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目的 提高对少见部位骨巨细胞瘤的影像学表现的认识。材料和方法 回顾了10例经手术、病理证实的少见部位骨巨细胞瘤的影像资料,重点分析其CT表现。结果 (1)10例骨巨细胞瘤:单发性9例,分别为脊椎4例,颅面骨2例,掌骨、趾骨、下颌骨各1例;多发性1例,发生于髌骨和胫腓骨。(2)主要影像表现为膨胀性改变,溶骨性破坏,软组织肿块,邻近器官受压、推移。结论 CT扫描对少见部分骨巨细胞瘤提供非常有价值的征象,尤其对于发生于脊椎、颅骨者。CT是诊断少见部位骨巨细胞瘤有效方法。
Objective To improve the understanding of imaging features of rare giant bone cell tumors. Materials and Methods The imaging data of 10 cases of rare giant bone cell tumors confirmed by surgery and pathology were reviewed, and their CT findings were analyzed. RESULTS: (1) 10 cases of giant cell tumor of bone: 9 cases of solitary vertebrae, 4 cases of vertebrae, 2 cases of craniofacial bone, 1 case of metacarpals, phalanges, and mandibles respectively; 1 case of multiple cases occurred in the sacrum and tibia . (2) The main imaging manifestations are dilatational changes, osteolytic destruction, soft tissue masses, and compression and passage of adjacent organs. Conclusion CT scans provide very valuable signs for rare giant cell tumors of the bone, especially in the spine and skull. CT is an effective method for diagnosing rare giant bone cell tumors.