44 - Biliary Tract Disorders
نویسنده
چکیده
Patients with suspected complications of gallstone disease should be evaluated for alternative diagnoses, as well as complications of gallstones such as pancreatitis and cholangitis. Laboratory evaluation for all these patients should include a complete blood count, basic serum chemistries, liver function tests, serum amylase and lipase, and urinalysis. A urine pregnancy test should always be performed in women of childbearing age. Laboratory test results in patients with symptomatic cholelithiasis should be normal except for a mild elevation in serum alkaline phosphatase. Alkaline phosphatase is synthesized by the biliary tract epithelium but is also found in bone. γ-Glutamyltransferase (GGT) is another enzyme secreted by the biliary epithelium that may be elevated in patients with biliary obstruction.
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