“…In our series, the CSF pseudocyst was a common cause of distal shunt failure. CSF pseudocysts are generally rare, being reported in only 2.04-4.5% of cases with VP shunt [31,32]. Although the pathophysiology of CSF pseudocysts is under debate, the reported risk factors are represented by septic complications, history of abdominal surgery, repetitive distal shunt failures, previous CSF pseudocysts, hyperproteinnorrachia, fluid malabsorption of the peritoneum, and allergy to silicone [33,34].…”