What is your diagnosis?
A 57-year-old female presents with an eruption of slightly painful lesions on her back. She has been feeling general malaise for 1-2 weeks with a sore throat, headache, mild cough and rhinorrhea. She notes her joints ache diffusely,...
Board Review question
A young child has sparse, hypopigmented, brittle hair with lethargy and hypertonia. Microscopic examination of a hair shaft reveals flattened hairs that are rotated 180 degrees along their long axis at regular intervals. What is the most likely diagnosis?