Surg Neurol
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A case of mutism after removal of a vermian medulloblastoma from a 4-year-old girl is reported. Postoperatively, the patient was mute without disturbance of consciousness, language comprehension, or lower cranial nerve function. ⋯ The mutism lasted for 78 days, followed by a period of dysarthria, but she gradually became fluent. The mechanism of "cerebellar mutism" is briefly discussed.