title: Pseudogynecomastia secondary to injection of heroin into breast tissue.
abstract: A 50-year-old man who has a heroin addict developed bilateral, symmetrical swelling of the breasts as a result of injecting himself directly into the breasts for several years. Results of histologic examination of the breast tissue showed granulomatous inflammation and a foreign body reaction without gynecomastia or tumor. Liver and endocrine functions were generally normal.
mesh_terms: D001940:Breast / Q000473:pathology*; D005549:Foreign-Body Reaction / Q000209:etiology / Q000473:pathology; D006177:Gynecomastia / Q000209:etiology* / Q000473:pathology; D003932:Heroin / Q000008:administration & dosage*; D006556:Heroin Dependence / Q000150:complications*; D006801:Humans; D007279:Injections, Subcutaneous; D008297:Male; D008875:Middle Aged
chemical_list: D003932:Heroin