• Th Birbilis, K Kontogianidis, G Matis, E Theodoropoulou, E Efremidou, and P Argyropoulou.
• Department of Neurosurgery, University Hospital of Alexandroupolis, Democritus University of Thrace Medical School, Alexandroupolis, Greece. mpirmpil@otenet.gr
• Chirurgia Bucharest. 2008 May 1; 103 (3): 351-3.

AbstractThe abdominal intraperitoneal cerebrospinal fluid pseudocyst is a rare but important complication in patients with ventriculoperitoneal shunts. We report a case of a 31-year-old female, in which a large abdominal pseudocyst was developed 1 year after insertion of a ventriculoperitoneal shunt for hydrocephalus. The abdominal CT scan and the ultrasonographical evaluation of the abdomen showed a well defined, cystic mass lesion with a volume of 50 cm3, in the recessus hepato-renal. The peritoneal tip of the shunt was located within the mass lesion. A distal externalization of the peritoneal catheter without excision of the pseudocyst was performed. Cerebrospinal fluid culture demonstrated a Staphylococcus epidermis infection and adequate antibiotic treatment was administrated. The previous symptoms improved 4 weeks later and a new catheter was placed intraperitoneally in a different quadrant. The postoperative course was uneventful. We suggest that chronic inflammation or subclinical peritonitis is a predisposing factor for this complication.

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