1993
DOI: 10.1016/s0025-6196(12)60696-x
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Diagnostic Role of Serum CA 19-9 for Cholangiocarcinoma in Patients With Primary Sclerosing Cholangitis

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Cited by 211 publications
(98 citation statements)
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“…Of all three, CA 19-9 has the most utility. In patients with PSC a value of >100 U/ml has a sensitivity of 89% and specificity of 86%, and in patients without PSC the sensitivity is 53%, for the diagnosis of cholangiocarcinoma (7,55). Increasing the cutoff to >129 U/ml in patients PSC provided a sensitivity of 78.6%, and improved the specificity to 98.5%, and a positive predictive value of 56.6% (56).…”
Section: Diagnosismentioning
confidence: 99%
“…Of all three, CA 19-9 has the most utility. In patients with PSC a value of >100 U/ml has a sensitivity of 89% and specificity of 86%, and in patients without PSC the sensitivity is 53%, for the diagnosis of cholangiocarcinoma (7,55). Increasing the cutoff to >129 U/ml in patients PSC provided a sensitivity of 78.6%, and improved the specificity to 98.5%, and a positive predictive value of 56.6% (56).…”
Section: Diagnosismentioning
confidence: 99%
“…A threshold value of 100 U/mL is 89% sensitive and 86% specific in detecting cholangiocarcinoma in PSC. 54 Serological screening with an index Ն 400 U for the two tumor markers, CA 19-9 and carcinoembryonic antigen (CEA) [CA 19-9 ϩ (CEA ϫ 40)], is 86% accurate in detecting cholangiocarcinoma and has a 100% specificity and positive predictive value, but with a sensitivity of only 67%. 55 The tumor marker, CA 125, has a sensitivity of 66% and a specificity of 92% in differentiating PSC from PSC plus cholangiocarcinoma.…”
Section: Malignancymentioning
confidence: 99%
“…Its usefulness in the diagnosis of early bile duct cancer, however, is not so clear as CA 19-9 levels higher than 100 U/mL were noted in only 15% of early bile duct cancer patients [4] . Since increased serum levels of CA 19-9 less than 100 U/mL are not rare in benign conditions as well [32,33] , measurement of serum CA 19-9 level may have a limited value in the diagnosis of early bile duct cancer.…”
Section: Laboratory Datamentioning
confidence: 99%