BACKGROUND: Infiltrating MBC represents less than 1% of all male cancers. Our study details clinico-pathological features, treatments and prognostic factors in a large French cohort. MATERIAL AND METHODS: Four hundred and eighty-nine patients were collected from 1990 to 2005. Median age was 66 years (34% over 70 years) and median follow-up 58 months. RESULTS: According to TN classification, we found T(1): 39%, T(2): 41%, T(3)T(4): 9%, T(x): 11% and N(1)N(2): 27%. Lumpectomy (L) and mastectomy (M) were performed in 8.6% and 91.4% of the cases. Axillary dissection (AD), sentinel node biopsy or both were performed in 90%, 2% and 5% of the cases, respectively. Ninety-five percent of tumours were ductal carcinomas; 47% were pT(1), 20% pT(2) and 33% pT(3)-T(4). Axillary nodal involvement was present in 52.8% cases. ER and PgR were positive in 92% and 89% cases. Radiotherapy (RT) was performed in 85% of the patients. Hormonal treatment (HT) was delivered in 72% of the cases. Tamoxifen and aromatase inhibitors were used in 85% and 12% of the cases; 34% of the patients received chemotherapy (CT). Local recurrence (LR), nodal recurrences (NR) and metastases occurred in 2%, 5% and 22% of the cases; 2% and 10% developed contralateral BC and second cancer. The 5- and 10-year overall survival (OS) rates were 81% and 59%; disease-specific survivals (DSS) were 89% and 72%. Death causes were BC 56%, second cancer 8%, complications 3%, intercurrent disease 15% and unknown 18%. In a univariate analysis, metastatic risk factors were T stage (T1: 19%, T(2): 26%, T(3)T(4): 40%; p=0.013), pN status (pN(0): 12% pN(1-3): 26% pN(>3): 44%; p<0.0001) and presence of locoregional recurrence (62% versus 18% p<0.0001). In a multivariate analysis, axillary nodal involvement and high SBR remain prognostic factors. CONCLUSION: Earlier diagnosis and wide use of adjuvant treatments (RT/HT/CT) widely decreased LR and increased survival rates in MBC, reaching female ones. Prognostic factors were also very similar to female ones. Copyright 2009 Elsevier Ireland Ltd. All rights reserved.
BACKGROUND: Infiltrating MBC represents less than 1% of all male cancers. Our study details clinico-pathological features, treatments and prognostic factors in a large French cohort. MATERIAL AND METHODS: Four hundred and eighty-nine patients were collected from 1990 to 2005. Median age was 66 years (34% over 70 years) and median follow-up 58 months. RESULTS: According to TN classification, we found T(1): 39%, T(2): 41%, T(3)T(4): 9%, T(x): 11% and N(1)N(2): 27%. Lumpectomy (L) and mastectomy (M) were performed in 8.6% and 91.4% of the cases. Axillary dissection (AD), sentinel node biopsy or both were performed in 90%, 2% and 5% of the cases, respectively. Ninety-five percent of tumours were ductal carcinomas; 47% were pT(1), 20% pT(2) and 33% pT(3)-T(4). Axillary nodal involvement was present in 52.8% cases. ER and PgR were positive in 92% and 89% cases. Radiotherapy (RT) was performed in 85% of the patients. Hormonal treatment (HT) was delivered in 72% of the cases. Tamoxifen and aromatase inhibitors were used in 85% and 12% of the cases; 34% of the patients received chemotherapy (CT). Local recurrence (LR), nodal recurrences (NR) and metastases occurred in 2%, 5% and 22% of the cases; 2% and 10% developed contralateral BC and second cancer. The 5- and 10-year overall survival (OS) rates were 81% and 59%; disease-specific survivals (DSS) were 89% and 72%. Death causes were BC 56%, second cancer 8%, complications 3%, intercurrent disease 15% and unknown 18%. In a univariate analysis, metastatic risk factors were T stage (T1: 19%, T(2): 26%, T(3)T(4): 40%; p=0.013), pN status (pN(0): 12% pN(1-3): 26% pN(>3): 44%; p<0.0001) and presence of locoregional recurrence (62% versus 18% p<0.0001). In a multivariate analysis, axillary nodal involvement and high SBR remain prognostic factors. CONCLUSION: Earlier diagnosis and wide use of adjuvant treatments (RT/HT/CT) widely decreased LR and increased survival rates in MBC, reaching female ones. Prognostic factors were also very similar to female ones. Copyright 2009 Elsevier Ireland Ltd. All rights reserved.
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