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目的:探讨髋关节滑膜骨软骨瘤病的影像学特征。方法:回顾性分析9例经手术组织病理证实的髋关节滑膜骨软骨瘤病患者影像学资料。结果:9例患者均行X线平片检查,1例仅表现为局部软组织肿胀;8例髋关节间隙内及周围见类圆形、卵圆形、斑点状或形态不规则钙化或骨化游离体,呈孤立、分散或聚集成堆分布。2例行CT检查显示钙化或骨化的游离体较X线平片清晰、数目较多,并可显示增厚的滑膜和压迫性骨侵蚀。2例行MRI检查可显示X线平片不能显示的软骨性游离体和轻微压迫性骨侵蚀。结论:X线平片是诊断髋关节滑膜骨软骨瘤病的首选检查方法,CT和MRI检查可发现X线平片不能发现的征象并明确诊断。
Objective: To investigate the imaging features of synovial osteochondromatosis in hip joint. Methods: The imaging data of 9 patients with synovial osteochondromatosis of hip joint confirmed by operation and histopathology were retrospectively analyzed. Results: All the 9 patients underwent X-ray plain film examination. Only 1 case showed local soft tissue swelling. In 8 cases, there were round, oval, spot-like or irregularly shaped calcifications or ossification in and around the hip joint space Body, isolated, scattered or gathered into a pile distribution. 2 routine CT examination showed calcification or ossification of free body than the X-ray clear, a large number, and can show thickened synovial and compressive bone erosion. 2 routine MRI examination can show X-ray can not show cartilage free body and slight compression of bone erosion. Conclusion: X-ray is the first choice for the diagnosis of synovial osteochondromatosis in hip joint. CT and MRI can detect the signs that can not be found on X-ray and confirm the diagnosis.