导引装置
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导引装置-
目的评价激光导引装置在胸部病变CT导引穿刺活检中的作用。
Objective To evaluate laser guiding device in CT guided percutaneous transthoracic aspiration biopsy .
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资料与方法有手术病理或临床随访的胸部病变CT穿刺活检335例，其中139例应用激光导引装置（激光组），其余196例无激光导引装置（非激光组）。
Materials and Methods CT guided percutaneous transthoracic biopsy was performed in 335 patients with thoracic lesions , of which laser guiding device was adopted in 139 ( laser group ) and laser guiding device was not used in the remaining 196 ( non laser group ) .