[摘要] 目的：探讨成人股骨头缺血性坏死的CT诊断。方法：收集本院69例经手术和病理证实的成人股骨头缺血性患者的CT资料，回顾性分析骨盆X线片和双侧髋关节CT的影像学特点。结果：CT显示股骨头囊性改变26例，骨小梁模糊消失28例，皮质断裂11例， 股骨头变形18例。结论：CT扫描比X线能更早地发现病变， 可准确显示病变部位和范围，了解病情的发展和疗效观察方面有很大优越性。

    [关键词] 股骨头；缺血性坏死；CT；诊断

    [中图分类号] R445 [文献标识码] B [文章编号] 1674-4721(2011)04(a)-072-02

    CT diagnosis of avascular necrosis of femoral head in adult

    PAN Haiying, ZHONG Lanyu, SHANG Zhanzeng, DING Long

    Department of CT, Armed Police Unit Hospital, Qinghai Province, Xining 810000, China

    [Abstract] Objcective: To discusses the adult femoral head avascular necrosis's CT diagnosis. Methods: To collect CTinformation of 69 cases of adult avascular necrosis with surgery and the pathology confirmation, analyze pelvic X-ray films and CT of bilateral hip imaging features retrospective. Results: CT demonstrated that the femoral head cystic changes in 26 csaes, fuzzy trabecular bone disappeared in 28 cases, cortex breaks in 11 cases, femoral head distorts in 18 cases. Conclusion: The CT scanning can discover the pathological change early compared to X-ray, and demonstrate the pathological change spot and the scope accurately, it has the very big superiority in development understanding and the curative effect observation. ......