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摘要目的评价非开放磁体导航MRI引导下的肝局灶性病变活检的临床与诊断效率。材料与方法 52例病人行55次活检。采用光学设备示踪的MRI导航系统用于图像引导和磁体外活检针置入。快速对照成像实时观察穿刺针的实际位置。记录活检流程与持续时间,根据组织学检查及临床过
Abstract Objective To evaluate the clinical and diagnostic efficiency of focal liver biopsy guided by non-open magnet guidance MRI. Materials and Methods Fifty-two biopsies were performed in 52 patients. MRI navigation system with optical device tracking for image guidance and external magnet biopsy needle insertion. Fast contrast imaging Real-time observation of the actual position of the puncture needle. Record biopsy procedures and duration, according to histological examination and clinical over