Case report: Unraveling a unique case of male occult breast cancer with axillary intricacies and a comprehensive literature dive

Male breast cancer is a rare neoplasm, accounting for approximately 1% of all breast cancer cases. It typically presents as a painless, retroareolar mass. An exceedingly rare variant is male occult breast cancer, which is primarily characterized by axillary lymph node enlargement without an identifi...

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Main Authors: Xintong Xie, Xiangyi Kong, Hongnan Jiang, Jidong Gao
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-02-01
Series:Frontiers in Oncology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fonc.2025.1374032/full
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author Xintong Xie
Xiangyi Kong
Xiangyi Kong
Hongnan Jiang
Jidong Gao
Jidong Gao
author_facet Xintong Xie
Xiangyi Kong
Xiangyi Kong
Hongnan Jiang
Jidong Gao
Jidong Gao
author_sort Xintong Xie
collection DOAJ
description Male breast cancer is a rare neoplasm, accounting for approximately 1% of all breast cancer cases. It typically presents as a painless, retroareolar mass. An exceedingly rare variant is male occult breast cancer, which is primarily characterized by axillary lymph node enlargement without an identifiable primary breast tumor. We report an intriguing case of a septuagenarian patient diagnosed with male occult breast cancer. The patient presented with both axillary lymph node enlargement and an associated axillary skin ulcer, and was subsequently diagnosed with male occult breast cancer with metastases to the axillary and clavicular lymph nodes, as well as more distant sites. His treatment involved a multidisciplinary approach, including HER2-targeted therapy, chemotherapy, axillary lymph node dissection, and radiotherapy. Regular follow-ups have shown that his condition remains stable. Notably, this is the first documented case of male occult breast cancer with distant metastasis that was successfully treated with surgery and radiotherapy following systemic therapy. This case highlights the complex clinical presentation and management of male occult breast cancer. Our findings suggest that surgical intervention may be a feasible option post-downstaging by systemic therapy, even in the presence of distant metastases.
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publisher Frontiers Media S.A.
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series Frontiers in Oncology
spelling doaj-art-c249c4820102465fa0d5a2a8072fc9372025-02-11T10:59:34ZengFrontiers Media S.A.Frontiers in Oncology2234-943X2025-02-011510.3389/fonc.2025.13740321374032Case report: Unraveling a unique case of male occult breast cancer with axillary intricacies and a comprehensive literature diveXintong Xie0Xiangyi Kong1Xiangyi Kong2Hongnan Jiang3Jidong Gao4Jidong Gao5Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, ChinaDepartment of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, ChinaDepartment of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, ChinaDepartment of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, ChinaDepartment of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, ChinaDepartment of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, ChinaMale breast cancer is a rare neoplasm, accounting for approximately 1% of all breast cancer cases. It typically presents as a painless, retroareolar mass. An exceedingly rare variant is male occult breast cancer, which is primarily characterized by axillary lymph node enlargement without an identifiable primary breast tumor. We report an intriguing case of a septuagenarian patient diagnosed with male occult breast cancer. The patient presented with both axillary lymph node enlargement and an associated axillary skin ulcer, and was subsequently diagnosed with male occult breast cancer with metastases to the axillary and clavicular lymph nodes, as well as more distant sites. His treatment involved a multidisciplinary approach, including HER2-targeted therapy, chemotherapy, axillary lymph node dissection, and radiotherapy. Regular follow-ups have shown that his condition remains stable. Notably, this is the first documented case of male occult breast cancer with distant metastasis that was successfully treated with surgery and radiotherapy following systemic therapy. This case highlights the complex clinical presentation and management of male occult breast cancer. Our findings suggest that surgical intervention may be a feasible option post-downstaging by systemic therapy, even in the presence of distant metastases.https://www.frontiersin.org/articles/10.3389/fonc.2025.1374032/fullmale breast canceroccult breast cancersystemic therapyanti-HER2 targeted therapysurgery treatment
spellingShingle Xintong Xie
Xiangyi Kong
Xiangyi Kong
Hongnan Jiang
Jidong Gao
Jidong Gao
Case report: Unraveling a unique case of male occult breast cancer with axillary intricacies and a comprehensive literature dive
Frontiers in Oncology
male breast cancer
occult breast cancer
systemic therapy
anti-HER2 targeted therapy
surgery treatment
title Case report: Unraveling a unique case of male occult breast cancer with axillary intricacies and a comprehensive literature dive
title_full Case report: Unraveling a unique case of male occult breast cancer with axillary intricacies and a comprehensive literature dive
title_fullStr Case report: Unraveling a unique case of male occult breast cancer with axillary intricacies and a comprehensive literature dive
title_full_unstemmed Case report: Unraveling a unique case of male occult breast cancer with axillary intricacies and a comprehensive literature dive
title_short Case report: Unraveling a unique case of male occult breast cancer with axillary intricacies and a comprehensive literature dive
title_sort case report unraveling a unique case of male occult breast cancer with axillary intricacies and a comprehensive literature dive
topic male breast cancer
occult breast cancer
systemic therapy
anti-HER2 targeted therapy
surgery treatment
url https://www.frontiersin.org/articles/10.3389/fonc.2025.1374032/full
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