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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Purpose : MR cholangiography(MRC) in patients with obstructive biliary disease was evaluated in order to compare its role with tat of ERCP or PTC. Materials and Methods : Twenty consecutive patients with obstructive biliary and peribiliary diseases (Eleven biliary and peribiliary carcinomas, seven intrahepatic stone diseases and seven extrahepatic stone diseases) were included and ERCP(16 cases) or PTC(for cases) was performed in all twenty cases. Non-breath-hold, heavily T2-weighted, fast spin echo MRC was carried out and 2-D axial, coronal images and 3-D images with maximum intensity projection protocol were obtained. We regarded ERCP or PTC as the gold standard and then compared MRC with ERCP or PTC retrospectively. Results : In 11 patients with biliary and peribiliary carcinomas, the level of obstrction was depicted in nine cases(83%) on MRC and in six of seven cases(86%) on ECRP. The causes of obstruction were demonstrated in eight cases(73%) on MRC and in six of seven cases(86%) on ECRP. On MRC, seven cases(64%) revealed similar findings to ERCP of PTC. Of seven cases of EHD and seven of IHD stone diseases. EHD stones wee detected in six cases(86%) on MRC and in seven cases (100%) on ERCP, IHD Stones were detected in four cases(57%) on MRC and in five cases(71%) on ERCP. 2D-MRC was superior to 3D-MRC in the detection of stones. The extent and grade of ductal dilatation was accurately revealed in six cases(86%) on MRC and in seven cases(100%) on ERCP of EHD stones, in six cases(86%) on MRC and in three cases(43%) on ERCP of IHD stones. Six cases(86%) of EHD stones and two cases(29%) of IHD stones revealed similar findings between MRC and ERCP. Conclusion : MRC findings were similar to those of ERCP or PTC in the evaluation of malignant biliary diseases or extrahepatic stone diseases and was valuable in their diagnoses. In the evaluation of intrahepatic stone diseases, MRC demonstrated dilated peripheral IHDs with stones more denfinitely than ERCP but in the detection its accuracy was low. Further studies may therefore be needed.
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