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Korean J Pancreas Biliary Tract > Volume 2(2):1997 > Article
The Korean Journal of Pancreas and Biliary Tract 1997;2(2):179-185.
용종모양의 돌출이 있는 십이지장 유두부암 2예: 자기공명담췌관촬영술 소견을 중심으로
서정훈1, 백용한1, 김명진2, 정재복1, 문영명1, 강진경1, 박인서1
1연세대학교 의과대학 내과학교실
2연세대학교 의과대학 소화기병연구소 및 진단방사선과학교실
2 Cases of Duodenal Papillary Cancer with Polypoid Protrusion: Findings of MRCP
Jeong Hun Seo1, Yong Han Baik1, Myung Jin Kim2, Jae Bock Chung1, Young Myoung Moon1, Jin Kyung Kang1, In Suh Park1
1Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
2Department of Diagnostic Radiology, Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
Corresponding author:  Jae Bock Chung,
ABSTRACT
Endoscopic retrograde cholangiopancreatography(ERCP) is the most useful method of diagnosis in duodenal papillary cancer. There are two morphological features in duodenal papillary cancer. Exophytic tumors can be diagnosed with the use of forceps or snare biopsies, and intra-papillary tumors can be detected by ERCP and confirmed by intraductal brush cytology. ERCP has diagnostic limitations when cannulation of the bile duct is not possible or when confirmation of duodenal papillary cancer is difficult in cases of normal duodenal mucosa. Although ERCP is generally considered a safe procedure, it has a morbidity and mortality of 7% and 1%, respectively. This is why a noninvasive method is needed in order to substitute the role of diagnostic ERCP. Magnetic resonance cholangiopancreatography (MRCP) is a relatively new imaging technique for the evaluation of the pancreaticobiliary tract. Projectional images, similar in appearance to ERCP, are obtained without administration of any oral or intravenous contrast agents. MRCP has a diagnostic accuracy comparable to that of ERCP for most of the pancreaticobiliary diseases, but duodenal papillary cancer remains a challenge for this imaging tool. Previous study on the diagnostic accuracy of MRCP in duodenal papillary cancer reported that it confirmed only 2 out of 6 cases, but recent technical advances have optimized the image. Therefore, further studies on the advanced quality is needed in the future. We report 2 cases of duodenal papillary cancer with polypoid protrusion correctly diagnosed as MRCP.
Keywords: Duodenal papillary cancer, Magnetic resonance cholangiopancreatography, Endoscopic retrograde cholangiopancreatography
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