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  • Title: Surgical treatment of 95 children with 102 intracranial arachnoid cysts.
    Author: Fewel ME, Levy ML, McComb JG.
    Journal: Pediatr Neurosurg; 1996 Oct; 25(4):165-73. PubMed ID: 9293543.
    Abstract:
    Our review of 95 children with 102 intracranial arachnoid cysts treated surgically from 1976 to 1996 is presented. These patients are divided into two groups, those initially treated from 1976 to 1986 and those treated from 1987 to May 1996, to see whether any improvement in outcome had occurred. There were 31 patients (20 males/11 females) with 34 cysts treated from 1976 to 1986 and 64 patients (45 males/19 females) with 68 cysts treated from 1987 to 1996. The mean age at presentation for all cases was 4.9 years (range from 3 days to (7.8 years). The most common cyst location was the middle fossa. Treatment options for the management of intracranial arachnoid cysts include fenestration or shunting. We consider the avoidance of a shunt as a primary goal in the management of these patients. Accordingly, 82 (80%) of the cysts in our series were treated initially by fenestration. Fifty percent of those initially fenestrated from 1976 to 1986 required no further treatment as compared with 60% fenestrated from 1987 to 1996. The success rate of fenestration among those patients without associated hydrocephalus was significantly higher than in those with hydrocephalus; 73% without hydrocephalus required no additional treatment versus 32% with hydrocephalus. Seventeen percent of the patients treated from 1976 to 1986 required a subsequent ventriculoperitoneal shunt as compared with 22% treated from 1987 to 1996. Twenty-nine percent of those patients initially fenestrated from 1976 to 1986 required a subsequent cystoperitoneal shunt as compared with only 12% treated from 1987 to 1996. Although not statistically significant, the second group of patients had a lower rate of reoperation, fewer complications, and a better clinical outcome than the first group. We recommend that in patients without evidence of hydrocephalus, cyst fenestration be considered as the primary procedure, as 73% of the patients in the two series remain shunt free. In those patients with hydrocephalus, we still recommend cyst fenestration, but with a ventriculoperitoneal shunt inserted before fenestration if the hydrocephalus is marked or after fenestration if the hydrocephalus is progressive.
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