2000
DOI: 10.1111/j.1572-0241.2000.01685.x
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The utility of CA 19-9 in the diagnoses of cholangiocarcinoma in patients without primary sclerosing cholangitis

Abstract: These data suggest that the serum CA 19-9 determination is a useful addition to the available tests for the differential diagnosis of cholangiocarcinoma.

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Cited by 372 publications
(202 citation statements)
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“…However, the diagnostic potential for the detection of CCA is fairly poor. Serum CA19–9 levels show a wide variation in sensitivity 38–90% and specificity 50–98% [9, 11-14]. A recently published meta-analysis including a total of 1,264 patients with CCA showed a pooled sensitivity of only 72% with a specificity of 84% for the differentiation between CCA and healthy controls as well as patients with benign biliary disease (e.g.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…However, the diagnostic potential for the detection of CCA is fairly poor. Serum CA19–9 levels show a wide variation in sensitivity 38–90% and specificity 50–98% [9, 11-14]. A recently published meta-analysis including a total of 1,264 patients with CCA showed a pooled sensitivity of only 72% with a specificity of 84% for the differentiation between CCA and healthy controls as well as patients with benign biliary disease (e.g.…”
Section: Resultsmentioning
confidence: 99%
“…Carbohydrate antigen (CA) 19–9 and carcinoembryonic antigen (CEA) are the most extensively studied biomarkers for CCA, but their diagnostic and prognostic capabilities are limited and rather unspecific [9, 10]. Due to the lack of large and well-characterized CCA study populations, the evaluation of novel biomarkers has remained challenging.…”
Section: Introductionmentioning
confidence: 99%
“…The compared sensitivity and specificity of CA19-9 in the same study population of 4 studies were 0.70 and 0.71, respectively, and the AUC for CA19-9 was 0.73. In other independent studies, CA19-9 exhibited varied diagnostic performance with a sensitivity of 40-90%, specificity 50-98% [17,[19][20][21][22][23], and positive predictive value (PPV) of 16-40% depending on cut-off values [20,22,23]. Regarding the other traditional serum markers, the estimated sensitivity and specificity of carcinoembryonic antigen (CEA) were 20%-68% and 82-100%, respectively [15,46], while for cancer antigen 125 (CA125) sensitivity and specificity were 31.25%, and 96% [47], respectively.…”
Section: Discussionmentioning
confidence: 99%
“…The National Comprehensive Cancer Network (NCCN) guidelines only take carbohydrate antigen 19-9 (CA19-9) as a baseline of continuous surveillance and do not recommend other tumor markers as diagnostic indicators [18]. CA19-9 has a wide variation in sensitivity (50-90%) and specificity (54-98%) [17,[19][20][21][22][23], is falsely elevated in benign biliary diseases, is relieved in biliary obstruction and sepsis, and undetectable in Lewis antigen negative population [17]. Thus, the early diagnosis of BTC remains challenging [24,25].…”
Section: Introductionmentioning
confidence: 99%
“…In patients with PSC, a CA 19-9 greater than 100 U/ml has been shown in a more recent case-controlled study to have a sensitivity and specificity of 75 and 80%, respectively [77]. In the absence of PSC, a CA 19-9 greater than 100 U/ml may have limited utility in the diagnosis of cholangiocarcinoma, with a sensitivity of 53%, and true negative rates of 76 and 92% when compared to patients with benign liver disease and bile duct strictures, respectively [78]. Biliary CA-125 may be useful as an adjunct test [79], although further investigation of this is warranted.…”
Section: Clinical Presentation and Diagnosismentioning
confidence: 99%