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Updated: May 29, 2026

Generating a Murine Orthotopic Metastatic Breast Cancer Model and Performing Murine Radical Mastectomy
Published on: November 29, 2018
Breast cancer in males
Luis Tallón-Aguilar1, Isabelo Serrano-Borrero, Marta López-Porras
1Unidad de Patología Mamaria, Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario Virgen del Rocío, Sevilla, España. ltallona@hotmail.com
Male breast cancer is rare, with distant metastasis being the primary factor influencing survival. This study analyzed 32 male breast cancer cases from 1997-2008 to identify survival determinants.
Area of Science:
- Oncology
- Men's Health
Background:
- Male breast cancer (MBC) is rare, accounting for less than 1% of all breast cancers.
- Historically, MBC has been associated with poorer prognosis compared to female breast cancer, often due to delayed diagnosis.
Purpose of the Study:
- To analyze a series of male breast cancer cases.
- To identify factors influencing survival in male breast cancer patients.
Main Methods:
- Retrospective study of 32 male patients diagnosed with breast cancer between 1997 and 2008.
- Analysis included epidemiological data, tumor characteristics, treatment regimens, and survival outcomes.
- Key factors analyzed were age, personal/family history, tumor size, grade, type, stage, receptor status, surgical technique, and adjuvant therapy.
Main Results:
- Male breast cancer constituted 0.9% of all breast cancers treated.
- The average patient age was 66.84 years; only 9.3% presented with gynecomastia.
- Histologically, 90% were infiltrating ductal carcinoma. 59.25% were diagnosed at early stages (I-II).
- Aggressive surgical techniques were more common (74.19%) than conservative ones (19.36%).
- With a median follow-up of 52.82 months, the mortality rate was 16%.
- The presence of distant metastasis was the sole statistically significant factor impacting survival.
Conclusions:
- Male breast cancer is infrequent, and limited literature hinders gender-specific insights.
- Conservative surgical procedures are underutilized, though their use has increased.
- Distant metastasis emerged as the primary determinant of survival in this cohort.
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