Objective:To explore the reason of malignant tumor patientsˊ serum CK - MB higher than CK. Meth-ods:Use VITROS5600 automatic biochemical analyzer to determine malignant patients serum CK - MB and CK activi-ty. Results:In 139 cases of 5612 malignant tumors patients,CK - MB activity is higher than that of CK activity,ac-counting for 2. 5% . Among these malignant tumor patients,O - and B - type blood accounted for 65% . Conclusion:Other than methodology reasons,immune system disorder and sicker patients are also factors that lead to CK - MB ac-tivity higher than CK.%目的:探讨恶性肿瘤患者血清肌酸激酶同工酶(CK - MB)活性高于肌酸激酶(CK)的原因。方法:在VITROS5600全自动生化免疫分析仪上测定恶性肿瘤患者血清 CK - MB 和 CK 活性。结果:5612例恶性肿瘤患者血清中139例 CK - MB 活性高于 CK 活性,占恶性肿瘤患者的2.5%。恶性肿瘤患者中,O 型与 B 型血占65%。结论:CK - MB 活性高于 CK 活性除了方法学所致原因之外,恶性肿瘤患者免疫力低下或病情加重也是重要的影响因素。
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