizumi M. Pathological Complete Response to Neoadjuvant Chemotherapy in a Patient with HER2-Positive Squamous Cell Carcinoma of the Breast. Case Rep Oncol 2021; 14:1536-1541. [PMID: 34899248 PMCID: PMC8613576 DOI: 10.1159/000519746] [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: 09/05/2021] [Accepted: 09/19/2021] [Indexed: 11/30/2022] Open
Abstract
Squamous cell carcinoma (SCC) of the breast is a rare malignancy that usually has a triple-negative phenotype and poor clinical outcomes. Because HER2-positive SCC of the breast is extremely rare, its clinicopathologic features are understudied, and the effects of neoadjuvant chemotherapy including anti-HER2-targeted therapy on the tumor are unclear, although treatment resistance was described in some reports. In this study, we reported a case of HER2-positive SCC of the breast in which a pathological complete response to neoadjuvant chemotherapy was observed.
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Affiliation(s)
- Yuki Usui
- Department of Breast Surgery, Shizuoka Prefectural Hospital Organization, Shizuoka General Hospital, Shizuoka, Japan
| | - Ryoichi Matsunuma
- Department of Breast Surgery, Shizuoka Prefectural Hospital Organization, Shizuoka General Hospital, Shizuoka, Japan
| | - Kei Yamaguchi
- Department of Breast Surgery, Shizuoka Prefectural Hospital Organization, Shizuoka General Hospital, Shizuoka, Japan
| | - Ryosuke Hayami
- Department of Breast Surgery, Shizuoka Prefectural Hospital Organization, Shizuoka General Hospital, Shizuoka, Japan
| | - Aya Muramatsu
- Department of Pathology, Shizuoka Prefectural Hospital Organization, Shizuoka General Hospital, Shizuoka, Japan
| | - Makoto Suzuki
- Department of Pathology, Shizuoka Prefectural Hospital Organization, Shizuoka General Hospital, Shizuoka, Japan
| | - Michiko Tsuneizumi
- Department of Breast Surgery, Shizuoka Prefectural Hospital Organization, Shizuoka General Hospital, Shizuoka, Japan
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8
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9
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Sae-Kho TM, Bhatt A, Solanki MH, Jeans EB, Corbin KS, Fazzio RT, Glazebrook KN. Imaging features of adenosquamous carcinoma of the breast – A rare variant of metaplastic breast carcinoma. BJR Case Rep 2021; 7:20210108. [PMID: 35300231 PMCID: PMC8906157 DOI: 10.1259/bjrcr.20210108] [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: 05/25/2021] [Revised: 07/07/2021] [Accepted: 07/25/2021] [Indexed: 11/05/2022] Open
Abstract
Adenosquamous carcinoma of the breast is a rare subtype of metaplastic carcinoma, which accounts for <1% of invasive breast malignancy. Metaplastic carcinoma is usually high grade and aggressive with typically reported benign imaging features when compared to invasive ductal carcinoma. However, the adenosquamous variant is a subtype with a more favorable prognosis. Within the literature, there is limited imaging description with case studies focusing on metaplastic carcinoma. Herein, we report seven cases of the adenosquamous subtype describing the imaging findings with correlation to clinical history and pathology. The majority of patients (n = 6) presented with palpable breast masses. One patient was identified through screening mammography. Mammographically (n = 6), tumors appeared as irregular masses. Sonographically (n = 7), tumors appeared as irregular masses ranging from solid to mixed solid/cystic masses. On MRI (n = 1), one tumor appeared as an irregular rim enhancing mass. FDG PET/CT (n = 2) and whole-body bone scan (n = 1) were also available for review. The majority of tumors were low-grade (n = 6) with only one high-grade tumor. This case series of seven patients demonstrated predominantly suspicious imaging features despite the majority being low-grade tumors.
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10
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Ishizuka Y, Horimoto Y, Yanagisawa N, Arakawa A, Nakai K, Saito M. Clinicopathological Examination of Metaplastic Spindle Cell Carcinoma of the Breast: Case Series. BREAST CANCER-BASIC AND CLINICAL RESEARCH 2021; 15:11782234211039433. [PMID: 34413650 PMCID: PMC8369969 DOI: 10.1177/11782234211039433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 07/24/2021] [Indexed: 11/16/2022]
Abstract
Background: Spindle cell carcinoma (SpCC) of the breast is a rare histological type, a subtype of metaplastic carcinoma characterized by atypical spindle cell and epithelial carcinoma. The proportions of the spindle cell and epithelial components vary among tumours. Due to its rarity, biological characteristics of this disease have been poorly studied. Methods: In total, 10 patients with SpCC were surgically treated at our institution from January 2007 to December 2018. We retrospectively investigated these SpCC cases, focusing on the differences between spindle cell and epithelial components. Microsatellite status was also examined. Results: Nine cases were triple-negative breast cancer (TNBC). The rates of high tumour grade were 70% in spindle cell components and 56% in epithelial components (P = .65), while the mean Ki67 labelling index were 63% and 58%, respectively (P = .71). Mean programmed death ligand 1 (PD-L1) expression in these components was 11% and 1%, respectively (P = .20). All 10 tumours were microsatellite stable. Patient outcomes of triple-negative SpCC did not differ from those of propensity-matched patients with conventional TNBC. Conclusions: Spindle cell components showed higher values in factors examined, although there was no statistically significant difference. Our data reveal that these 2 components of SpCC may be of different biological nature.
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Affiliation(s)
- Yumiko Ishizuka
- Department of Breast Oncology, Juntendo University, School of Medicine, Tokyo, Japan
| | - Yoshiya Horimoto
- Department of Breast Oncology, Juntendo University, School of Medicine, Tokyo, Japan.,Department of Human Pathology, Juntendo University, School of Medicine, Tokyo, Japan
| | | | - Atsushi Arakawa
- Department of Human Pathology, Juntendo University, School of Medicine, Tokyo, Japan
| | - Katsuya Nakai
- Department of Breast Oncology, Juntendo University, School of Medicine, Tokyo, Japan
| | - Mitsue Saito
- Department of Breast Oncology, Juntendo University, School of Medicine, Tokyo, Japan
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11
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Gortman A, Aherne NJ, Westhuyzen J, Amalaseelan JV, Dwyer PM, Hoffmann M, Last AT, Shakespeare TP. Metaplastic carcinoma of the breast: Clinicopathological features and treatment outcomes with long-term follow up. Mol Clin Oncol 2021; 15:178. [PMID: 34276997 DOI: 10.3892/mco.2021.2340] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 02/15/2021] [Indexed: 12/24/2022] Open
Abstract
Metaplastic breast carcinoma is an uncommon subtype of invasive ductal carcinoma with a tendency towards poorer clinical outcomes. Following ethical approval, the current study reviewed the institutional records of ~2,500 women with breast cancer. A total of 14 cases of metaplastic breast cancer were reviewed for management and treatment outcomes. The results demonstrated that patients had median follow up of 30 months, a 5-year disease-free survival of 57.1% and 5-year overall survival of 57.1%. The majority of patients had at least T2 disease and all tumours were high grade. Additionally, most patients were triple negative and nodal metastases were uncommon. Metaplastic breast cancer is an aggressive variant of invasive breast cancer. Most patients can be treated with breast conservation and survival parameters tend to be worse than more common breast cancer subtypes.
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Affiliation(s)
- Aron Gortman
- Department of Radiation Oncology, Mid North Coast Cancer Institute, Coffs Harbour, New South Wales 2450, Australia
| | - Noel J Aherne
- Department of Radiation Oncology, Mid North Coast Cancer Institute, Coffs Harbour, New South Wales 2450, Australia.,Rural Clinical School, Faculty of Medicine, University of New South Wales, New South Wales 2450, Australia.,School of Health and Human Sciences, Southern Cross University, Coffs Harbour, New South Wales 2450, Australia
| | - Justin Westhuyzen
- Department of Radiation Oncology, Mid North Coast Cancer Institute, Coffs Harbour, New South Wales 2450, Australia
| | - Julan V Amalaseelan
- Department of Radiation Oncology, North Coast Cancer Institute, Lismore, New South Wales 2480, Australia
| | - Patrick M Dwyer
- Department of Radiation Oncology, North Coast Cancer Institute, Lismore, New South Wales 2480, Australia
| | - Matthew Hoffmann
- Department of Radiation Oncology, Mid North Coast Cancer Institute, Port Macquarie, New South Wales 2444, Australia
| | - Andrew T Last
- Department of Radiation Oncology, Mid North Coast Cancer Institute, Port Macquarie, New South Wales 2444, Australia
| | - Thomas P Shakespeare
- Department of Radiation Oncology, Mid North Coast Cancer Institute, Coffs Harbour, New South Wales 2450, Australia.,Rural Clinical School, Faculty of Medicine, University of New South Wales, New South Wales 2450, Australia
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12
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Mao J, Hu J, Zhang Y, Shen J, Dong F, Zhang X, Ming J, Huang T, Run X. Single Hormone Receptor-Positive Metaplastic Breast Cancer: Similar Outcome as Triple-Negative Subtype. Front Endocrinol (Lausanne) 2021; 12:628939. [PMID: 33972826 PMCID: PMC8105402 DOI: 10.3389/fendo.2021.628939] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 03/31/2021] [Indexed: 11/13/2022] Open
Abstract
Background Metaplastic breast cancer (MBC) is a rare and aggressive subtype of the breast. To understand the characteristics and prognosis of single hormone receptor-positive (HR+) MBC (estrogen receptor-positive [ER+]/progesterone receptor-negative [PR-] and ER-/PR+), we compared these tumors to double HR+ tumors as well as HR- tumors. Patients and Methods The Surveillance, Epidemiology, and End Results database was used to analyze MBC between 1975 and 2016. The effect of HR status was evaluated using a multivariate Cox regression model. Results We included 3369 patients with a median follow-up time of 42 months (range 0-322 months). In this study, 280 (8.3%) cases were double HR+ tumors, 2597 (77.1%) were double HR- tumors, and 492 (14.6%) cases were single HR+ tumors, of which 159 (4.7%) cases were ER-/PR+ tumors and 333 (9.9%) were ER+/PR- tumors. On multivariate Cox analysis, the prognosis was related to age, race/ethnicity, tumor grade, TNM stage, and surgery. HR status remained no impact on breast cancer-specific survival (BCSS). In the Kaplan-Meier curve, HR status was not associated with better BCSS or overall survival (OS). In patients without HER2 overexpression, the BCSS and OS of ER+/PR- and ER-/PR+ tumors were not significantly different from that of ER-/PR- and ER+/PR+ tumors. The difference remains no significant in patients with HER2 overexpression. Conclusions In comparison with both ER-/PR- and ER+/PR+ tumors, we have identified clinically and biologically distinct features of single HR+ tumors. In patients with or without HER2 overexpression, the prognosis of single HR+ tumors was similar to ER-/PR- and ER+/PR+ tumors.
