Publication:

Unusual presentation of pancreatic pseudocyst as a psoas abscess

A chronic collection of pancreatic fluid (rich in amylase, lipase and enterokinase) surrounded by a nonepithelialized wall of granulation tissue and fibrosis is referred to as a pseudocyst. Though most frequent loacation is the lesser peritoneal sac, 20% are located at extra pancreatic sites like pleura, mediastinum, pelvis, spleen, liver and perinephric space. Rarely, it can be present as a psoas abscess and this type of presentation is common in middle aged men who are chronic alcoholic. Recent history of pancreatitis may be present. CECT whole abdomen is initial investigation of choice. Presence of high level of amylase and lipase in the aspirate from psoas abscess is confirmatory for the diagnosis.