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目的 探讨骶椎肿瘤的CT表现及其临床意义。方法 回顾性分析行CT检查并经临床病理证实的 14例 (男 9例 ,女 5例 )骶骨肿瘤 ,就骨质破坏 ,钙化 ,软组织肿块和病变与邻近组织的关系等方面进行分析。结果 转移瘤CT表现为椎体和附件骨质破坏 ,无钙化。脊索瘤亦表现为溶骨性骨质破坏 ,伴有软组织肿块 ,常有钙化。巨细胞瘤呈膨胀性生长 ,压迫周围组织或器官。神经纤维瘤、骨软骨瘤及软骨肉瘤的CT表现典型。结论 CT扫描在骶椎肿瘤的发现和估价病变方面具有较高的敏感性 ,对治疗计划的制订有重要的参考作用。
Objective To investigate the CT findings and clinical significance of sacral vertebral tumors. Methods Retrospective analysis of 14 cases (9 males and 5 females) of sacral tumors underwent CT examination and confirmed by clinical pathology. The bone destruction, calcification, soft tissue mass, and the relationship between lesions and adjacent tissues were analyzed. RESULTS: Metastatic tumor CT showed bone destruction in the vertebral body and attachment without calcification. Chordoma is also manifested as osteolytic bone destruction with soft tissue mass, often with calcification. Giant cell tumors show expansive growth and oppress the surrounding tissues or organs. Neurofibromas, osteochondromas, and chondrosarcomas are typical CT findings. Conclusion CT scan has high sensitivity in the detection and evaluation of lesions in the sacral tumors, and has an important reference role in the development of treatment plans.