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目的 分析骨巨细胞瘤的X线及CT征象 ,并作比较。方法 分析 5 3例经手术病理证实的骨巨细胞瘤的X线平片及CT表现 ,并予以评分。结果 骨巨细胞瘤以囊性膨胀性偏侧性骨破坏为主者 3 9例 ,其余为单纯溶骨性骨破坏。多数病例出现骨壳 ,骨壳完整者X线片 18例 ,CT 13例 ,不完整者X线片 2 1例 ,CT 2 6例。CT观察病灶内多无分隔。骨质破坏边缘多清晰 ,CT观察 19例有不同程度的硬化边。病灶内软组织密度多不均 ,11例CT可观察到液液平面。骨壳不完整者常见骨外软组织块影。结论 通过X线片及CT对骨巨细胞瘤表现的比较研究 ,CT在诊断骨巨细胞瘤上明显优于X线平片 ,对长骨巨细胞瘤进行评分有助于术前分级。
Objective To analyze the X-ray and CT findings of giant cell tumor of bone and compare them. Methods Fifty-three cases of giant cell tumor confirmed by surgery and pathology were analyzed by X-ray and CT, and scored. The results of giant cell tumor of the cystic dilatation of the lateral unilateral bone destruction in 39 cases, the rest of the simple osteolytic bone destruction. In most cases, there were 18 cases of bone hull and bone hull complete X-ray, 13 cases of CT, 21 cases of incomplete X-ray and 26 cases of CT. CT observation of lesions within the more non-separated. More clear edges of bone destruction, CT observation of 19 patients with varying degrees of sclerosis. Lesions in the soft tissue density and more uneven, 11 cases of CT can be observed liquid-liquid level. Incomplete bone shell are common external soft tissue block shadow. Conclusion Comparing X-ray and CT findings of giant cell tumor of bone, CT is superior to X-ray in diagnosing giant cell tumor of bone, and grading of giant cell tumor of long bone is helpful for preoperative classification.