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✓ Of 150 children undergoing surgery for cerebellar astrocytoma, 20% had evidence of postoperative hydrocephalus. This was manifested by either progressive symptomatic rise in intracranial pressure or abnormal mental and motor states accompanied by normal CSF pressure. This syndrome is presumed to be due to cisternal and subarachnoid adhesions formed after surgery. Prompt shunting in advanced cases resulted in reversal of neurological abnormalities.
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Stein et al. (1972) studied this question.
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