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Peroral cholangioscopic treatment of hepatolithiasis: Long-term results
Tadahiro Okugawa1, Toshio Tsuyuguchi, Sudhamshu K C
1Department of Medicine and Clinical Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan.
Background:
Peroral cholangioscopic lithotomy is an effective treatment for extrahepatic bile duct stones. However, an evaluation of the usefulness and long-term results of peroral cholangioscopic lithotomy for hepatolithiasis has not been reported. The aim of this study was to evaluate the usefulness and long-term results of peroral cholangioscopic lithotomy for hepatolithiasis.
Methods:
From August 1987 to July 1998, 36 consecutive patients underwent peroral cholangioscopic lithotomy for hepatolithiasis; 34 were followed for a mean of 93 months (range, 14 to 164 months).
Results:
The rate of complete stone removal was 64%; the morbidity rate was 2.8%. The recurrence rate for patients in whom stones were completely removed was 21.7%. Two patients (5.9%) had cholangiocarcinoma develop during follow-up.
Conclusion:
Although incomplete stone removal and recurrence are common, peroral cholangioscopic lithotomy is a sufficiently safe and effective method for the treatment of hepatolithiasis.