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  • Title: Marked elevation in serum transaminases: an atypical presentation of choledocholithiasis.
    Author: Nathwani RA, Kumar SR, Reynolds TB, Kaplowitz N.
    Journal: Am J Gastroenterol; 2005 Feb; 100(2):295-8. PubMed ID: 15667485.
    Abstract:
    BACKGROUND: Choledocholithiasis causes elevations in levels of alkaline phosphatase out of proportion to aspartate aminotransferase (AST) and alanine aminotransferase (ALT). Isolated marked elevation in AST and ALT levels over 1,000 IU/L has been reported infrequently in patients with choledocholithiasis. METHODS: The charts of 18 patients who presented between 1971 and 2002 with documented choledocholithiasis and AST or ALT levels greater than 1,000 IU/L were retrospectively reviewed. An extensive work-up for coexisting disease processes to account for the abnormal AST and ALT levels was negative. RESULTS: Eighteen patients (16 women, 16 Hispanics, age 38 +/- 3 yr) presented with symptoms of choledocholithiasis and marked transaminase elevation. Peak levels of AST and ALT were 1,062 +/- 129 and 1,119 +/- 90, respectively. Following successful management of gallstone disease, AST and ALT levels fell rapidly to 129 +/- 22 and 268 +/- 61, respectively, within 3-14 days. There was also a concomitant improvement in the levels of bilirubin and alkaline phosphatase. CONCLUSIONS: In the absence of other hepatobiliary or pancreatic disease, choledocholithiasis can result in elevations in AST and/or ALT greater than 1,000 IU/L. These levels fall markedly once the gallstone disease is appropriately managed.
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