title: Brainstem tumor presenting with unilateral astereognosis.
abstract: A patient with a brainstem tumor presented with astereognosis. The results of CT scan, evoked response studies, and neuropsychological tests all were consistent with a noncortical origin for the sensory defect.
mesh_terms: D000293:Adolescent; D001932:Brain Neoplasms / Q000175:diagnosis*; D001933:Brain Stem / Q000503:physiopathology; D004292:Dominance, Cerebral / Q000502:physiology; D005260:Female; D006801:Humans; D010468:Perceptual Disorders / Q000209:etiology*; D013236:Stereognosis / Q000502:physiology*