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CT-guided percutaneous puncture: techniques of accessing intrathoracic difficult-to-reach regions

CHEN Lihua;HUANG Xuequan;Department of Radiology,PLA 101 Hospital;Department of Radiology,Southwest Hospital,Third Military Medical University;  
CT-guidance is a well-accepted,safe and effective technique for a broad range of percutaneous interventions,including diagnostic interventions and therapeutic interventions.However some intrathoracic regions are difficult to reach,such as mediastinal,hilar,subcarinal,and zone near heart and great vessels.Improvements in development of CT-guidance technology and new biopsy techniques have improved the safety and efficacy of the procedure in these difficult-to-reach regions which previously considered relatively inaccessible.In this article,we review the various specific biopsy techniques and methods of safely assessing difficult-to-reach lesions.
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