Neurologia medico-chirurgica
Online ISSN : 1349-8029
Print ISSN : 0470-8105
ISSN-L : 0470-8105
Intra-abdominal Cyst Following Revision of Ventriculoperitoneal Shunt
—Case Report—
Kohsuke YAMASHITAYasuhiro YONEKAWATeruaki KAWANOIkuo IHARAWaro TAKIAkira KOBAYASHIYutaka HANDAYasuhiko KAKU
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1990 Volume 30 Issue 10 Pages 748-752

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Abstract

An intra-abdominal cyst is a rare complication of ventriculoperitoneal (VP) shunt. A 19-year-old male was admitted complaining of abdominal pain and distension, dysuria, constipation, headache, and fever. He had undergone a VP shunt for obstructive hydrocephalus caused by a cerebellar astrocytoma 16 years earlier, and had received shunt revision twice, 5 years and 3 months earlier, respectively. Examination on admission revealed neck stiffness, early papilledema, a mass in the lower abdomen, and abdominal muscular guarding with rebound tenderness. Laboratory studies showed leukocytosis of the peripheral blood and pleocytosis of the cerebrospinal fluid (CSF). Abdominal ultrasonograms and computed tomographic scans demonstrated a cystic lesion. Under the diagnosis of meningitis and local peritonitis with an intra-abdominal cyst, we sistemically administered antibiotics and externalized the shunt. However, since the cyst fluid could not be aspirated through the abdominal catheter, it was exchanged with a flexible catheter under fluoroscopic control, according to Seldinger's method. A total of 400 ml of cyst fluid was drained. Staphylococcus epidermidis was detected in both the cyst fluid and the CSF. After meningitis subsided, repositioning of the abdominal catheter into the other side of the abdomen was performed but resulted in shunt malfunction and meningitis due to the same organisms. After meningitis again subsided, the VP shunt was converted to a ventriculoatrial shunt. The clinical course was uneventful thereafter.

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© The Japan Neurosurgical Society
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