간문부암에 대한 외과적 치료의 최신 지견

Abstract

Cholangiocarcinomas originate from the bile duct mucosa and can occurat any level of the biliary tract. Approximately 40 to 60% of cases arefound at the hilar level.-Currently, a curative surgical resection is theonly treatment method. The surgical treatments of a hilarcholangiocarcinoma are challenging but the diagnostic accuracy hasimproved with the better preoperative imaging and noninvasivediagnostic techniques. Using the percutaneous transhepaticcholedochoscope,-direct visualization of the extent and possible invasionof the tumor is possible, which provides information for determining theextent of the resection. During an endoscopic examination, it is alsopossible to-pathologically confirm a carcinoma and drain biliary systemto relieve an obstruction. Portal vein embolization to increase the volumeof the future remaining liver has been attempted in stepsof