Congenital cervical ependymal cyst. Report of a case with symptoms precipitated by injury.
D000293:Adolescent; D002574:Cervical Vertebrae / Q000002:abnormalities*; D003560:Cysts / Q000151:congenital*; D004805:Ependyma; D006801:Humans; D008297:Male; D009192:Myelography; D013115:Spinal Canal