Lumbar puncture and epidermoid tumours.
D002294:Carcinoma, Squamous Cell / Q000209:etiology* / Q000517:prevention & control; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D009339:Needles; D013120:Spinal Cord Neoplasms / Q000209:etiology* / Q000517:prevention & control; D013129:Spinal Puncture / Q000009:adverse effects* / Q000295:instrumentation