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Affiliation(s)
- Jinqian Mao
- Department of Vascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jin Hu
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanting Zhang
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jian Shen
- Department of Pancreatic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fang Dong
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ximeng Zhang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Ming
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tao Huang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoqin Run
- Department of Vascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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13
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Abstract
PURPOSE OF REVIEW Breast cancer is a collection of diseases including the more common invasive ductal and lobular carcinomas and rarer subtypes of breast cancer. This review summarizes the features of rare breast cancers. RECENT FINDINGS Each of the rare tumors has defined pathological and clinical features that impact treatment recommendations. In this review, we summarize these for each rare type of breast cancer and where available we include molecular features of each tumor. Rare subtypes of breast cancer each have unique features. In many cases, data is limited for the optimal treatment approaches.
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Affiliation(s)
- Sarah Jenkins
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, 20892, USA
- Medical Oncology Service, Center for Cancer Research, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Megan E Kachur
- Pathology Department, Walter Reed National Military Medical Center, Bethesda, MD, 20889, USA
| | - Kamil Rechache
- Medical Oncology Service, Center for Cancer Research, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Justin M Wells
- Pathology Department, Walter Reed National Military Medical Center, Bethesda, MD, 20889, USA.
| | - Stanley Lipkowitz
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, 20892, USA.
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14
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Hu J, Zhang H, Dong F, Zhang X, Wang S, Ming J, Huang T. Metaplastic breast cancer: Treatment and prognosis by molecular subtype. Transl Oncol 2021; 14:101054. [PMID: 33677236 PMCID: PMC8079171 DOI: 10.1016/j.tranon.2021.101054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 02/22/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Metaplastic breast cancer (MBC) is a rare and aggressive subtype of breast. However, the effect of molecular subtype on treatment and prognosis of MBC remains unclear. PATIENTS AND METHODS The Surveillance, Epidemiology, and End Results database was used to analyze patients with MBC between 2010 and 2016. Molecular subtype was stratified to TN group (ER and PR-/HER2-), HER2 group (ER and PR-/HER2+, ER/PR+ and HER2+), and HR group (ER/PR+ and HER2-). The breast cancer-specific survival (BCSS) differences were estimated using multivariate Cox regression model and Kaplan-Meier curves. RESULTS We included 1665 patients with median follow-up time of 27 months (range 0-83 months). 1154 (69.3%), 65 (3.9%), and 446 (26.8%) patients presented in TN group, HER2 group, and HR group, respectively. On multivariate Cox analysis, the prognosis was related to age, tumor size, regional node metastasis, and surgery. Molecular subtype remained no impact on BCSS. Radiotherapy (RT) was associated with better prognosis. Patients cannot benefit from chemotherapy. In Kaplan-Meier curve, triple-negative (P = 0.047) and HR-positive (P = 0.006) patients receiving RT had a superior BCSS than that not RT. HER2-positive patients cannot benefit from RT. However, adjusted Kaplan-Meier survival model showed that triple-negative (P = 0.019) but not HER2-positive (P = 0.575) or HR-positive (P = 0.574) patients receiving RT had a superior BCSS than that not RT. CONCLUSIONS Molecular subtype is not associated with the better prognosis of MBC. Patients could benefit from RT. However, triple-negative but not HR-positive or HER2-positive patients have superior survival after receiving RT.
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Affiliation(s)
- Jin Hu
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Huiqiong Zhang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Fang Dong
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Ximeng Zhang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Shuntao Wang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jie Ming
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Tao Huang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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15
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Mayer C, Zilker M, Balint-Lahat N, Weitzen R, Barzilai A, Barshack I, Weidenfeld J. Unusual variant of invasive ductal carcinoma suggesting metaplastic melanocytic differentiation. HUMAN PATHOLOGY: CASE REPORTS 2021. [DOI: 10.1016/j.ehpc.2021.200482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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16
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Gadaleta-Caldarola G, Nenna R, Lanotte L, Doronzo A, Gadaleta-Caldarola A, Roma ID, Lombardi L, Infusino S. Metaplastic breast cancer: an old histotype but a current therapeutic problem. Future Oncol 2021; 17:955-963. [PMID: 33538176 DOI: 10.2217/fon-2020-0490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Metaplastic breast cancer (MPBC) is a rare and aggressive tumor type in great need of satisfactory therapies. Although most cases of MPBC are 'triple negative', they are nonetheless related to worse outcomes compared with other triple-negative invasive tumors. MPBC presents high levels of genetic and molecular heterogeneity, suggesting that novel targeted therapies can be exploited. Overexpression of PD-L1 and high levels of tumor-infiltrating lymphocytes have also been observed in these tumors, suggesting a role for immunotherapy. We present an updated literature revision on clinical, histopathological and molecular features of MPBC and their significance to prognosis and therapy options. We discuss emerging efforts to improve and personalize prognostic and therapeutic approaches, exploiting the molecular signature of MPBC with targeted therapies and immunotherapies.
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Affiliation(s)
| | - Rosanna Nenna
- Anatomic Patology Unit, "L. Bonomo" Hospital, Andria (BT), ASL BT, 76123, Italy
| | - Laura Lanotte
- Medical Oncology Unit, "Mons. R. Dimiccoli" Hospital, Barletta (BT), ASL BT, 76121, Italy
| | - Antonio Doronzo
- Medical Oncology Unit, Azienda Ospedaliero-Universitaria "Ospedali Riuniti", Foggia, 71100, Italy
| | | | - Ileana de Roma
- Medical Oncology Unit, "Mons. R. Dimiccoli" Hospital, Barletta (BT), ASL BT, 76121, Italy
| | - Lucia Lombardi
- Medical Oncology Unit, "Mons. R. Dimiccoli" Hospital, Barletta (BT), ASL BT, 76121, Italy
| | - Stefania Infusino
- Medical Oncology Unit, "SS. Annunziata" Hospital, Cosenza (CS), Azienda Ospedaliera di Cosenza, 87100, Italy
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17
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Youssef I, Lee A, Kukunoor S, Taiwo E, Luhrs CA, Schreiber D. Patterns of Care and Survival of Metastatic Metaplastic Breast Cancer Patients. Cureus 2020; 12:e10339. [PMID: 33150115 PMCID: PMC7605212 DOI: 10.7759/cureus.10339] [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: 11/16/2022] Open
Abstract
Background: Metaplastic breast cancer (MBC) is a rare, aggressive variant of breast cancer, usually triple negative disease and chemotherapy refractory. Despite this, the standard of care remains the same as invasive ductal breast cancer. We sought to analyze patterns of care and outcomes among patients with metastatic MBC. Methods: Patients over 18 years diagnosed with metastatic MBC from 2004-2015 were identified in the National Cancer Database (NCDB). Clinical and demographic details were compared between two groups (chemotherapy vs no chemotherapy). Logistic regression was performed to assess for predictors of receiving chemotherapy. The Kaplan-Meier method was used to assess overall survival (OS) and Cox regression analysis was used to assess the impact of covariates on OS. Results: There were 7,580 patients with MBC of which 417 (5.5%) presented with metastatic disease. Median age was 65 years (interquartile range (IQR) 54-76) and median follow up for living patients was 48 months (IQR 31-77). One hundred and fifty-six (37.4%) patients received chemotherapy. On multivariable logistic regression analyses, treatment at an academic facility was associated with an increased likelihood of receiving chemotherapy (OR 3.14, 95% CI 1.95-5.03, p<0.001) while age ≥65 years (OR 0.54, 95% CI 0.34-0.86, p=0.009) and receipt of hormonal therapy (OR 0.35, 95% CI 0.15-0.85, p=0.021) were associated with a decreased likelihood of receiving chemotherapy. On multivariable Cox regression analysis, higher Charlson-Deyo score (hazard ratio (HR) 1.35-1.78, p<0.05) was associated with worse survival while receipt of chemotherapy (HR 0.76, 95% CI 0.59-0.99, p=0.041) and having insurance (HR 0.34-0.47, p<0.05) were associated with improved survival. Patients who received chemotherapy had improved median (twelve versus eight months), one-year (51% versus 38%), and two-year (35% versus 21%) OS, as compared to those who did not receive chemotherapy (p=0.006). Conclusions: In this study of MBC patients, there was a survival benefit with palliative chemotherapy in the setting of metastatic disease. As expected, treatment was most often given to younger patients.
