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0引言在CT导引下的肺部穿刺活检，是近几年来才开展应用起来的一项新技术，它的成功应用，大大提高了取检的成功率，也使肺部深层病变的穿刺取检得以实现．以往的透视和超声导引肺部穿刺，只适用于表浅且较大的病灶，对深而小的病灶，超声难以成像，透视又无法显示病灶的?..
0 Introduction CT-guided lung biopsy is only a new technology that has been applied in recent years. Its successful application has greatly improved the success rate of taking the test, and also allows the puncture of the deep lung lesions Check to achieve. Previous fluoroscopy and ultrasound-guided lung biopsy applied only to superficial and larger lesions. For deep and small lesions, ultrasound was difficult to image and fluoroscopy did not show lesions.