Acanthosis nigricans and hypovitaminosis A. response to topical vitamin A acid.
D000052:Acanthosis Nigricans / Q000150:complications / Q000188:drug therapy / Q000473:pathology*; D000287:Administration, Topical; D000293:Adolescent; D002493:Central Nervous System Diseases / Q000150:complications; D004240:Diverticulum / Q000150:complications; D005260:Female; D005767:Gastrointestinal Diseases / Q000150:complications; D006801:Humans; D012867:Skin / Q000473:pathology; D013497:Sural Nerve / Q000473:pathology; D014212:Tretinoin / Q000627:therapeutic use*; D014801:Vitamin A / Q000031:analogs & derivatives* / Q000097:blood; D014802:Vitamin A Deficiency / Q000097:blood / Q000150:complications* / Q000188:drug therapy
D014801:Vitamin A; D014212:Tretinoin