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Affiliation(s)
- Irini Youssef
- Medical Oncology, State University of New York (SUNY) Downstate Medical Center, Brooklyn, USA
| | - Anna Lee
- Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Sparsha Kukunoor
- Medical Oncology, State University of New York (SUNY) Downstate Medical Center, Brooklyn, USA
| | - Evelyn Taiwo
- Hematology and Oncology, New York-Presbyterian Brooklyn Methodist Hospital, Brooklyn, USA
| | - Carol A Luhrs
- Medical Oncology, State University of New York (SUNY) Downstate Medical Center/New York Harbor Healthcare System, Brooklyn, USA
| | - David Schreiber
- Radiation Oncology, Summit Medical Group, Berkeley Heights, USA
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18
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González-Martínez S, Pérez-Mies B, Carretero-Barrio I, Palacios-Berraquero ML, Perez-García J, Cortés J, Palacios J. Molecular Features of Metaplastic Breast Carcinoma: An Infrequent Subtype of Triple Negative Breast Carcinoma. Cancers (Basel) 2020; 12:cancers12071832. [PMID: 32650408 PMCID: PMC7408634 DOI: 10.3390/cancers12071832] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/01/2020] [Accepted: 07/04/2020] [Indexed: 12/12/2022] Open
Abstract
Metaplastic breast carcinoma (MBC) is a heterogeneous group of infrequent invasive carcinomas that display differentiation of the neoplastic epithelium towards squamous cells and/or mesenchymal-type elements. Most MBC have a triple negative phenotype and poor prognosis. Thus, MBC have worse survival rates than other invasive breast carcinomas, including other triple negative breast carcinomas (TNBC). In this study, we reviewed the molecular features of MBC, pointing out the differences among subtypes. The most frequently mutated genes in MBC were TP53 and PIK3CA. Additionally, mutations in the other genes of the PI3K/AKT pathway indicated its importance in the pathogenesis of MBC. Regarding copy number variations (CNVs), MYC was the most frequently amplified gene, and the most frequent gene loss affected the CDKN2A/CDKN2B locus. Furthermore, the pattern of mutations and CNVs of MBC differed from those reported in other TNBC. However, the molecular profile of MBC was not homogeneous among histological subtypes, being the alterations in the PI3K pathway most frequent in spindle cell carcinomas. Transcriptomic studies have demonstrated an epithelial to mesenchymal program activation and the enrichment of stemness genes in most MBC. In addition, current studies are attempting to define the immune microenvironment of these tumors. In conclusion, due to specific molecular features, MBC have a different clinical behavior from other types of TNBC, being more resistant to standard chemotherapy. For this reason, new therapeutic approaches based on tumor molecular characteristics are needed to treat MBC.
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Affiliation(s)
| | - Belén Pérez-Mies
- Pathology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (B.P.-M.); (I.C.-B.)
- Instituto Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
- CIBER-ONC, Instituto de Salud Carlos III, 28029 Madrid, Spain
- Faculty of Medicine, University of Alcalá de Henares, Alcalá de Henares, 28801 Madrid, Spain
- Breast Pathology Unit, Hospital Universitario Ramón y Cajal, 28801 Madrid, Spain
| | - Irene Carretero-Barrio
- Pathology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (B.P.-M.); (I.C.-B.)
| | | | - José Perez-García
- IOB Institute of Oncology, Quironsalud Group, Hospital Quiron, 08023 Barcelona, Spain;
| | - Javier Cortés
- CIBER-ONC, Instituto de Salud Carlos III, 28029 Madrid, Spain
- IOB Institute of Oncology, Quironsalud Group, Hospital Quiron, 08023 Barcelona, Spain;
- IOB Institute of Oncology, Quironsalud Group, 28006 Madrid, Spain
- Medica Scientia Innovation Research, 08018 Barcelona, Spain
- Medica Scientia Innovation Research, Ridgewood, NJ 07450, USA
- Vall d’Hebron Institute of Oncology, 08035 Barcelona, Spain
- Correspondence: (J.C.); (J.P.)
| | - José Palacios
- Pathology Department, Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (B.P.-M.); (I.C.-B.)
- Instituto Ramón y Cajal for Health Research (IRYCIS), 28034 Madrid, Spain
- CIBER-ONC, Instituto de Salud Carlos III, 28029 Madrid, Spain
- Faculty of Medicine, University of Alcalá de Henares, Alcalá de Henares, 28801 Madrid, Spain
- Breast Pathology Unit, Hospital Universitario Ramón y Cajal, 28801 Madrid, Spain
- Correspondence: (J.C.); (J.P.)
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19
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Li Y, Chen M, Pardini B, Dragomir MP, Lucci A, Calin GA. The role of radiotherapy in metaplastic breast cancer: a propensity score-matched analysis of the SEER database. J Transl Med 2019; 17:318. [PMID: 31547814 PMCID: PMC6757394 DOI: 10.1186/s12967-019-2069-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 09/17/2019] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Only few studies, with small patient cohorts, have evaluated the effect of radiotherapy (RT) for metaplastic breast cancer (MBC). Hence, it is important to investigate the role of RT in MBC survival using a large population-database. METHODS A retrospective cohort study using the Surveillance, Epidemiology, and End Results (SEER) from 1973 to 2015 was performed. We compared MBC patients with or without RT for overall survival (OS) and breast cancer-specific survival (BCSS) using univariate and multivariate Cox proportional hazard regressions before and after propensity score matching (PSM). RESULTS From a total of 2267 patients diagnosed with MBC between 1998 and 2015, 1086 (47.9%) received RT. In the multivariate analysis before PSM, RT provided a better OS (HR 0.73; 95% CI 0.61-0.88; p = 0.001) and BCSS (HR 0.71; 95% CI 0.58-0.88; p = 0.002). Multivariate analyses after PSM (n = 1066) confirmed that patients receiving RT (n = 506) survived longer than those without RT (OS, HR 0.64; 95% CI 0.51-0.80; p < 0.001 and BCSS, HR 0.64; 95% CI 0.50-0.83; p = 0.001). A longer OS was observed when RT was given to older patients (p = 0.001) and in case of large tumor size (p = 0.002). Intriguingly, patients with N0 stage showed better OS after RT (HR 0.69, P = 0.012). CONCLUSIONS Our findings support the beneficial effect of RT for MBC patients. In particular, older patients or with large tumor size have a greater survival benefit from RT. In conclusion, we have assessed the importance of the use of RT in MBC as survival factor and this could lead to the development of guidelines for this rare sub-type of tumors.
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Affiliation(s)
- Yongfeng Li
- Department of Breast Surgery, Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Science; Cancer Hospital of the University of Chinese Academy of Sciences; Zhejiang Cancer Hospital, Hangzhou, 310022 Zhejiang People’s Republic of China
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, South Campus Research Building 4, 1901 East Road, Houston, TX 77054 USA
| | - Meng Chen
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, South Campus Research Building 4, 1901 East Road, Houston, TX 77054 USA
| | - Barbara Pardini
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, South Campus Research Building 4, 1901 East Road, Houston, TX 77054 USA
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Mihnea P. Dragomir
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, South Campus Research Building 4, 1901 East Road, Houston, TX 77054 USA
- Department of Surgery, Fundeni Clinical Hospital, 22328 Bucharest, Romania
- The Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj Napoca, Romania
| | - Anthony Lucci
- Department of Breast Surgical Oncology, The University of Texas MD Anderson Cancer Center, 1400 Pressler St, Unit 1484, Houston, TX 77030 USA
| | - George A. Calin
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, South Campus Research Building 4, 1901 East Road, Houston, TX 77054 USA
- Center for RNA Interference and Non-coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX 77054 USA
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20
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Drekolias D, Mamounas EP. Metaplastic breast carcinoma: Current therapeutic approaches and novel targeted therapies. Breast J 2019; 25:1192-1197. [PMID: 31250492 DOI: 10.1111/tbj.13416] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 01/07/2019] [Accepted: 01/10/2019] [Indexed: 12/29/2022]
Abstract
Metaplastic breast carcinoma (MBC) is a rare subtype of invasive breast cancer consisting of various combinations of malignant epithelial and mesenchymal cells. Its aggressive growth pattern combined with its histological heterogeneity account for MBC's characteristic resistance to systemic therapies, which subsequently leads to increased risk of recurrence and breast cancer mortality compared with other invasive mammary carcinomas. The aim of this review is to discuss the current therapeutic approaches, both in loco-regional as well as in systemic management of MBC. With the accumulation of knowledge from histopathologic assessment and the increasing identification of underlying molecular aberrations, emerging, novel targeted therapies will enable physicians to implement a more individualized and efficacious therapeutic strategy, leading hopefully to an improvement in the poor prognosis of MBC.
