title: Case records of the massachusetts general hospital. Weekly clinicopathological exercises. Case 12-1977.
mesh_terms: D000293:Adolescent; D001707:Biopsy, Needle; D001853:Bone Marrow / Q000473:pathology; D003937:Diagnosis, Differential; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D008206:Lymphatic Diseases / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D010997:Pleural Neoplasms / Q000473:pathology; D012878:Skin Neoplasms / Q000473:pathology