Korean J Gastrointest Endosc > Volume 30(6); 2005 > Article
Korean Journal of Gastrointestinal Endoscopy 2005;30(6): 312-318.
총담관 확장 원인의 감별진단에서 내시경초음파의 진단적 유용성
원광대학교 의과대학 소화기내과학교실, 원광의과학연구소
Diagnostic Use of Endoscopic Ultrasonography in the Evaluation of Common Bile Duct Dilatation
Joo Jin Yeom, M.D., Chang Soo Choi, M.D., Mi Ryeong Sim, M.D., Eun Young Cho, M.D., Hyo Jeong Oh, M.D., Suck Chei Choi, M.D., Tae Hyeon Kim, M.D., Haak Cheol Kim, M.D. and Yong-Ho Nah, M.D.
Department of Gastroenterology, Wonkwang University College of Medicine, Wonkwang Medical Science Research Center, Iksan, Korea
Backgound/Aims: The aim of this study was to assess the diagnostic use of endoscopic ultrasonograpy (EUS) in detecting the cause of common bile duct (CBD) dilatation in patients in whom abdominal ultrasonography or abdominal CT scan could not identify the cause of dilatation.
Thirty-seven patients (23 men, 14 women, mean age 62.2 years) with uncertain causes of CBD dilatation on abdominal sonogram and CT scan between October 1999 and November 2003 were enrolled. All patients were evaluated by EUS and endoscopic retrograde cholangiopancreatography (ERCP). Final diagnosis were determined by ERCP, surgical exploration and clinical follow-up.
The following diagnosis were made by EUS: choledocholithiasis in 11 patients, CBD dilatation only in 12, benign stricture of distal CBD in 8, periampullary tumor in 6. The definitive diagnosis of choledocholithiasis (n=11), benign stricture of distal CBD (n=10), ampullary tumor (n= 5) were determined by ERCP with or without sphincterotomy and surgical exploration. EUS provided the accurate explanation for CBD dilatation in 32 of the 37 patients (86%).
When the diagnosis of biliary obstruction remains obscure on abdominal sonography or CT scan, EUS may be useful. (Korean J Gastrointest Endosc 2005;30:312⁣318)
Key Words: Endoscopic ultrasonography, Common bile duct dilatation, Endoscopic retrograde cholangiopancreatography
주요어: 내시경초음파, 총담관 확장, 내시경역행성 췌담관조영술
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