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| Post-meal sonography in common bile duct obstruction) |
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| Yun Sun Choi, M.D., Young Goo KIm, M.D., In Sup Song, M.D., Jong Beum Lee, M.D., Kun Sang Kim, M.D., Yong Chul Lee, M.D. |
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| Department of Radiology, College of Medicine, chung ang University |
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| Sonographic measurement of common hepatic duct (CHD) caliber alone is insufficient to ascertain the presenceof common bile duct (CBD) obstruction. An increase in caliber of a normal or dilated CHD after fatty mealstimulation is a strong indicator of biliary obstruction, while a decrease in caliber virtually excludes biliaryobstruction. The significance of absent response of dilated CHD to fatty meal stimulation, however, is stillcontroversial. To evaluate the significance of fatty meal response in the diagnosis of obstruction of CBD, weperformed a retrospective analysis of pre- and post- meal sonograms of 23 patients with suspected obstruction ofCBD and 30 normal controls. We calculated the sensitivity and specificty of the following two criteria ; Criteria1=no fatty meal response as an indicator of no obstruction, Criteria 2=no fatty meal response as an indicator ofobstruction. Four patients showed unchanged response, 3 of whom showed partial CBD obstruction. The sensitivityand specificity of criteria 1 were 80% and 100%, while those of criteria 2 were 100% and 88%, respectively. Weconclude that Criteria 2 is more sensitive but less specific than criteria 1 in predicting CBD obstruction. |
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| Keyword : Ultrasound(US),technology |
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> Journal > Journal Search 
Journal of Korean Society of Ultrasound in Medicine 1993 ; 12 (2) : p.163-166
