scholarly journals Evaluation of multiple transcriptomic gene risk signatures in male breast cancer

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Jane Bayani ◽  
Coralie Poncet ◽  
Cheryl Crozier ◽  
Anouk Neven ◽  
Tammy Piper ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Male Breast Cancer ◽  
Univariate Analysis ◽  
Gene Signature ◽  
Male Breast ◽  
Risk Scores ◽  
Breast Cancers ◽  
Academic Risk ◽  
Genomic Grade Index ◽  
Prognostic Utility

AbstractMale breast cancer (BCa) is a rare disease accounting for less than 1% of all breast cancers and 1% of all cancers in males. The clinical management is largely extrapolated from female BCa. Several multigene assays are increasingly used to guide clinical treatment decisions in female BCa, however, there are limited data on the utility of these tests in male BCa. Here we present the gene expression results of 381 M0, ER+ve, HER2-ve male BCa patients enrolled in the Part 1 (retrospective analysis) of the International Male Breast Cancer Program. Using a custom NanoString™ panel comprised of the genes from the commercial risk tests Prosigna®, OncotypeDX®, and MammaPrint®, risk scores and intrinsic subtyping data were generated to recapitulate the commercial tests as described by us previously. We also examined the prognostic value of other risk scores such as the Genomic Grade Index (GGI), IHC4-mRNA and our prognostic 95-gene signature. In this sample set of male BCa, we demonstrated prognostic utility on univariate analysis. Across all signatures, patients whose samples were identified as low-risk experienced better outcomes than intermediate-risk, with those classed as high risk experiencing the poorest outcomes. As seen with female BCa, the concordance between tests was poor, with C-index values ranging from 40.3% to 78.2% and Kappa values ranging from 0.17 to 0.58. To our knowledge, this is the largest study of male breast cancers assayed to generate risk scores of the current commercial and academic risk tests demonstrating comparable clinical utility to female BCa.

Male Versus Female Breast Cancers

2003 ◽  
Vol 127 (1) ◽  
pp. 36-41 ◽  
Author(s):  
D. Muir ◽  
R. Kanthan ◽  
S. C. Kanthan
Keyword(s):  
Breast Cancer ◽  
Estrogen Receptor ◽  
Progesterone Receptor ◽  
Male Breast Cancer ◽  
Male Breast ◽  
High Grade ◽  
Breast Cancers ◽  
Receptor Status ◽  
Female Breast ◽  
Grade 3

Abstract Context.—The rate of male breast cancer is a small fraction of that observed in females, thus severely limiting our understanding of the pathogenesis of this condition. It remains unclear whether the biological behavior and tumor progression associated with male breast cancer parallel that of the female form. Objectives.—To evaluate the immunohistochemical profile of male breast carcinomas and to compare this profile with that of stage-matched female breast cancers. Design.—Seventy-five cases of primary male breast cancer were identified using the records of the Saskatchewan Cancer Foundation over a period of 26 years (1970–1996). Fifty-nine of these cases had formalin-fixed, paraffin-embedded tissue blocks available for the purposes of this study. All cases were reviewed and a standardized modified Bloom-Richardson grading criterion was applied. Estrogen receptor status, progesterone receptor status, c-Erb-B2 expression, p53 expression, and Bcl-2 expression were evaluated by immunohistochemistry. Results from 240 consecutive cases of stage-matched female breast cancers analyzed in the same laboratory were used as a standard set for comparison. Results.—Male breast cancers tended to be high grade (85% grade 3) in comparison with the female breast cancers (50% grade 3). In descriptive analysis across all stages of disease, male carcinomas were more frequently estrogen receptor positive (81% vs 69%) than their female counterparts. Despite their high grade, they were less likely to overexpress p53 (9% vs 28%) and Erb-B2 (5% vs 17%) than the female counterparts. There was no significant difference in either progesterone receptor (63% vs 56%) or Bcl-2 (79% vs 76%) overexpression. Stratified analysis by stage-matched controls showed no statistically significant differences among the men and women with stage I disease. However, in stage II–matched samples, statistically significant differences were observed between the 2 groups. The male cancers were more likely to overexpress estrogen receptor (81.6% vs 64.4%, P = .04), progesterone receptor (71.1% vs 47.5%, P = .01), and Bcl-2 (78.9% vs 69.4%, P = .20). They also showed statistically significant lower expression of p53 (7.9% vs 36.3%, P = .001) and Erb-B2 (5.3% vs 23.8% P = .01). Conclusion.—Male breast cancers display distinct immunophenotypic differences from those occurring in women, implying a different pathogenesis in the evolution and progression of this disease. Such differences may play key roles in therapeutic management, warranting different treatment strategies in comparison to female breast cancers.

