Treatment of a pancreatic pseudocyst by endoscopic placement of stents

(A) MRI in an 8-year-old boy with L-asparaginase-induced acute pancreatitis that was complicated by a symptomatic pancreatic pseudocyst (arrow).
(B) ERCP showing successful placement of a lumen-apposing metal stent (thick arrow) and a plastic double-pigtail stent inside. The stent placement was guided by endoscopic ultrasound.