癌症可侵袭全身组织,血液系统亦不例外。在癌症的发展过程中,红细胞、血红蛋白、白细胞及血小板均可出现相应的异常改变。血常规检测的是血液的细胞部分,它能发现细胞数量和形态的变化,其结果有利于发现全身性疾病的早期迹象,有助于临床病情的诊疗判断。目前,血常规化验可以采用静脉血和末梢血两种方法。 Cancer can invade whole body tissue and the blood system is no exception. In the development of cancer, red blood cells, hemoglobin, white blood cells and platelets can be the corresponding abnormal changes. Blood tests measure the cellular portion of the blood, which can detect changes in the number and morphology of the cells. The results are helpful in detecting early signs of systemic disease and in the diagnosis and treatment of clinical conditions. At present, blood tests can be two methods of venous blood and peripheral blood.