Intraspinal tumors (epidermoid) resulting from lumbar punctures with open needles.
D002648:Child; D003560:Cysts / Q000209:etiology*; D004814:Epidermal Cyst / Q000209:etiology; D006801:Humans; D008297:Male; D008722:Methods; D009408:Nerve Compression Syndromes / Q000209:etiology; D013118:Spinal Cord Diseases / Q000209:etiology*; D013127:Spinal Nerves; D013129:Spinal Puncture / Q000009:adverse effects*