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Affiliation(s)
- Dimitrios Drekolias
- Faculty of Medicine Athens, National and Kapodistrian University of Athens, Athens, Greece
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21
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Akrami M, Arasteh P, Mokhtari M, Tahmasebi S, Zangouri V, Hosseini S, Talei A. Does metaplastic breast carcinoma demonstrate a different clinicopathological behavior in our region: The Shiraz Breast Cancer Registry. Breast J 2018; 25:157-159. [PMID: 30592108 DOI: 10.1111/tbj.13183] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Revised: 10/10/2017] [Accepted: 10/19/2017] [Indexed: 01/09/2023]
Affiliation(s)
- Majid Akrami
- Breast Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Peyman Arasteh
- Breast Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Non-communicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
| | - Maral Mokhtari
- Department of Pathology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sedigheh Tahmasebi
- Breast Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Vahid Zangouri
- Surgical Oncology Division, General Surgery Department, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sara Hosseini
- Breast Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Abdolrasoul Talei
- Breast Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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22
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Budzik MP, Patera J, Sobol M, Czerw AI, Deptała A, Badowska-Kozakiewicz AM. Clinicopathological characteristics of metaplastic breast cancer - analysis of the basic immunohistochemical profile and comparison with other invasive breast cancer types. Breast 2018; 43:135-141. [PMID: 30553188 DOI: 10.1016/j.breast.2018.12.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 12/06/2018] [Indexed: 10/27/2022] Open
Abstract
INTRODUCTION Metaplastic breast cancer (MpBC) is a rare but aggressive type of breast cancer accounting for 0.25-1% of all diagnosed invasive breast cancers. Morphologically, it is characterized by differentiation of the neoplastic epithelium into squamous cells and/or mesenchymal-looking tissue. MATERIAL AND METHODS We analyzed 13 MpBCs selected from the group of 1122 invasive breast cancers. Histopathological examination and analysis of estrogen (ER), progesterone (PR) and HER2 receptors expression in MpBC patients and their comparison to other types of invasive breast cancer has been performed. RESULTS 13 MpBC cases represented 1.16% of the 1122 invasive breast cancers. The MpBC group presented with a significantly larger tumor size (≥T2, 69% versus 49%, p < 0.001) and with higher grade of histological malignancy (G1-G3) (p < 0.001). MpBC group had significantly more cases with no hormone receptors (ER, PR) and HER2 overexpression/gene amplification compared with the other invasive breast cancer types group (ER-, 69% versus 23%, p < 0.001; PR-, 69% versus 28%, p < 0.001; HER2 0/1+, 93% versus 82%, p = 0.019). Most MpBCs (62%) were triple-negative. We found a correlation between hormone receptors expression and lymph node metastasis (p < 0.001). The analysis of the HER2 expression allowed us to find correlation between its expression and tumor histological grade (G1-G3) (p < 0.001), tumor size (T1a-T4) (p < 0.001) and lymph node metastasis (pN0-pN4) (p < 0.001) in MpBCs. DISCUSSION MpBCs are usually larger at primary diagnosis and most of MpBCs present with other poor prognostic indicators and show lack of steroid hormone receptors expression as well as HER2. Hormone receptor status and HER2 expression seems to correlate with histological grade of malignancy (G1-G3), tumor size (T1a-T4) and regional lymph node involvement (pN0-pN4) and these features are directly related to MpBC malignancy.
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Affiliation(s)
- M P Budzik
- Department of Biophysics and Human Physiology, Medical University of Warsaw, Chalubinskiego 5, 02-004 Warsaw, Poland
| | - J Patera
- Department of Pathomorphology, Military Institute of Health Services, Szaserow 128, 04-141 Warsaw, Poland
| | - M Sobol
- Department of Biophysics and Human Physiology, Medical University of Warsaw, Chalubinskiego 5, 02-004 Warsaw, Poland
| | - A I Czerw
- Department of Health Economics and Medical Law, Medical University of Warsaw, Nielubowicza 5, 02-097 Warsaw, Poland; Department of Economic and System Analyses, National Institute of Public Health - NIH, Chocimska 24, 00-791 Warsaw, Poland.
| | - A Deptała
- Department of Cancer Prevention, Medical University of Warsaw, Woloska 137, 02-507 Warsaw, Poland
| | - A M Badowska-Kozakiewicz
- Department of Biophysics and Human Physiology, Medical University of Warsaw, Chalubinskiego 5, 02-004 Warsaw, Poland
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23
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Suarez-Kelly LP, Akagi K, Reeser JW, Samorodnitsky E, Reeder M, Smith A, Roychowdhury S, Symer DE, Carson WE. Metaplastic breast cancer in a patient with neurofibromatosis type 1 and somatic loss of heterozygosity. Cold Spring Harb Mol Case Stud 2018; 4:mcs.a002352. [PMID: 29449315 PMCID: PMC5880258 DOI: 10.1101/mcs.a002352] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 01/30/2018] [Indexed: 01/06/2023] Open
Abstract
Metaplastic breast carcinoma (MBC) is rare and has a poor prognosis. Here we describe genetic analysis of a 41-yr-old female patient with MBC and neurofibromatosis type I (NF1). She initially presented with pT3N1a, grade 3 MBC, but lung metastases were discovered subsequently. To identify the molecular cause of her NF1, we screened for germline mutations disrupting NF1 or SPRED1, revealing a heterozygous germline single-nucleotide variant (SNV) in exon 21 of NF1 at c.2709G>A, Chr 17: 29556342. By report, this variant disrupts pre-mRNA splicing of NF1 transcripts. No pathogenic mutations were identified in SPRED1. A potential association between MBC and NF1 was reported in eight previous cases, but none underwent detailed genomics analysis. To identify additional candidate germline variants potentially predisposing to MBC, we conducted targeted exome sequencing of 279 established cancer-causing genes in a control blood sample, disclosing four rare SNVs. Analysis of her breast tumor showed markedly altered variant allelic fractions (VAFs) for two (50%) of them, revealing somatic loss of heterozygosity (LOH) at germline SNVs. Of these, only the VAF of the pathogenic SNV in NF1 was increased in the tumor. Tumor sequencing demonstrated five somatic mutations altering TP53, BRCA1, and other genes potentially contributing to cancer formation. Because somatic LOH at certain germline SNVs can enhance their impacts, we conclude that increased allelic imbalance of the pathogenic SNV in NF1 likely contributed to tumorigenesis. Our results highlight a need to assess predisposing genetic factors and LOH that can cause rare, aggressive diseases such as MBC in NF1.
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Affiliation(s)
- Lorena P Suarez-Kelly
- The Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio 43210, USA
| | - Keiko Akagi
- The Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio 43210, USA.,Department of Cancer Biology and Genetics, The Ohio State University, Columbus, Ohio 43210, USA
| | - Julie W Reeser
- The Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio 43210, USA
| | - Eric Samorodnitsky
- The Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio 43210, USA
| | - Matthew Reeder
- The Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio 43210, USA
| | - Amy Smith
- The Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio 43210, USA
| | - Sameek Roychowdhury
- The Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio 43210, USA
| | - David E Symer
- The Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio 43210, USA.,Department of Cancer Biology and Genetics, The Ohio State University, Columbus, Ohio 43210, USA
| | - William E Carson
- The Arthur G. James Comprehensive Cancer Center and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio 43210, USA.,Division of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio 43210, USA
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24
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Abstract
Background The aim of presenting this work is to describe a matrix producing carcinoma with anaplastic myoepithelial cell foci, with the coexistence of in situ myoepithelial carcinoma which originated from a sclerosing adenosis. Case report A 51-year-old perimenopausal woman presented with a hard irregular lump in her left breast. After histological confirmation of malignancy the patient underwent a modified radical mastectomy. The tumor was composed of a sclerosed fibroadenoma and preexisting sclerosing adenosis with poorly differentiated overt carcinoma within the cartilaginous matrix. There were foci of ordinary intermediate-grade carcinoma in situ and myoepithelial carcinoma in situ. Results We performed immunohistochemistry by the streptavidin-biotin horseradish peroxidase method. Estrogen receptor and progesterone receptor were negative, and so was c-erbB-2. Both the invasive and the in situ components were positive for CK7, CK19, CK14, vimentin, smooth muscle actin, nerve growth factor receptor, and epidermal growth factor receptor. By contrast, CK5/6 immunoexpression was found only in the in situ component. Negativity was found for p63 and CD10 within the tumor. While cytoplasmic bcl-2 immunoexpression was detected in some of the tumor cells of the invasive component, intranuclear p53 expression was found to be positive not only in the invasive component but also in the in situ component of the tumor. Conclusion The histopathological findings and the immunohistochemistry results support the derivation of the tumor from myoepithelial cells.
