2000
DOI: 10.1053/ejso.1999.0925
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Elevated tumour marker CA19-9: clinical interpretation and influence of obstructive jaundice

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Cited by 257 publications
(185 citation statements)
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“…Although Tu-M2-PK was less affected by jaundice than CA 19-9 (table 2), the relatively poor performance of both these tests indicates that they are of limited value even as adjunctive diagnostic tests in a tertiary care setting. Several studies have reported the utility of repeating an elevated CA 19-9 after relief of jaundice and our findings support this suggestion 8,16,17 .…”
Section: Discussionsupporting
confidence: 89%
See 1 more Smart Citation
“…Although Tu-M2-PK was less affected by jaundice than CA 19-9 (table 2), the relatively poor performance of both these tests indicates that they are of limited value even as adjunctive diagnostic tests in a tertiary care setting. Several studies have reported the utility of repeating an elevated CA 19-9 after relief of jaundice and our findings support this suggestion 8,16,17 .…”
Section: Discussionsupporting
confidence: 89%
“…8, 10, 12 ,13., 14 ,15, Although elevated in cholestasis 16,17,18 , serial sampling after relief of jaundice may be of value 19 but CA 19-9 lacks sufficient discriminant value for use as a sole diagnostic test. 20,21 Recent insights into tumour metabolism have shown that a wide range of human tumours express the enzyme pyruvate kinase, a component of the aerobic glycolysis pathways.…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, elevated CA 19-9 serum concentration can be associated with several conditions producing reduced biliary drainage [6], especially in the presence of cholangitis [7]. It is generally believed that benign conditions cause only moderate elevations, while very high levels are mainly related to malignancies, consistent with the results of previous papers [8,9]. However, some researchers have published cases that documented extremely elevated CA 19-9 serum concentrations (up to 187,000 U/ml) secondary to benign biliary obstruction that have rapidly normalized after recovery of biliary patency [10].…”
Section: Discussionsupporting
confidence: 84%
“…Mann y cols 9 , analizaron un grupo de 164 pacientes con CA 19-9 elevado sobre 33 U/ml asociado a hiperbilirrubinemia, encontrando una correlación positiva en el subgrupo de pacientes con patología benigna (r = 0,41 y p < 0,01), no así en el subgrupo de pacientes con patología maligna. Ong y cols 18 , en 83 pacientes con patología biliar benigna y CA 19-9 y bilirrubina total elevada, también encontraron correlación positiva (r = 0,363 y p < 0,001) y Dogan y cols 19 , en 32 pacientes con coledocolitiasis con y sin colangitis aguda también encontraron una correlación positiva con los valores de bilirrubina (r = 0,4 y p < 0,001) y fosfatasas alcalinas (r = 0,5 y p < 0,01).…”
Section: Discussionunclassified
“…Numerosos estudios han documentado una sobreproducción de CA 19-9 en tumores malignos de páncreas [2][3][4] y del árbol biliar 5,6 . También se ha visto una sobreproducción en otras neoplasias malignas (estómago, hígado, colon y recto) 7,8 y patologías benignas bilio-pancreáticas, como pancreatitis, colangitis y coledocolitiasis 9,10 . El rendimiento en la diferenciación de enfermedades bilio-pancreáticas benignas y malignas para un valor de corte de 37 U/ml se ha reportado bajo, con sensibilidad y especificidad que no superan el 86% y el 70%, respectivamente, por lo que se ha tratado de establecer valores de corte que permitan mejorar su rendimiento, lo que ha resultado en un aumento de la especificidad y el valor predictivo positivo 11,12 .…”
Section: Introductionunclassified