Epidermoid spinal cord tumors and previous lumbar punctures.
D002648:Child; D002781:Cholesteatoma / Q000209:etiology*; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae; D008297:Male; D013118:Spinal Cord Diseases / Q000209:etiology*; D013129:Spinal Puncture / Q000009:adverse effects*