scholarly journals Male Breast Cancer- Report of Two Cases

1970 ◽  
Vol 21 (1) ◽  
pp. 80-82
Author(s):  
M Dayem Uddin ◽  
ABM Abdul Hannan
Keyword(s):  
Breast Cancer ◽  
Clinical Manifestation ◽  
Male Breast Cancer ◽  
Signs And Symptoms ◽  
Male Breast ◽  
Breast Cancers ◽  
Early Signs ◽  
Bangladeshi Population

Male breast cancer is rare. It accounts for 0.2% of all cancers, and 1% all breast cancers. Most patients present late for several reasons, including the absence of early signs and symptoms, and reduced awareness of the existence of such pathology among patients and physicians, Reporting these cases from among the Bangladeshi population, we tried to observe any differences in clinical manifestation from those reported in the literature, and aimed to increase the value assigned to male breast as a source of pathology among patients and physicians as well.   doi: 10.3329/taj.v21i1.3226 TAJ 2008; 21(1): 80-82

scholarly journals Management and Outcomes of Male Breast Cancer in Zaria, Nigeria

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Adamu Ahmed ◽  
Yahaya Ukwenya ◽  
Adamu Abdullahi ◽  
Iliyasu Muhammad
Keyword(s):  
Breast Cancer ◽  
Male Breast Cancer ◽  
Advanced Disease ◽  
Radical Mastectomy ◽  
Male Breast ◽  
Tumor Diameter ◽  
Axillary Lymph ◽  
Breast Cancers ◽  
Modified Radical Mastectomy ◽  
Male Patients

Male breast cancer is an uncommon disease accounting for only 1% of all breast cancers. We present the evaluation, treatment and outcome of male patients seen with breast cancer in our institution. Male patients that had histological diagnosis of breast cancer from 2001 to 2010 were retrospectively evaluated. After evaluation patients were treated with modified radical mastectomy. Combination chemotherapy was given to patients with positive axillary lymph nodes. Radiotherapy and hormonal therapy were also employed. There were 57 male patients with breast cancer which accounted for 9% of all breast cancers seen during the study period. Their mean age was 59 ± 2.3 years. The mean tumor diameter was 13 ± 2.5 cm. Fifty three (93%) patients presented with advanced disease including 15 with distant metastasis. Four patients with stage II disease were treated with modified radical mastectomy, chemotherapy and tamoxifen. Of the 30 patients with sage III disease that had modified radical mastectomy, complete axillary clearance and tumor free margins were achieved in 25. Overall 21 (36.8%) patients were tumor free at one year. Overall 5-year survival was 22.8%. In conclusion, male patients with breast cancer present with advanced disease which is associated with poor outcome of treatment.

Early-stage male breast cancer: A 10-year experience

2009 ◽  
Vol 27 (15_suppl) ◽  
pp. e11630-e11630
Author(s):  
N. Gercovich ◽  
E. Gil Deza ◽  
M. Russo ◽  
C. Garcia Gerardi ◽  
C. Diaz ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cancer Patients ◽  
Male Breast Cancer ◽  
Ductal Carcinoma ◽  
Early Stage ◽  
Male Breast ◽  
Stage I ◽  
Stage Ii ◽  
Breast Cancers ◽  
Breast Cancer Patients

e11630 Introduction: Male breast cancer is very rare, representing only between 0.7% and 1% of all breast cancers, and only half of them are early stage cases. Objective: The present study has been designed with the aim of studying retrospectively the clinical onset and evolution of male invasive breast cancer patients (stages I and II) treated at IOHM between 1997 and 2008. Methods: The records of 3,000 breast cancer cases followed between 1997 and 2008 were searched, looking for male stage I and II breast cancer patients. A database was designed following the recommendations of the Directors of Surgical Pathology of the USA. The information registered encompassed: adjuvant treatments, recurrence date and date of final consultation or death. Results: Twelve pts were identified. Mean age (range)= 66 yo (50–89 yo). Tumoral type= Invasive Ductal Carcinoma 12 pt. Tumoral subtype= NOS 9 pt (75%) Apocrine 2 pt (17%) Micropapillar 1 pt (8%). Nottingham´s grade= Grade 2: 8 pt, Grade 3: 3 pt, N/A=1 pt. Stage= I= 6 pt, II=6 pt. ER (Positve= 9 pt, Negative=1 pt, N/A= 2 pt). PR (Positve= 8 pt, Negative= 2 pt, N/A=2 pt). Her2neu (0+= 3 pt, 1+= 3 pt, 2+= 2 pt, N/A= 4 pt). Surgery= Mastectomy= 11 pt, Lumpectomy 1= pt. Radiotherapy=5 pt. Adjuvance= No=2 pt, Hormonotherapy (HT)= 3 pt, Chemotherapy (CHT) = 3 pt, CHT+HT= 4 pt. Recurrence= Yes= 2 pt, No= 10 pt. Survival: Dead= 1 pt, Alive =11 pt. Mean Time To Progression= Stage I =66 months, Stage II =42 months. Global survival: Stage I =66 months, Stage II =52 months. Conclusions: 1. Twelve stage I and II male breast cancer patients were identified out of 3000 (0.4%) breast cancer cases diagnosed and followed in the past 10 years at the IOHM. 2. Mastectomy was the surgical procedure in 11 of the 12 cases 3. Ten pt underwent adjuvant treatment. 4. With a mean follow up time of 60 months, all stage I patients are alive and there were no recurrences. Two of the 6 stage II pts progressed and one died. No significant financial relationships to disclose.

