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目的：初步探讨骨肿瘤和肿瘤样病变ＣＴ导向穿刺活组织检查的技术方法和临床应用价值。材料和方法：２９例均行常规Ｘ线摄片和ＣＴ扫描，在ＣＴ导向下采取四种穿刺活检方法，自动活检枪穿刺１４例，细针穿刺抽吸４例，咬骨针穿刺钻取病理组织４例，采用联合方法７例。结果：所以病例穿刺成功，未发生严重并发症。Ｘ线摄片、ＣＴ和穿刺活检鉴别良恶性病灶的准确率分别为６２１％、６５５％和９６６％。Ｘ线摄片、ＣＴ和穿刺活检组织学定性诊断准确率分别为４４８％、４８３％和９３１％。结论：骨骼系统ＣＴ导向穿刺活检是一种快捷、方便和安全的检查方法，灵活地应用不同的活检方法可进一步提高活检的成功率和准确率。
Objective: To explore the technical methods and clinical application value of CT-guided biopsy of bone tumors and tumor-like lesions. Materials and Methods: All the 29 patients underwent conventional X-ray and CT scans. Four needle biopsy methods were adopted under CT guidance. Fourteen cases were punctured with automatic biopsy guns, 4 were punctured with fine needles, and puncture was performed with a puncture needle. Four cases were organized and 7 cases were combined. Result: The puncture was successful and no serious complications occurred. The accuracy of X-ray, CT, and needle biopsy in distinguishing between benign and malignant lesions was 62.1%, 65.5%, and 96.6%, respectively. The accuracy of histological diagnosis of X-ray, CT, and biopsy was 44.8%, 48. 3%, and 93.1%, respectively. Conclusion: CT-guided biopsy of the skeletal system is a quick, convenient, and safe method of examination. Flexible use of different biopsy methods can further increase the success rate and accuracy of biopsy.