论文部分内容阅读
很早以前就开始应用浓缩技术检查恶性肿瘤患者周围血中循环的癌细胞,多年来不断地改进浓缩技术以提高周围血中癌细胞的检出率。不同作者报告的肿瘤患者循环血癌细胞检出率差别较大,如 Pruitt 等对100例已确诊的癌症患者,每例采20毫升周围,血应用链球菌溶血素 O 的方法,证明39%患者存在着循环的癌细胞,12%患者有可疑细胞。对照组正常人200例,癌细胞的阳性率为0.5%。Raker 等在144例癌症患者中,仅2例发现确切的癌细胞。在不应用浓缩技术常规制备瑞氏染色的周围血涂片中,极少见到非血源性的癌细胞。如
Concentration techniques have been used long ago to examine circulating cancer cells around patients with malignant tumors. Concentration techniques have been continuously improved over the years to increase the detection rate of cancer cells in peripheral blood. The detection rate of circulating blood cancer cells varies greatly among cancer patients reported by different authors. For example, Pruitt et al. used 100 streptolysin O methods in 100 patients with cancer diagnosed each time, and each patient received 20 ml of streptolysin O, demonstrating that 39% of patients had Of the circulating cancer cells, 12% of patients had suspicious cells. In the control group, 200 were normal and the positive rate of cancer cells was 0.5%. Raker et al. found that only 2 out of 144 cancer patients found the exact cancer cells. Non-blood cancer cells are rarely found in peripheral blood smears that routinely produce Wright’s stain without the use of concentration techniques. Such as