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We describe a laparoscopic surgical technique using indocyanine green (ICG) fluorescence to identify and preserve rare arterial branching associated with pediatric congenital biliary dilatation. Congenital biliary dilatation with pancreaticobiliary maljunction was diagnosed in a 9-year-old girl, who presented with upper abdominal pain. Abdominal enhanced computed tomography (CT) showed that the accessory right hepatic artery (aRHA) branched from the posterior superior pancreaticoduodenal artery (PSPDA) and flowed through the right aspect of the dilated common bile duct (CBD) directly into the right lobe of the liver. We performed laparoscopic dilated biliary duct resection and hepaticojejunostomy, administering ICG intravenously, at a dose of 0.6 mg/kg. The ICG fluorescence overlay mode showed an aRHA running along the right side of the dilated CBD. The aRHA was dissected from the CBD without injury. After finishing the anastomosis, the beating of the aRHA was preserved, confirming that blood flow had been maintained. [ABSTRACT FROM AUTHOR]

Introduction: In recent years, dome resection, which preserves the splenic immunological function, has been the primary technique used to treat splenic cysts. We herein report a surgical technique using a needle grasper and indocyanine green (ICG) fluorescence to perform dome resection of a huge nonparasitic splenic cyst in a pediatric patient. Patient and Surgical Technique: A 13‐year‐old girl was incidentally diagnosed with a splenic cyst during follow‐up for scoliosis. Abdominal enhanced computed tomography (CT) showed a 17 × 14 × 14 cm unifocal cyst. Laparoscopic dome resection was planned. The intraoperative findings showed that the spleen was distended, but there was no apparent prominence of the thin cyst wall on the surface of the spleen. An ICG fluorescence camera overlay revealed poor coloration in the thinning area. We punctured the area and aspirated the cyst contents. We grasped the cyst wall with a percutaneous needle grasper and dissected the cyst wall with a vessel sealing system. We placed anti‐adhesion agent at the dissection line to prevent recurrence. Discussion: ICG fluorescence was useful for identifying the thinning area of a splenic cyst. The use of a percutaneous needle grasper facilitated the performance of dome resection of a huge splenic cyst in a pediatric patient with minimal invasiveness and an improved cosmetic outcome. [ABSTRACT FROM AUTHOR]