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Affiliation(s)
- Handan Kaya
- Department of Pathology, Marmara University Hospital School of Medicine, Istanbul, Turkey
| | - Bahadir Güllüoğlu
- Department of Surgery, Marmara University Hospital School of Medicine, Istanbul, Turkey
| | - Erkin Aribal
- Department of Radiology, Marmara University Hospital School of Medicine, Istanbul, Turkey
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Metaplastic breast carcinoma with osseous differentiation: A rare case report. Int J Surg Case Rep 2017; 34:100-102. [PMID: 28376416 PMCID: PMC5379866 DOI: 10.1016/j.ijscr.2017.03.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 03/14/2017] [Accepted: 03/16/2017] [Indexed: 11/20/2022] Open
Abstract
INTRODUCTION Metaplastic breast carcinoma (MBC) is a rare type of breast cancer. Osseous differentiation is a very rare subtype. Reporting this kind of case is important because its clinical course and line of management are poorly mentioned in the literatures. We present a very rare case of MBC with osseous differentiation. A 48-year-old female presented with painless hard mass of the left breast. Examination and investigations showed MBC with osseous differentiation. She was managed by operation with adjuvant chemotherapy. CONCLUSION MBC with osseous differentiation is a very rare type of breast carcinoma presenting with hard mass and managed by mastectomy, axillary lymph node sampling and adjuvant chemotherapy.
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Böler DE, Kara H, Sağlıcan Y, Tokat F, Uras C. Metaplastic carcinoma of the breast: A case series and review of the literature. JOURNAL OF ONCOLOGICAL SCIENCES 2016. [DOI: 10.1016/j.jons.2016.08.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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Handa P, Khader SN, Buchbinder SS, Guelfguat M. Low-Grade Adenosquamous Carcinoma of the Breast Developing Around a Localization Wire Fragment. Lab Med 2016. [PMID: 26199266 DOI: 10.1309/lmkcx92lcjj6baij] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
We present the case of a 67-year-old white woman with a history of benign biopsy results in the previous 10 years before she developed low-grade adenosquamous carcinoma around a residual localization wire fragment. A possible theory of carcinogenesis may be related to reparative epithelium in a healing biopsy site that underwent squamous metaplasia; alternately, there may have been carcinogenesis related to long-term metal exposure at the wire placement site. In vitro and in vivo studies have demonstrated a link between carcinogenesis and long-term exposure to various metals. This case report raises important questions regarding carcinogenesis in the setting of long-term metal exposure and the reparative response of the body at the site of injury or biopsy.
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Affiliation(s)
- Priyanka Handa
- Department of Radiology, Jacobi Medical Center, Albert Einstein College of Medicine, Bronx, NY
| | - Samer N Khader
- Department of Cytopathology, Montefiore Medical Center, Bronx, NY
| | | | - Mark Guelfguat
- Department of Radiology, Jacobi Medical Center, Albert Einstein College of Medicine, Bronx, NY
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Dai X, Xiang L, Li T, Bai Z. Cancer Hallmarks, Biomarkers and Breast Cancer Molecular Subtypes. J Cancer 2016; 7:1281-94. [PMID: 27390604 PMCID: PMC4934037 DOI: 10.7150/jca.13141] [Citation(s) in RCA: 247] [Impact Index Per Article: 30.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Accepted: 05/19/2016] [Indexed: 12/13/2022] Open
Abstract
Breast cancer is a complex disease encompassing multiple tumor entities, each characterized by distinct morphology, behavior and clinical implications. Besides estrogen receptor, progesterone receptor and human epidermal growth factor receptor 2, novel biomarkers have shown their prognostic and predictive values, complicating our understanding towards to the heterogeneity of such cancers. Ten cancer hallmarks have been proposed by Weinberg to characterize cancer and its carcinogenesis. By reviewing biomarkers and breast cancer molecular subtypes, we propose that the divergent outcome observed from patients stratified by hormone status are driven by different cancer hallmarks. 'Sustaining proliferative signaling' further differentiates cancers with positive hormone receptors. 'Activating invasion and metastasis' and 'evading immune destruction' drive the differentiation of triple negative breast cancers. 'Resisting cell death', 'genome instability and mutation' and 'deregulating cellular energetics' refine breast cancer classification with their predictive values. 'Evading growth suppressors', 'enabling replicative immortality', 'inducing angiogenesis' and 'tumor-promoting inflammation' have not been involved in breast cancer classification which need more focus in the future biomarker-related research. This review novels in its global view on breast cancer heterogeneity, which clarifies many confusions in this field and contributes to precision medicine.
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Affiliation(s)
- Xiaofeng Dai
- National Engineering Laboratory for Cereal Fermentation Technology, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, P.R.China
| | - Liangjian Xiang
- National Engineering Laboratory for Cereal Fermentation Technology, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, P.R.China
| | - Ting Li
- National Engineering Laboratory for Cereal Fermentation Technology, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, P.R.China
| | - Zhonghu Bai
- National Engineering Laboratory for Cereal Fermentation Technology, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, P.R.China
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Moten AS, Jayarajan SN, Willis AI. Spindle cell carcinoma of the breast: a comprehensive analysis. Am J Surg 2016; 211:716-21. [PMID: 26830716 DOI: 10.1016/j.amjsurg.2015.11.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 11/12/2015] [Accepted: 11/13/2015] [Indexed: 11/17/2022]
Abstract
BACKGROUND Breast spindle cell malignancies are rare. No standard treatment exists. METHODS The Surveillance, Epidemiology, and End Results database was used to identify patients with breast spindle cell malignancies, 1992 to 2011. Descriptive statistical analysis and survival analysis were performed. RESULTS A total of 286 patients were identified (98.6% female). Approximately, 15% had estrogen receptor-positive tumors and 12.5% had progesterone receptor-positive tumors. Nearly 38% underwent partial mastectomy, whereas 55.5% underwent mastectomy. The frequency of partial mastectomy has increased in more recent years. One-third received radiation. Lymph node metastases were infrequent (9.3%) and distant metastases were uncommon (6.1%). Ten-year survival rates for patients with early-stage (I and II) disease were 83.9% after partial mastectomy, 86.7% after partial mastectomy plus radiation, and 71.6% after complete mastectomy. Three-year survival rates for patients with late-stage (III and IV) disease were low with 40.0% after complete mastectomy and 0% after complete mastectomy plus radiation. CONCLUSIONS This nationally representative analysis demonstrates that early-stage spindle cell carcinoma of the breast is adequately treated by partial mastectomy. Radiation may be considered for small, potentially early survival benefit. For late stage disease, complete mastectomy is appropriate; however, survival is poor, and radiation contributes no significant additional benefit.
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Affiliation(s)
- Ambria S Moten
- Department of Surgery, Temple University School of Medicine, Philadelphia, PA, USA
| | - Senthil N Jayarajan
- Department of Surgery, Temple University School of Medicine, Philadelphia, PA, USA
| | - Alliric I Willis
- Department of Surgery, Temple University School of Medicine, Philadelphia, PA, USA.
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Abstract
Metaplastic carcinoma of the breast is a rare but aggressive type of breast cancer that has been recognized as a unique pathologic entity by the World Health Organization. Morphologically, it is characterized by the differentiation of neoplastic epithelium into squamous cells and/or mesenchymal-looking elements (squamous cells, spindle cells, cartilage or bone, etc). It shares many similarities with invasive ductal carcinoma and benign lesions on mammography, which further complicates the diagnosis. Treatment for metaplastic breast carcinoma is relatively unknown because of the rarity of the disease, but studies suggest that removal of the tumor and adjuvant radiation therapy has the greatest benefit.
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Affiliation(s)
- Elizabeth McKinnon
- From the Department of Pathology, The Brooklyn Hospital Center/NewYork-Presbyterian Healthcare System, Brooklyn, New York. Dr McKinnon is currently located at the Department of Pathology, Duke University Medical Center, Durham, North Carolina
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Moulder S, Helgason T, Janku F, Wheler J, Moroney J, Booser D, Albarracin C, Morrow PK, Atkins J, Koenig K, Gilcrease M, Kurzrock R. Inhibition of the phosphoinositide 3-kinase pathway for the treatment of patients with metastatic metaplastic breast cancer. Ann Oncol 2015; 26:1346-52. [PMID: 25878190 DOI: 10.1093/annonc/mdv163] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 03/16/2015] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Mesenchymal/metaplastic breast cancers (MpBCs) are often triple-negative (TNBC), and chemo-refractory, and can harbor phosphoinositide 3-kinase (PI3kinase) alterations; thus, therapy with mTor inhibitors may demonstrate activity. PATIENTS AND METHODS Patients with mesenchymal/MpBC treated with temsirolimus-based regimens were evaluated. Mutational analyses [polymerase chain reaction (PCR)-based DNA sequencing method, mass spectrometric detection (Sequenom MassARRAY), or next-generation sequencing] as well as loss of phosphatase and tensin homolog (PTEN) (immunohistochemistry) were performed (archived tissue when available). RESULTS Twenty-three patients (one of whom was on two separate trials) were treated using temsirolimus-containing regimens: temsirolimus alone (n = 1 patient) or combined with the following: liposomal doxorubicin and bevacizumab (DAT, n = 18); liposomal doxorubicin (DT, n = 1); paclitaxel and bevacizumab (TAT, n = 2); paclitaxel (TT, n = 1); carboplatin and bevacizumab (CAT, n = 1). Response rate [complete response (CR) + partial response (PR)] was 25% across all regimens; 32% in the anthracycline-based regimens [DAT and DT (CR = 2, PR = 4; N = 19)]. An additional two patients achieved stable disease (SD) ≥6 months [total SD ≥6 months/CR/PR = 8 (33%)]. Molecular aberrations in the PI3K pathway were common: PIK3CA mutation = 6/15 (40%), PTEN mutation = 3/11 (27%), and PTEN loss = 2/11 (18%). A point mutation in the NF2 gene (K159fs*16; NF2 alterations can activate mTor) was found in one patient who attained CR (3+ years). Of the eight patients who achieved SD ≥6 months/CR/PR, all 4 patients with available tissue had a molecular aberration that activate the PIK3CA/Akt/mTOR axis: PIK3CA mutation = 2; PTEN loss = 1; NF2 aberration = 1. CONCLUSIONS DAT has activity in MpBCs including complete CRs. Molecular aberrations that can activate the PI3 K/Akt/mTOR axis are common in MpBC.
