Snapshot A 43-year-old woman presents to the clinic for complaints of abdominal discomfort for the past 3 weeks. He reports some dull, 3/10 pain around the epigastric region especially after he eats. His past medical history is significant for 1 episode of gallstone pancreatitis 5 weeks ago. A physical examination demonstrates an abdominal mass at the epigastric region. Introduction Clinical definition login to view 3 more bullets Associated conditions login to view 5 more bullets Epidemiology Demographics login to view 2 more bullets ETIOLOGY Pathogenesis login to view 5 more bullets Presentation Symptoms login to view 5 more bullets Physical exam login to view 7 more bullets imaging Abdominal computed tomography (CT) with contrast login to view 2 more bullets Magnetic resonance imaging (MRI) login to view 2 more bullets Endoscopic ultrasound (EUS) login to view 3 more bullets Studies Diagnostic testing login to view 11 more bullets Differential Cystic neoplasm login to view 3 more bullets Treatment Most pseudocysts resolve without interference and require only supportive care First-line login to view 5 more bullets Second-line login to view 6 more bullets Third-line login to view 2 more bullets Complications Bleeding/hemorrhage login to view 1 more bullet GI obstruction Pseudocyst rupture Peritonitis