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应用氨基酸自动分析仪，对22例食管癌病人血清，正常食管组织和食管癌组织游离氨基酸含量分析。结果表明：食管癌病人血清有7种氨基酸降低，2种升高；食管癌组织游离氨基酸较正常食管组织显著增多，血清下降显著的几种氨基酸，在癌组织中增加比例明显。提示食管瘤病人血和组织游离氨基酸代谢紊乱。
Automatic amino acid analyzer was used to analyze the content of free amino acids in serum, normal esophageal tissue and esophageal cancer tissue in 22 esophageal cancer patients. The results showed that there were 7 kinds of amino acids in esophageal cancer patients decreased, 2 kinds of elevated; esophageal cancer tissue free amino acids significantly increased compared with normal esophageal tissue, serum decreased significant amino acids, an increase in the proportion of cancer tissue. It suggests that patients with esophageal tumors have disordered blood and tissue amino acid metabolism.