- Cystoperitoneal Shunting after Fenestration of an Enlarging Arachnoid Cyst.
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Ik Chan Jeon, Min Su Kim, Seong Ho Kim, Sung Ho Jang
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Yeungnam Univ J Med. 2008;25(2):160-164. Published online December 31, 2008
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DOI: https://doi.org/10.12701/yujm.2008.25.2.160
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 Abstract
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- A two-month-old girl with a history of an incidental arachnoid cyst in the prenatal period (38 weeks) presented with persistent irritability. A follow-up computed tomographic (CT) scan revealed an enlarged arachnoid cyst with hydrocephalus. We performed craniotomy and fenestration, but the cyst size did not decrease, and hydrocephalus had worsened on a follow-up CT scan performed 13 months after fenestration. The patient was treated with cystoperitoneal shunting. Follow-up magnetic resonance imaging (MRI) performed 5 years later revealed that the arachnoid cyst had decreased in size and that the hydrocephalus had resolved. Enlarging arachnoid cysts are not common, and optimal surgical treatment is uncertain. Based on the features of this case, we believe cystoperitoneal shunting is an advisable surgical intervention for patients with enlarging arachnoid cysts presenting with hydrocephalus.
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Yeungnam University College of Medicine
