Traumatic extradural cysts of the spine.
D003560:Cysts / Q000209:etiology*; D005260:Female; D006801:Humans; D007796:Laminectomy / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D009192:Myelography; D013122:Spinal Diseases / Q000209:etiology*; D013124:Spinal Injuries / Q000150:complications*