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  • Title: Pancreaticobiliary maljunction without biliary dilatation in pediatric patients.
    Author: Miyake H, Fukumoto K, Yamoto M, Nomura A, Yamada S, Kanai R, Makino A, Urushihara N.
    Journal: Surg Today; 2022 Feb; 52(2):207-214. PubMed ID: 34146154.
    Abstract:
    PURPOSE: Pancreaticobiliary maljunction (PBM) without biliary dilatation is a condition in which dilatation of the bile duct is not seen in patients with PBM. Recently, the Japanese Study Group on Pancreaticobiliary Maljunction (JSGPM) published new diagnostic criteria for PBM. In these criteria, biliary dilatation is defined according to the standard diameter at each age. We reviewed cases of pediatric patients with PBM without biliary dilatation. METHODS: From 1992 to 2019, 134 patients with PBM were treated in our institution. Among these, 7 patients were retrospectively diagnosed with PBM without biliary dilatation. The clinical information was retrospectively assessed in these patients. RESULTS: Of the seven patients, six were female. All patients had symptoms similar to those of patients with congenital biliary dilatation. In all seven patients, the diagnosis of PBM was made before definitive surgery. Six patients had type B PBM, and one had type D PBM. All patients underwent extrahepatic bile duct resection and hepaticojejunostomy, and their symptoms resolved. One patient experienced postoperative complications of anastomotic leakage followed by anastomotic stricture. CONCLUSION: The present report revealed important clinical features of this entity. However, there are still some issues that need to be discussed, and further research is needed.
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