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Affiliation(s)
- S Moulder
- Department of Investigational Cancer Therapeutics (Phase I), The University of Texas, M.D. Anderson Cancer Center, Houston Department of Breast Medical Oncology, The University of Texas, M.D. Anderson Cancer Center, Houston
| | - T Helgason
- Department of Investigational Cancer Therapeutics (Phase I), The University of Texas, M.D. Anderson Cancer Center, Houston
| | - F Janku
- Department of Investigational Cancer Therapeutics (Phase I), The University of Texas, M.D. Anderson Cancer Center, Houston
| | - J Wheler
- Department of Investigational Cancer Therapeutics (Phase I), The University of Texas, M.D. Anderson Cancer Center, Houston
| | - J Moroney
- Department of Investigational Cancer Therapeutics (Phase I), The University of Texas, M.D. Anderson Cancer Center, Houston
| | - D Booser
- Department of Breast Medical Oncology, The University of Texas, M.D. Anderson Cancer Center, Houston
| | - C Albarracin
- Department of Pathology, The University of Texas, M.D. Anderson Cancer Center, Houston
| | - P K Morrow
- Department of Breast Medical Oncology, The University of Texas, M.D. Anderson Cancer Center, Houston
| | - J Atkins
- Department of Investigational Cancer Therapeutics (Phase I), The University of Texas, M.D. Anderson Cancer Center, Houston
| | - K Koenig
- Department of Breast Medical Oncology, The University of Texas, M.D. Anderson Cancer Center, Houston
| | - M Gilcrease
- Department of Pathology, The University of Texas, M.D. Anderson Cancer Center, Houston
| | - R Kurzrock
- Department of Hematology and Oncology, UCSD Moores Cancer Center, San Diego, USA
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Ng CE, Angamuthu N, Fasih T. Rare breast malignancies and review of literature: A single centres experience. Int J Surg Case Rep 2015; 11:11-17. [PMID: 25898336 PMCID: PMC4446669 DOI: 10.1016/j.ijscr.2015.03.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Accepted: 03/04/2015] [Indexed: 12/01/2022] Open
Abstract
Lymphoma of the breast is best managed with chemotherapy rather than surgery. Supradiaphragmatic metastases of ovarian cancer to breast can significantly alter prognosis. Osteosarcoma requires total excision with adequate margins in order to determine tumour size which is a valuable prognostic factor for survival. Immunohistochemistry is helpful to distinguish metaplastic carcinoma which are aggressive and are associated with poor outcomes. Adenoid cystic carcinoma of the breast are associated with favourable prognosis that only require surgery.
Introduction Breast cancer is a heterogeneous condition, with variants which are less common but still very well defined by the World Health Organization (WHO) classification. With the small number of cases each year large trials are difficult to perform. This series aims to discuss the rare breast malignancies encountered within a breast department and the evidence based approached to their management. Method Literature search of electronic databases via PubMed and the search engines Google/Google Scholar were used. Emphasis on keywords: breast cancer and the type of histology used to limit search. Searches were screened and those articles suitable had full text versions retrieved. The references to all retrieved texts were searched for further relevant studies. Conclusion Due to the rarity of some of these breast cancers, systematic evaluation of patient with detailed histopathology will aid accurate diagnosis and management. The series hopes to add the existing understanding of this small percentage of cases.
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Affiliation(s)
- Cho Ee Ng
- Surgical Department, Queen Elizabeth Hospital, Gateshead, NE9 6SX, United Kingdom.
| | - Nithia Angamuthu
- Surgical Department, Queen Elizabeth Hospital, Gateshead, NE9 6SX, United Kingdom.
| | - Tarannum Fasih
- Surgical Department, Queen Elizabeth Hospital, Gateshead, NE9 6SX, United Kingdom.
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Cancer stem cell and epithelial-mesenchymal transition markers predict worse outcome in metaplastic carcinoma of the breast. Breast Cancer Res Treat 2015; 150:31-41. [PMID: 25677743 DOI: 10.1007/s10549-015-3299-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 02/03/2015] [Indexed: 01/06/2023]
Abstract
Metaplastic breast carcinomas are known to overexpress markers of epithelial-mesenchymal transition and cancer stem cells. We evaluated their immunohistochemical expression, correlating with clinicopathological parameters and survival outcomes. The study cohort comprised 63 cases diagnosed at the Department of Pathology, Singapore General Hospital. Tumor size, grade, lymph node stage, and metaplastic components were reviewed. Immunohistochemistry was performed on sections cut from tissue microarray blocks. Antibodies to ER, PR, HER2, CK14, EGFR, 34βE12, cancer stem cell markers (CD44, CD24, ALDH1A1), epithelial-mesenchymal transition markers (Twist and E-cadherin), were applied. Survival outcomes were correlated with immunohistochemical findings. T2 tumors accounted for 74.7 % of cases, with grade 3 tumors predominating (71.4 %). Triple negativity occurred in 87.3 %, and basal-like subtype in 69.8 % of tumors. CD44+, CD44+CD24-, ALDH1A1+, loss of membranous E-cadherin (Ecadloss) and positive Twist expression was found in 82.5, 73.0, 77.8, 54.0, and 57.1 % of tumors, respectively. Combinational phenotypes of CD44+EcadlossTwist+, CD44+CD24-EcadlossTwist+, and ALDH1A1+EcadlossTwist+ were observed in 28.6, 25.4, and 2.6 % of tumors. Histologic grade was significantly correlated with E-cadherin loss (p = 0.042), Twist positivity (P = 0.001), CD44+EcadlossTwist+ (P = 0.010), CD44+CD24-EcadlossTwist+ (P = 0.018), and ALDH1A1+EcadlossTwist+(P = 0.010). Lymph node stage was significantly associated with CD44+EcadlossTwist+(P = 0.044) and CD44+CD24-EcadlossTwist+ (P = 0.044). Basal-like phenotype was significantly correlated with CD44 expressing (P = 0.004) and CD44+CD24- tumors (P = 0.049). Tumors harboring CD44+EcadlossTwist+ and CD44+CD24-EcadlossTwist+ phenotypes disclosed early recurrence (P = 0.027, P = 0.006) and poorer overall survival (P = 0.037, P = 0.006), respectively. Expression of cancer stem cell and epithelial-mesenchymal transition markers in metaplastic breast cancers correlates with adverse pathological parameters and outcome.
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Carcinoma metaplásico condrosarcomatoide de mama, una entidad inusual. RADIOLOGIA 2014; 56:e9-e11. [DOI: 10.1016/j.rx.2012.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Revised: 02/06/2012] [Accepted: 02/07/2012] [Indexed: 11/18/2022]
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Metaplastic breast carcinomas - analysis of prognostic factors in a case series. Contemp Oncol (Pozn) 2014; 18:116-9. [PMID: 24966795 PMCID: PMC4068812 DOI: 10.5114/wo.2014.41392] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 07/25/2013] [Accepted: 08/06/2013] [Indexed: 12/29/2022] Open
Abstract
Aim of the study Metaplastic breast carcinomas (MBC) are a rare group of cancers, accounting for about 1% of all breast cancers. The study presents a case series of MBC patients diagnosed, treated and followed up in one healthcare center. Material and methods The study group comprised 18 women at the median age of 63 years. The most common carcinoma type in the study group was MBC with squamous epithelial differentiation (56%). Estrogen receptor expression was identified in one patient. No steroid or HER2 receptor expression was found in the remaining patients. We analyzed recurrence and survival rates in relation to clinical and therapeutic factors by using the Kaplan-Meier method. Results A significantly longer overall survival time was noted among patients treated with adjuvant radiation therapy, p = 0.018. No other factors had a significant influence on survival. Because of the small size of the study group, results obtained in the study should be treated with caution.
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Paul Wright G, Davis AT, Koehler TJ, Melnik MK, Chung MH. Hormone Receptor Status Does Not Affect Prognosis in Metaplastic Breast Cancer: A Population-Based Analysis with Comparison to Infiltrating Ductal and Lobular Carcinomas. Ann Surg Oncol 2014; 21:3497-503. [DOI: 10.1245/s10434-014-3782-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Indexed: 12/27/2022]
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Oral metastasis of metaplastic breast carcinoma in a patient with neurofibromatosis 1. Case Rep Oncol Med 2014; 2014:719061. [PMID: 24876981 PMCID: PMC4021739 DOI: 10.1155/2014/719061] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Accepted: 04/09/2014] [Indexed: 01/02/2023] Open
Abstract
Neurofibromatosis type 1 (NF1) has been associated with an increased risk for development of malignancy, especially malignant peripheral nerve sheath tumors. In addition, recently, literature has demonstrated an increased risk of breast cancer in women with NF1. The present paper shows a 53-year-old woman with NF1 who presented with metaplastic breast carcinoma and developed multiple metastases, including mandible. Furthermore, we reviewed the English literature, found 63 cases showing the association between NF1 and breast cancer, and added one more case. The present study demonstrated an important association between NF1 and breast cancer. Until the present time, there has been only one case of metaplastic breast carcinoma associated with NF1. Curiously, in our case the oral metastasis corresponded to sarcomatous component of metaplastic breast carcinoma.
