Medically reviewed by Lindsay Cook, PharmDMedically reviewed by Lindsay Cook, PharmD Low alkaline phosphatase (ALP ... and intestines as well as the bile ducts (which drain bile from the liver ...

Cholangiocarcinoma is classically described as an irregular narrowing of the bile duct with shouldered ... preoperative laboratory data, such as alkaline phosphatase, CA 19-9 and specific imaging ...

whereas extrahepatic cholestasis often results from bile duct stones, tumors, or strictures. Diagnosis typically involves evaluating elevated liver enzymes, specifically alkaline phosphatase (ALP ...