Course: Blue Pigmentation of the Skin, Sclera, and Teeth
CME Credits: 1.00
Released: 2021-11-09
A 69-year-old man presented with a 1-month history of progressive skin discoloration. His medical history included chronic kidney disease, chronic hepatitis C infection, cirrhosis, ischemic cardiomyopathy with an implantable cardioverter-defibrillator (ICD), and atrial fibrillation with prophylactic apixaban. He had recurrent staphylococcus bacteremia due to infection of an ICD lead and had been treated for the past 6 months with minocycline, 100 mg twice daily. His arms had been purple and bruise-like for several years but turned a near black color 1 month ago. He reported no discoloration of his sweat or urine. He had no history of malnutrition and reported infrequent alcohol use.
Educational Objective
Based on this clinical scenario and the accompanying image, understand how to arrive at a correct diagnosis.
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