title: Acquired structural defects of the hair.
abstract: Acquired hair shaft abnormalities resembling genetic trichorrhexis nodosa were seen in two patients. Selenium shampoo and bacterial infection with trichomycosis axillaris may have been the contributing factors. There is a possibility that strongyloides larvae caused trichonodosis in one patient.
mesh_terms: D000328:Adult; D005260:Female; D006201:Hair Diseases / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D012643:Selenium / Q000009:adverse effects*; D014006:Tinea Capitis / Q000150:complications
chemical_list: D012643:Selenium