Molecular characterization of male breast cancer by standardized quantitative RT-PCR analysis: First large genomic study of 347 male breast cancers compared to 82,434 female breast cancers

2009 ◽  
Vol 27 (15_suppl) ◽  
pp. 549-549 ◽  
Author(s):  
S. Shak ◽  
G. Palmer ◽  
F. L. Baehner ◽  
C. Millward ◽  
D. Watson ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Gene Expression ◽  
Male Breast Cancer ◽  
Recurrence Score ◽  
Cyclin B1 ◽  
Oncotype Dx ◽  
Male Breast ◽  
Breast Cancers ◽  
Genomic Study ◽  
Males And Females

549 Background: Because male breast cancer (BC) is rare, there is little known about the disease and treatment is extrapolated from female BC. Newer molecular technologies have not been used to profile male BC. We report here a study of quantitative gene expression by gender status in tumor specimens submitted for Recurrence Score testing. Methods: All estrogen receptor positive tumor specimens successfully examined in the Genomic Health laboratory from June 2004 through December 2008 were included. Quantitative expression for each gene was measured by the 21 gene oncotype DX assay on a scale from 0 to 15 (relative to reference genes), where a one unit increment is associated with a 2-fold change in expression. Results: There were 347 male and 82,434 female BCs. The males were older (mean age 63.8 vs 57.4 yrs). Standard histopathology was similar, although slightly more male BCs were ductal (83% vs 78%). Like female BC, there was a wide variation in gene expression in male BC. The distribution of RS in males and females was similar - RS mean (±SD) 18.1 (±11.2) in males and 19.1 (±10.2) in females (p = NS). The proportion of tumors with RS <18, 18 - 30, and ≥ 31 was 53.6%, 35.2%, and 11.2% in males and 53.4%, 36.3%, and 10.3% in females. Although the patterns of expression of the Oncotype DX genes were more similar than different in males and females some differences were notable. Mean expression of ER, PR, and SCUBE2 were 0.5 units higher in males. Mean expression of the proliferation genes, Ki-67, MYBL2, Survivin, Cyclin B1, and STK15, were 0.5 units higher in males. Mean expression of STMY3 was 0.9 units higher in males. Of note, whereas the level of quantitative ER significantly increased with increasing patient age in females (0.4 units per decade), little increase was observed in males (<0.1 units per decade). Conclusions: This large genomic study of male BC reveals a heterogeneous biology as measured by the standardized quantitative oncotype DX breast cancer assay, similar to that observed in female BC. Some differences, which may reflect the differences in hormone biology between males and females, were noted and deserve further study. [Table: see text]

scholarly journals On the proportion of male breast cancer among all breast cancers

Cancer ◽  
2020 ◽  
Vol 126 (9) ◽  
pp. 2034-2034
Author(s):  
Zhou Xu ◽  
Shen Tian ◽  
Ling‐Quan Kong
Keyword(s):  
Breast Cancer ◽  
Male Breast Cancer ◽  
Male Breast ◽  
Breast Cancers

Inmunophenotypic profiles of male breast cancer

2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 21180-21180
Author(s):  
T. Martin Gomez ◽  
B. Torio ◽  
I. Ruiz ◽  
F. Arranz ◽  
A. Arizcun
Keyword(s):  
Breast Cancer ◽  
Male Breast Cancer ◽  
In Situ Hybridisation ◽  
Case Series ◽  
Response To Therapy ◽  
Male Breast ◽  
Breast Cancers ◽  
Luminal A ◽  
Luminal B ◽  
Female Breast

