A 55 year old man was undergoing oestrogen treatment for his prostatic adenocarcinoma.He noticed bilateral swelling in his breasts.Because of the cosmetic nature of the disorder,the bilateral breast tissue was removed,and a representative section is shown in the accompanying photomicrograph.Which one of the following is the best diagnosis?

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Quizplus · Accepted Answer

The male breast can,rarely,develop carcinomAHowever,the bilateral nature of the process,in this case,suggests a benign origin.The male breast does not have glandular or lobular tissue,only fibrous stroma (F)and ducts (D).Gynaecomastia is simply an increase in the normal amount of this stromAIt is considered completely benign.

A 55 Year Old Man Was Undergoing Oestrogen Treatment for His