Type III choledochal cyst confirmed by aspiration and treated with endoscopic fenestration plus internal drainage: A case report

Figure 1 Imaging of the patient prior to treatment. A: Magnetic resonance imaging revealed a duodenal cyst with normal bile and pancreatic ducts; B: Endoscopy revealed a cystic mass in the descending part of the duodenum; C: Endoscopic ultrasonography revealed a homogeneous hypoecho without blood flow; D: The duodenal papilla was pressed, and the bile flowed out under endoscopy. BD: Bile duct; PD: Pancreatic ducts.

Figure 2 Images during patient treatment and follow-up. A: Clear yellow liquid was aspirated from the cyst; B: Fenestration of the mucosa; C: Closure of the incision with tissue clips; D: Gastroduodenoscopy showed good recovery without recurrence three months after treatment.