A 71-year-old male asked:
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gynecomastia breast tenderness has lasted over yr. mammogram findings normal/benign with f/u scheduled. is time abnormal. finasteride caused.

2 doctor answers
Dr. Gregory Lewis
43 years experience Urology
See answer: Finasteride-induced gynecomastia, either uni- or bi- lateral, is one of the potential side effects of Finasteride (f) that likely does not get the attention it deserves. Usually improves or resolves after stopping f but not always. Almost always benign, but rare cases of breast cancer have been reported. Usual treatment: observation only; surgery if bothersome; ?Anti-estrogen pill if painful.
Answered on Jun 25, 2014
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Dr. Michael Gabor
32 years experience Diagnostic Radiology
I'm not exactly: sure of the question, but there are several stages of gynecomastia, and each can look different on the mammogram. So you can have gynecomastia, and the mammogram can look different in a year, without invoking any new pathology.
Answered on Jul 25, 2014

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