出典:Wiktionary
出典:『Wiktionary』 (2024/08/11 13:04 UTC 版)
CA19-9 (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/15 12:38 UTC 版)
CA19-9 (carbohydrate antigen 19-9, also called cancer antigen 19-9 or sialylated Lewis (a) antigen) is a blood test from the tumor marker category. It was discovered in patients with colon cancer and pancreatic cancer in 1981. "According to Takada et al. (1993) (Takada et al., 1993) sialyl Lewis a antigen is mainly responsible for adhesion of human colon, pancreas and gastric cancer cells to the endothelium" as well as bladder cancer. Increased levels of CA19-9 are also found in non-malignant conditions, such as Mirizzi's syndrome and diseases of the bile ducts and liver.
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