Cholangiocarcinoma laboratory findings
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Blood tests
There are no specific blood tests that can diagnose cholangiocarcinoma by themselves. Serum levels of carcinoembryonic antigen (CEA) and CA19-9 are often elevated, but are not sensitive or specific enough to be used as a general screening tool. However, they may be useful in conjunction with imaging methods in supporting a suspected diagnosis of cholangiocarcinoma.[1]
References
- ↑ Studies of the performance of serum markers for cholangiocarcinoma (such as carcinoembryonic antigen and CA19-9) in patients with and without primary sclerosing cholangitis include the following:
- Nehls O, Gregor M, Klump B (2004). "Serum and bile markers for cholangiocarcinoma". Semin Liver Dis. 24 (2): 139–54. PMID 15192787.
- Siqueira E, Schoen R, Silverman W, Martin J, Rabinovitz M, Weissfeld J, Abu-Elmaagd K, Madariaga J, Slivka A, Martini J (2002). "Detecting cholangiocarcinoma in patients with primary sclerosing cholangitis". Gastrointest Endosc. 56 (1): 40–7. PMID 12085033.
- Levy C, Lymp J, Angulo P, Gores G, Larusso N, Lindor K (2005). "The value of serum CA 19-9 in predicting cholangiocarcinomas in patients with primary sclerosing cholangitis". Dig Dis Sci. 50 (9): 1734–40. PMID 16133981.
- Patel A, Harnois D, Klee G, LaRusso N, Gores G (2000). "The utility of CA 19-9 in the diagnoses of cholangiocarcinoma in patients without primary sclerosing cholangitis". Am J Gastroenterol. 95 (1): 204–7. PMID 10638584.