title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 17-1986. An 18-year-old man with cutaneous ulcers and bilateral pulmonary infiltrates.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy; D000293:Adolescent; D003520:Cyclophosphamide / Q000627:therapeutic use; D014890:Granulomatosis with Polyangiitis / Q000139:chemically induced / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology*; D006801:Humans; D015474:Isotretinoin; D008168:Lung / Q000473:pathology*; D008297:Male; D009336:Necrosis; D011241:Prednisone / Q000627:therapeutic use; D012867:Skin / Q000473:pathology; D012883:Skin Ulcer / Q000188:drug therapy / Q000473:pathology*; D014212:Tretinoin / Q000009:adverse effects / Q000627:therapeutic use
chemical_list: D014212:Tretinoin; D003520:Cyclophosphamide; D015474:Isotretinoin; D011241:Prednisone