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INTRODUCTION: Intrahepatic and extrahepatic lithiasis, a condition characterized by the presence of stones in the liver and bile ducts, is a common disease in Asia, particularly in East and Southeast Asia. We report a case with laparoscopic exploration of the common bile duct using a flexible cholangioscope and modified trans-common bile duct tunnel for hepatolithiasis combined with the dilated common bile duct. PRESENTATION OF CASE: A 35-year-old male patient has had chronic epigastric and right upper quadrant pain. The common bile duct was 11 mm dilated, and hepatolithiasis was also present, according to an upper abdomen MRI. The largest stone measured between 14 and 21 mm. A modified trans-common bile duct tunnel from the abdominal wall into the common bile duct was used in a laparoscopic procedure to examine the common bile duct. Complications during the procedure or following it were not present. The procedure took 120 min, and the blood loss was about 50 ml. The patient was discharged on the sixth postoperative day, and a follow-up visit one month later revealed that single-session stone clearance had been accomplished. DISCUSSION: Laparoscopic exploration of the common bile duct using a cholangioscope and modified trans-choledochal tube is applicable in selected patients and can be effectively and safely used to treat hepatolithiasis combined with the dilated common bile duct. CONCLUSION: In this case, we present an innovative approach for hepatolithiasis when combined with dilated common bile duct.
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BACKGROUND: Our study aims to evaluate the biliary anatomy variation according to the Varotti classification and its correlation with surgical outcomes for both donors and recipients undergoing living donor liver transplants (LDLTs). METHODS: A retrospective analysis of 150 LDLT cases performed at a single center in Vietnam with preoperative radiologic evaluations and intraoperative surgical assessments to identify biliary variant anatomy. Postoperative biliary complications were documented and analyzed. Statistical analysis was performed to determine any significant associations between biliary variations and post-transplant outcomes. RESULTS: One hundred fifty cases of LDLT at 108 Military Central Hospital from October 2017 to December 2022 were included in our study. Among the donors, the mean age was 30.89 ± 7.23, with male predominance (77.3%). The prevalence of type 1 biliary anatomy was 84.67%. Type 2, 3a, 3b, 4a, and 4b accounted for 5.33%, 2.67%, 5.33%, 0.67%, and 1.33% of cases, respectively. Donors' complications were witnessed in 7 cases (4.67%), and all needed intervention (Clavien-Dindo grade 3). Biliary complications were found in 36 (24.0%) recipients, with 22 (14.67%) cases of biliary stenosis and 16 (10.67%) cases of biliary leak, including 2 cases encountering both complications. Age, gender, graft type, preoperative liver function, biliary variant anatomy, number of graft orifices, Model for End-Stage Liver Disease score, and blood loss were not significant risk factors for recipients' biliary complications. Cold ischemia time significantly increased the biliary complication rate. CONCLUSIONS: This study shows that biliary variant anatomy is common in living liver donors. Such variations should not be a contraindication to liver donation. However, accurate pre- and intraoperative radiologic and surgical evaluations are fundamental for a careful reconstruction plan.