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目的分析和探讨骨巨细胞瘤的CT常见和典型表现。方法回顾性分析117例经手术病理证实的骨巨细胞瘤的CT表现。结果病变位于长管骨骨端占67.52%;膨胀性生长占94.02%;边缘硬化占79.49%;病变内有骨嵴占88.89%;骨皮质中断者占86.32%;病变无分叶占83.76%;病变达关节面或椎体终板者占86.32%;无骨膜反应占100%。同时具有上述表现的典型病例者占25.64%。中心性生长占52.14%,偏心性占47.86%。结论骨巨细胞瘤常见的CT典型表现的病例只占少数,在诊断和鉴别诊断中不应过分强调偏心性。
Objective To analyze and discuss the common and typical CT features of giant cell tumor of bone. Methods The CT findings of 117 giant cell tumors confirmed by surgery and pathology were retrospectively analyzed. Results The lesions were located in the long bone of the bones accounted for 67.52%; dilated growth accounted for 94.02%; margin sclerosis accounted for 79.49%; lesions within the ridge accounted for 88.89%; cortical disruption accounted for 86.32%; lesions without branching accounted for 83.76% Disease reached the articular surface or vertebral endplate accounted for 86.32%; no periosteal reaction accounted for 100%. Typical cases with the above performance accounted for 25.64%. Central growth accounted for 52.14%, eccentricity accounted for 47.86%. Conclusion There are only a few cases of typical CT appearance in giant cell tumor of the bone, and the eccentricity should not be overemphasized in the diagnosis and differential diagnosis.