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Mayir B, Oruç MT, Ensari CÖ, Bilecik T, Sakar A, Aytaç Z, Yardımcı EC. Carcinosarcoma of the Breast: Case Report. THE JOURNAL OF BREAST HEALTH 2014; 10:248-249. [PMID: 28331681 DOI: 10.5152/tjbh.2014.1940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Accepted: 01/01/2014] [Indexed: 11/22/2022]
Abstract
Carcinosarcoma of the breast represents less than 1% of primary breast mailgnancies. Both malign epithelial and malign mesenchymal elements exist together in the breast. A 59 year old postmenopausal women presents with a bloody nipple discharge and mass in breast. In left breast 2×1 cm mss detected and excisied. At pathological examination breast carcinosarcoma was detected. Then modified radical mastectomy was performed. Tumor measured 4×4×3.5 cm. Tumor cells were negative for estrogen, progesteron. C-erb-B2 was negative. There was no metastasis in axillary lymph node metastasis. Carcinosarcoma of breast is rare tumor. It mass be consider in diagnosis of patients with large breast mass.
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Affiliation(s)
- Burhan Mayir
- Clinic of General Surgery, Antalya Training and Research Hospital, Antalya, Turkey
| | - Mehmet Tahir Oruç
- Clinic of General Surgery, Antalya Training and Research Hospital, Antalya, Turkey
| | - Cemal Özben Ensari
- Clinic of General Surgery, Antalya Training and Research Hospital, Antalya, Turkey
| | - Tuna Bilecik
- Clinic of General Surgery, Antalya Training and Research Hospital, Antalya, Turkey
| | - Alkan Sakar
- Clinic of General Surgery, Antalya Training and Research Hospital, Antalya, Turkey
| | - Zühre Aytaç
- Clinic of General Surgery, Antalya Training and Research Hospital, Antalya, Turkey
| | - Erdem Can Yardımcı
- Clinic of General Surgery, Antalya Training and Research Hospital, Antalya, Turkey
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Babahabib MA, Chennana A, Hachi A, Kouach J, Moussaoui D, Dhayni M. [Metaplastic breast cancer: report of a case]. Pan Afr Med J 2014; 19:268. [PMID: 25870723 PMCID: PMC4391886 DOI: 10.11604/pamj.2014.19.268.5508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Accepted: 10/21/2014] [Indexed: 11/11/2022] Open
Affiliation(s)
| | - Adil Chennana
- Service de Gynécologie Obstétrique, Hôpital Militaire d'Instruction Mohamed V, Rabat, Maroc
| | - Aymen Hachi
- Service de Gynécologie Obstétrique, Hôpital Militaire d'Instruction Mohamed V, Rabat, Maroc
| | - Jaoud Kouach
- Service de Gynécologie Obstétrique, Hôpital Militaire d'Instruction Mohamed V, Rabat, Maroc
| | - Driss Moussaoui
- Service de Gynécologie Obstétrique, Hôpital Militaire d'Instruction Mohamed V, Rabat, Maroc
| | - Mohammed Dhayni
- Service de Gynécologie Obstétrique, Hôpital Militaire d'Instruction Mohamed V, Rabat, Maroc
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Hu Q, Chen WX, Zhong SL, Li J, Luo Z, Tang JH, Zhao JH. Current Progress in the Treatment of Metaplastic Breast Carcinoma. Asian Pac J Cancer Prev 2013; 14:6221-5. [DOI: 10.7314/apjcp.2013.14.11.6221] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Chuthapisith S, Warnnissorn M, Amornpinyokiat N, Pradniwat K, Angsusinha T. Metaplastic carcinoma of the breast with transformation from adenosquamous carcinoma to osteosarcomatoid and spindle cell morphology. Oncol Lett 2013; 6:728-732. [PMID: 24137400 PMCID: PMC3789018 DOI: 10.3892/ol.2013.1464] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2013] [Accepted: 06/18/2013] [Indexed: 11/06/2022] Open
Abstract
Metaplastic carcinoma of the breast refers to a heterogenous group of mammary carcinomas that contain a mixture of various cell types, including squamous cells, spindle cells and/or a mesenchymal component, such as bone or cartilage. To the best of our knowledge, the clinical course of a tumour that has undergone a transformation from one type of metaplastic carcinoma to another subtype has not previously been reported. The present study reports the five-year clinical and pathological course of a metaplastic breast carcinoma in a 55-year-old female, who was diagnosed with a sclerosing fibroadenomatous nodule with osseous metaplasia and focal atypia. A recurrent tumour was documented four years later, showing a predominant component of osteosarcoma with adenosquamous carcinoma. Upon pathological review of the initial mass, the diagnosis was changed to low-grade adenosquamous carcinoma. The patient was treated with breast conserving therapy. However, one year later, a recurrent metaplastic carcinoma with spindle cell morphology was documented and surgically removed by mastectomy. Subsequently, pulmonary invasion of the chest wall occurred and the patient eventually succumbed due to the invasive nature of the disease.
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Affiliation(s)
- Suebwong Chuthapisith
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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The prognostic significance of metaplastic carcinoma of the breast (MCB)--a case controlled comparison study with infiltrating ductal carcinoma. Breast 2013; 22:968-73. [PMID: 23787124 DOI: 10.1016/j.breast.2013.05.010] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2012] [Revised: 05/10/2013] [Accepted: 05/19/2013] [Indexed: 12/12/2022] Open
Abstract
PURPOSE Metaplastic carcinoma of the breast (MCB) is a rare histological subtype of breast cancer with an incidence of less than 0.1%-0.5%. Due to its rarity, the clinical characteristics and prognostic significance of MCB compared with other common breast cancers (like infiltrating ductal carcinoma [IDC], and infiltrating lobular carcinoma [ILC]) are not clear, and controversial among different reports. METHODS We performed a collective comparison study of multi-institutional cases to evaluate the clinical characteristics and prognostic status of MCB to compare with IDC and ILC. A case control analysis was performed to minimize the bias from clinicopathologic factors between IDC and MCB. Disease free survival (DFS) and overall survival (OS) between groups were compared. RESULTS Forty-five MCB patients were enrolled from the 4 medical centers and compared with 1777 IDC and 53 ILC patients from the CCH cancer registry database comprise the current study. Compared with IDC, MCB was associated with older age, larger tumor size, a lesser lymph node positive rate, a higher likelihood of distant metastasis, higher tumor grade, lower ER-positive tumor, and higher triple negative breast cancer subtype (TNBC). MCB was associated with worse OS (p = 0.031) than IDC, but no difference in DFS (p = 0.071); however, MCB was not statistically different from ILC in both DFS and OS (p = 0.289 and 0.132, respectively). Compared with the case-controlled IDC group, MCB patients had poorer OS (p = 0.040), but no difference in DFS (p = 0.439). CONCLUSION MCB is associated with poorer OS than IDC, and this was related to tumor behavior rather than clinicopathologic factors.
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Song Y, Liu X, Zhang G, Song H, Ren Y, He X, Wang Y, Zhang J, Zhang Y, Sun S, Liang X, Sun Q, Pang D. Unique clinicopathological features of metaplastic breast carcinoma compared with invasive ductal carcinoma and poor prognostic indicators. World J Surg Oncol 2013; 11:129. [PMID: 23738706 PMCID: PMC3679991 DOI: 10.1186/1477-7819-11-129] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Accepted: 05/12/2013] [Indexed: 11/25/2022] Open
Abstract
Background Metaplastic breast carcinoma is a rare aggressive malignant neoplasm. The purposes of this study are to review the pathologic features and clinical outcomes of metaplastic breast carcinoma compared to invasive ductal carcinoma and to evaluate the prognosis of metaplastic breast carcinoma. Methods The cases of 55 patients with metaplastic breast carcinomapresenting between 1991 and 2006 were analyzed and compared to the cases of 767 age-matched patients with invasive ductal carcinoma from the same time period. Results The group of patients with metaplastic breast carcinoma presented with a larger tumor size, lower lymph node involvement, higher percentage of triple-negative (estrogen receptor-, progesterone receptor- and human epidermal growth factor receptor-2-negative) cases, and Ki-67 over-expression compared with the group of patients with invasive ductal carcinoma and triple-negative invasive ductal carcinomas. Patients in the metaplastic breast carcinoma group tended to have more local (often chest wall) recurrences (P = 0.038) and distant (often lung) metastases (P = 0.001) than those in the invasive ductal carcinomas group. The prognosis of metaplastic breast carcinoma was poorer than that of invasive ductal carcinoma and triple-negative invasive ductal carcinomas; the 5-year overall survival rate was 54.5% in metaplastic breast carcinoma versus 85.1% in invasive ductal carcinoma, and 73.3% in triple-negative invasive ductal carcinomas (P <0.001). The 5-year disease-free survival rate was 45.5% in metaplastic breast carcinoma versus 71.2% in invasive ductal carcinoma, and 60.3% in triple-negative invasive ductal carcinomas (P <0.001). Multivariate analysis revealed tumor size larger than 5.0 cm, lymph node involvement and Ki-67≥14% were significantly related to 5-year overall survival (P = 0.010; P = 0.010; P = 0.035) and 5-year disease-free survival (P = 0.020; P = 0.018; P = 0.049). Conclusions Metaplastic breast carcinoma shows a poorer prognosis than both invasive ductal carcinoma and triple-negative invasive ductal carcinomas. Tumor size larger than 5.0 cm, lymph node involvement and Ki-67 ≥14% indicate a poor prognosis in patients with metaplastic breast carcinoma.
