title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 15-1977.
mesh_terms: D000293:Adolescent; D001932:Brain Neoplasms / Q000175:diagnosis / Q000473:pathology*; D001933:Brain Stem; D003937:Diagnosis, Differential; D004678:Encephalomalacia / Q000175:diagnosis; D005909:Glioblastoma / Q000175:diagnosis / Q000473:pathology*; D005910:Glioma / Q000175:diagnosis; D006801:Humans; D008297:Male; D008636:Mesencephalon; D009103:Multiple Sclerosis / Q000175:diagnosis; D011149:Pons; D011596:Psychomotor Disorders / Q000175:diagnosis