21180 Background: Recently, inmunophenotypic characterization methods have allowed identification of female breast carcinomas into separate groups showing different behaviour and response to therapy: luminal A phenotype (RE +, HER2-neu - ), luminal B (RE +, HER2- neu + ), basal like (RE -, HER2-neu - ). In this study, we used immunohistochemistry to investigate the inmunophenotypic profile distribution of male breast cancer. Methods: all the male breast cancers were obtained from the files of the Departments of Pathology of Hospital Río Carrión in Palencia, Spain, since 1996. A total of 9 cases were reviewed to confirm the diagnosis and to characterize each tumour. The following CK immunohistochemistry was performed: 8/18 and 5 (Dako, Carpinteria, CA, USA) in a Dako autostainer. ER was interpreted as positive if > 10% of the cells were staining. Normal skin and tonsils were used as positive controls for the CK and a known breast cancer for the ER immunohistochemistry. Results: five cases expressed RE and were HER2-neu negative, so they have a luminal-A phenotype. The four cases that expressed the luminal-B pehnotype expressed RE and HER2-neu; we demonstrated gene amplification of the HER-neu gene using fluorescent in situ hybridisation (FISH) in those cases. Respect the CKs profile, all cases were positive for CK 8/18 and negative with CK 5, vimentin and p63, characteristic of luminal-like CK expression profile, according wiht the literature. Conclusions: this is the first case series of male breast cancer patients that provides inmunophenotypic profile data on this rare disease in only one center in Spain. We comunicate that the vast majority of these tumours express the phenotype of luminal-like CKs. None of our patients were basal-like tumours. The percentage expression of Her-2 parallels the finding in female breast cancers and this should be analysed for its predictive significance, according to new specific biological treatments. No significant financial relationships to disclose.

Metastatic male breast cancer (mMBC): Prognosis and survival of 35 patients

2009 ◽  
Vol 27 (15_suppl) ◽  
pp. e12001-e12001
Author(s):  
R. Foerster ◽  
F. G. Foerster ◽  
D. Baaske ◽  
B. Schubotz ◽  
V. Wulff ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Male Breast Cancer ◽  
Systemic Therapy ◽  
Metastatic Breast ◽  
Male Breast ◽  
Tumor Characteristics ◽  
Breast Cancers ◽  
Breast Cancer Patients ◽  
Radio Therapy

e12001 Background: Only about 1% of breast cancers occur in men, respectively 400–500 new cases per year in Germany. Clinical studies on breast cancer in men are limited for case studies or retrospective analysis. In the recent years no studies have been published on the clinical course of mMBC. Therefore we here present a retrospective cohort study on this topic. Methods: Clinical and pathological tumor characteristics and the follow-up of male breast cancer patients with metastatic disease diagnosed in the region Chemnitz/Zwickau in the state of Saxony between 1995 and 2007 were documented and statistically evaluated. Results: 35 men (median age 64.7 years) were diagnosed with mMBC; 10 (28.6%) of them with primary metastasis. Median survival time: 37 months. 85.7% (n = 30) had an invasive-ductile carcinoma. Most common localizations of metastasis: bones (n = 19), lungs (n = 19), liver (n = 7). Tumor characteristics at the point of diagnosis: 63.9% (n = 22) T2-T4, 38.7% (n = 12) G3, 48.4% (n = 15) N+, 79.3% (n = 23) ER+, 72.4% (n = 21) PgR+, 12.5% (n = 3) HER-2+, 13.8% (n = 4) triple negatives, and 69.2% (n = 9) AR+. The therapy in the metastatic state was very heterogeneous and consisted of systemic endocrine therapy in 45.5% (n = 10), systemic chemo therapy in 9% (n = 2) or a combination of both in 45.5% (n = 10). In 14 (40%) cases a palliative radio therapy was administered. The initial tumor characteristics like tumor size, nodal state and grading were not of any prognostic relevance on a future development of metastasis. Prognostic unfortunate were a negative hormone receptor state (p < 0.001) and triple negative receptor state (n.s.). Patients with primary metastasis showed a tendency towards worse survival than patients who developed the metastasis during follow up (n.s.). If a systemic therapy was given the prognosis was significantly improved (p < 0.005). Conclusions: Patients suffering from metastatic male breast cancer had a comparatively good prognosis and showed significant benefit from systemic therapy in this study. In patients with negative receptor state and without systemic therapy the prognosis was especially worsened. Our data suggest that an up-to-date adequate systemic therapy is capable of improving survival in men with metastatic breast cancer. No significant financial relationships to disclose.

scholarly journals Reply to On the proportion of male breast cancer among all breast cancers

Cancer ◽  
2020 ◽  
Vol 126 (9) ◽  
pp. 2034-2035
Author(s):  
Siddhartha Yadav ◽  
Dhauna Karam ◽  
Irbaz Bin Riaz ◽  
Hao Xie ◽  
Urshila Durani ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Male Breast Cancer ◽  
Male Breast ◽  
Breast Cancers
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