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Extrahepatic Biliary Obstruction: Sensitivity and Specificity

Introduction: Extrahepatic biliary obstruction reflects inability of bile to leave the liver and/or gallbladder with the obstruction occurring outside the liver. One common cause is Cholelithiasis leading to Choledocholithiasis, but tumors can also obstruct the common bile duct.

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Tags: Gastrointestinal Problem Tag this Diagnosis.

Differential Diagnoses include: Choledocholithiasis

The sensitivity and specificity of findings for Extrahepatic Biliary Obstruction are listed below. See the left navigation bar to change the display.

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Finding SensitivitySpecificity Comments, Study
MRCP Edit 95%97%

MRCP is less sensitive for stones (92%) and malignancy (88%).

Study: Ann Int Med. October 2003 | 139(7): Pages 547-557. http://www.annals.org/cgi/content/abstract/139/7/547