A CASE OF PRIMARY MALE BREAST CANCER FOLLOWING ENDOCRINE THERAPY FOR PROSTATE CANCER

PURPOSE To develop recommendations concerning the management of male breast cancer. METHODS ASCO convened an Expert Panel to develop recommendations based on a systematic review and a formal consensus process. RESULTS Twenty-six descriptive reports or observational studies met eligibility criteria and formed the evidentiary basis for the recommendations. RECOMMENDATIONS Many of the management approaches used for men with breast cancer are like those used for women. Men with hormone receptor–positive breast cancer who are candidates for adjuvant endocrine therapy should be offered tamoxifen for an initial duration of five years; those with a contraindication to tamoxifen may be offered a gonadotropin-releasing hormone agonist/antagonist plus aromatase inhibitor. Men who have completed five years of tamoxifen, have tolerated therapy, and still have a high risk of recurrence may be offered an additional five years of therapy. Men with early-stage disease should not be treated with bone-modifying agents to prevent recurrence, but could still receive these agents to prevent or treat osteoporosis. Men with advanced or metastatic disease should be offered endocrine therapy as first-line therapy, except in cases of visceral crisis or rapidly progressive disease. Targeted systemic therapy may be used to treat advanced or metastatic cancer using the same indications and combinations offered to women. Ipsilateral annual mammogram should be offered to men with a history of breast cancer treated with lumpectomy regardless of genetic predisposition; contralateral annual mammogram may be offered to men with a history of breast cancer and a genetic predisposing mutation. Breast magnetic resonance imaging is not recommended routinely. Genetic counseling and germline genetic testing of cancer predisposition genes should be offered to all men with breast cancer.

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A Synchronous Diagnosis of Metastatic Male Breast Cancer and Prostate Cancer

Journal of Investigative Medicine High Impact Case Reports ◽

10.1177/2324709619847230 ◽

2019 ◽

Vol 7 ◽

pp. 232470961984723

Author(s):

Leila Moosavi ◽

Phyllis Kim ◽

An Uche ◽

Everardo Cobos

Keyword(s):

Breast Cancer ◽

Prostate Cancer ◽

Male Breast Cancer ◽

Breast Cancer Diagnosis ◽

Male Breast ◽

Breast Mass ◽

Medical Attention ◽

Cancer History ◽

History Of ◽

The Right

In this article, we present a patient diagnosed synchronously with metastatic male breast cancer and prostate cancer. This is a 63-year-old male and recent immigrant from Nigeria, who sought medical attention for progressively worsening of shortness of breath and acute progression of a chronic right breast mass. An invasive breast carcinoma was diagnosed by the core biopsy of the right breast mass. Within 2 months of his breast cancer diagnosis, the patient also was diagnosed with prostate adenocarcinoma after being worked up for urinary retention. By presenting this patient with a synchronous diagnosis with metastatic male breast cancer and prostate cancer, history of chronic right breast mass, and gynecomastia, we speculate on possible cancer etiologies and risk factors.

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