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目的比较CT引导下应用切割针、活检枪及改良活检枪进行肺活检安全性、简便性及实用性。方法周围性肺部肿块或结节的患者35例,随机分三组。其中用三棱切割针11例、活检枪12例、改良肺穿针15例,比较其组织及细胞标本量、并发症、失败及终止操作次数和阳性率。结果改良活检枪的阳性率、失败次数和并发症明显低于切割针和活检枪。结论改良活检枪CT引导肺活检便于操作、活检阳性率高、并发症少,是目前安全性、可靠性、实用性最好的活检方法。
Objective To compare the safety, simplicity and practicability of CT guided needle biopsy, biopsy gun and modified biopsy gun for lung biopsy. Methods 35 patients with peripheral pulmonary masses or nodules were randomly divided into three groups. Among them, there were 11 cases of triangular cutting needle, 12 cases of biopsy gun and 15 cases of improved pulmonary needling. Comparisons were made between the number of tissues and cell samples, the number of complications, the number of failures, the number of termination and the positive rate. Results The positive rate, failure frequency and complications of the modified biopsy gun were significantly lower than that of the cutting needle and biopsy gun. Conclusion The modified biopsy gun CT guided lung biopsy is easy to operate. The positive rate of biopsy is high and there are few complications. It is the best biopsy method with safety, reliability and practicability.