title: An unusual neoplasm of the cauda equina with gangliomatous and ependymomatous elements.
abstract: A unique intradural neoplasm of the cauda equina is presented. The tumor was composed of two neoplastic populations: ependymal cells in a papillary pattern and ganglion cells occurring individually or in clusters. The patient remains asymptomatic 1 year after resection of the tumor.
mesh_terms: D000328:Adult; D002420:Cauda Equina / Q000473:pathology; D004806:Ependymoma / Q000473:pathology*; D006801:Humans; D008297:Male; D009447:Neuroblastoma / Q000473:pathology*; D010524:Peripheral Nervous System Neoplasms / Q000473:pathology*