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Affiliation(s)
- Yanni Song
- Department of Breast Surgery, The Third Affiliated Hospital of Harbin Medical University, 150 Haping Road, Harbin 150081, China
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Rudmann D, Cardiff R, Chouinard L, Goodman D, Küttler K, Marxfeld H, Molinolo A, Treumann S, Yoshizawa K. Proliferative and nonproliferative lesions of the rat and mouse mammary, Zymbal's, preputial, and clitoral glands. Toxicol Pathol 2013; 40:7S-39S. [PMID: 22949413 DOI: 10.1177/0192623312454242] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The mammary gland of laboratory rodents is an important organ for the evaluation of effects of xenobiotics, especially those that perturb hormonal homeostasis or are potentially carcinogenic. Mammary gland cancer is a leading cause of human mortality and morbidity worldwide and is a subject of major research efforts utilizing rodent models. Zymbal's, preputial, and clitoral glands are standard tissues that are evaluated in animal models that enable human risk assessment of xenobiotics. A widely accepted and utilized international harmonization of nomenclature for mammary, Zymbal's, preputial, and clitoral gland lesions in laboratory animals will improve diagnostic alignment among regulatory and scientific research organizations and enrich international exchanges of information among toxicologists and pathologists.
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Affiliation(s)
- Daniel Rudmann
- Eli Lilly and Co., Lilly Research Laboratories, Indianapolis, Indiana 46225, USA.
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Do primary mammary osteosarcoma and chondrosarcoma exist? A review of a large multi-institutional series of malignant matrix-producing breast tumours. Breast 2012; 22:13-8. [PMID: 23084962 DOI: 10.1016/j.breast.2012.09.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Accepted: 09/23/2012] [Indexed: 01/20/2023] Open
Abstract
UNLABELLED The existing literature describing the clinicopathological features and behaviour of matrix-producing (MP) malignant breast tumours presents conflicting results. As a consequence it remains uncertain whether these tumours should be treated as sarcoma and managed by a specialist sarcoma team or treated using the same principles as conventional ductal carcinoma, a dilemma that prompted this study. Improved understanding of the clinicopathological characteristics of primary mammary MP-sarcomas, namely osteosarcoma and chondrosarcoma, is required. METHODS In this large international multicenter series of malignant MP-tumours of the breast (no = 101) with follow-up information has been assessed and their outcome is compared to other subtypes of metaplastic breast carcinoma (MBC) (no = 253) and to grade, lymph node and hormone receptor-matched ductal breast carcinomas (no = 258). RESULTS The majority of MP-cancers were associated with epithelial features, which supports the concept that the majority of, if not almost all, primary MP breast sarcomas are of epithelial in origin (MBC). 21% showed nodal metastasis and the distribution of distant metastases resembled conventional mammary carcinoma. The prognosis of MP-MBC is comparable to matched ductal breast carcinoma and slightly better than other subtypes of MBC. Advanced stage (T3&T4) and development of recurrences were predictors of shorter survival in MP-MBC while grade and vascular invasion were not. CONCLUSION Most malignant MP breast tumours are variants of MBC. MP-MBC with predominant mesenchymal components behaves similar to ductal carcinomas and although data on their response to systemic therapy is limited, there is no evidence that they should be managed differently from other forms of triple negative breast cancer.
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Shah DR, Tseng WH, Martinez SR. Treatment options for metaplastic breast cancer. ISRN ONCOLOGY 2012; 2012:706162. [PMID: 22778998 PMCID: PMC3388429 DOI: 10.5402/2012/706162] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Accepted: 05/21/2012] [Indexed: 11/23/2022]
Abstract
Metaplastic breast cancer (MBC) is a malignancy characterized by the histologic presence of two or more cellular types, commonly a mixture of epithelial and mesenchymal components. MBC is rare relative to invasive ductal carcinoma (IDC), representing less than 1% of all breast cancers. Other than a lower rate of lymph node metastases, MBC tumors display poorer prognostic features relative to IDC. Due to its low incidence and pathological variability, the ideal treatment paradigm for MBC is unknown. Because of its rarity, MBC has been treated as a variant of IDC. Despite similar treatment regimens, however, patients with MBC have worse outcomes. Recent research is focused on biological differences between MBC and IDC and potential novel targets for chemotherapeutic agents. This paper serves as a summation of current literature on approaches to the multidisciplinary treatment of patients with MBC.
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Affiliation(s)
- Dhruvil R Shah
- Division of Surgical Oncology, UC Davis Comprehensive Cancer, Sacramento, CA 95817, USA
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Lavasani MA, Moinfar F. Molecular classification of breast carcinomas with particular emphasis on "basal-like" carcinoma: a critical review. JOURNAL OF BIOPHOTONICS 2012; 5:345-366. [PMID: 22232077 DOI: 10.1002/jbio.201100097] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2011] [Revised: 12/14/2011] [Accepted: 12/16/2011] [Indexed: 05/31/2023]
Abstract
During the last 11 years, 5 molecular subtypes of breast carcinoma (luminal A, luminal B, Her2-positive, basal-like, and normal breast-like) have been characterized and intensively studied. As genomic research evolves, further subtypes of breast cancers into new "molecular entities" are expected to occur. For example, a new and rare breast cancer subtype, known as claudin-low, has been recently found in human carcinomas and in breast cancer cell lines. There is no doubt that global gene expression analyses using high-throughput biotechnologies have drastically improved our understanding of breast cancer as a heterogeneous disease. The main question is, however, whether new molecular techniques such as gene expression profiling (or signature) should be regarded as the gold standard for identifying breast cancer subtypes. A critical review of the literature clearly shows major problems with current molecular techniques and classification including poor definitions, lack of reproducibility, and lack of quality control. Therefore, the current molecular approaches cannot be incorporated into routine clinical practice and treatment decision making as they are immature or even can be misleading. This review particularly focuses on the "basal-like" breast cancer subtype that represents one of the most popular breast cancer "entities". It critically shows major problems and misconceptions with and about this subtype and challenges the common claim that it represents a "distinct entity". It concludes that the term "basal-like" is misleading and states that there is no evidence that expression of basal-type cytokeratins in a given breast cancer, regardless of other established prognostic factors, does have any impact on clinical outcome.
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Affiliation(s)
- Mohammad Ali Lavasani
- Unit of Breast and Gynecologic Pathology, Department of Pathology, Medical University of Graz, Graz, Austria
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Wang CC, Liau JY, Lu YS, Chen JW, Yao YT, Lien HC. Differential expression of moesin in breast cancers and its implication in epithelial-mesenchymal transition. Histopathology 2012; 61:78-87. [DOI: 10.1111/j.1365-2559.2012.04204.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Target points in trastuzumab resistance. Int J Breast Cancer 2012; 2012:761917. [PMID: 22482061 PMCID: PMC3299266 DOI: 10.1155/2012/761917] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Accepted: 11/11/2011] [Indexed: 01/16/2023] Open
Abstract
Epidermal growth factor (EGF) family of receptors is involved in cell growth and differentiation. The human EGF2 (HER2) lacks natural ligands, and correlation between HER2 levels and carcinogenesis makes the receptor an ideal candidate for targeted therapy in breast cancer. Trastuzumab is a humanized antibody applied against HER2-positive breast tumors in clinic. Metastatic tumors respond well to trastuzumab therapy for the first year, but development of antibody resistance helps the tumors to regrow allowing the disease to progress. Trastuzumab resistance is shaped via a range of intracellular signaling pathways that are interconnected and share in key effector molecules. Identification of a common node central to these resistance pathways could provide an ultimate solution for trastuzumab resistance in breast and other cancers.
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Aggarwal G, Reid MD, Sharma S. Metaplastic variant of invasive micropapillary breast carcinoma: a unique triple negative phenotype. Int J Surg Pathol 2012; 20:488-93. [PMID: 22334616 DOI: 10.1177/1066896912436552] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Invasive micropapillary carcinomas (IMC) and metaplastic breast carcinoma (MBC) have different clinicopathologic features. This study reports an unusual case of multifocal grade III IMC associated with MBC component in a 35-year-old woman. MBC was vimentin positive, pancytokeratin negative, and showed focal p63 positivity. Immunostains for estrogen and progesterone receptor, and fluorescence in situ hybridization for Her2/neu amplification were negative. All the left axillary lymph nodes dissected were positive for metastatic carcinoma with ductal and IMC patterns, but without metaplastic component. Postmastectomy computed tomography and magnetic resonance imaging scans showed metastases to lungs, liver, brain, and vertebrae. The biologic behavior of tumor was in accordance with histology, so that the nodal and distant metastases were testament to the underlying inherently aggressive IMC, whereas large tumor size and triple negativity reflected the features of MBC. To the best of the authors' knowledge, this is the first report of a metaplastic variant of invasive micropapillary breast carcinoma with triple negative phenotype.
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