title: A fifty-year-old man with skin pigmentation, arthritis, chronic renal failure and methemoglobinemia.
mesh_terms: D000474:Alkaptonuria / Q000235:genetics* / Q000473:pathology; D001168:Arthritis / Q000473:pathology*; D006801:Humans; D007676:Kidney Failure, Chronic / Q000473:pathology*; D008297:Male; D008708:Methemoglobinemia / Q000473:pathology*; D008875:Middle Aged; D009794:Ochronosis / Q000473:pathology*