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目的 分析胸壁原发恶性肿瘤的CT表现 ,探讨CT对其定位、定性及鉴别诊断的价值和限度。方法 对经手术、活检证实的 7例原发胸壁恶性肿瘤的CT表现 ,结合病理所见进行回顾性分析。结果 7例胸壁恶性肿瘤中 ,5例发生于胸壁软组织 (脂肪肉瘤和纤维肉瘤各 2例 ,横纹肌肉瘤 1例 ) ,2例发生于胸壁骨组织 (胸骨骨肉瘤、肋软骨肉瘤各 1例 )。CT表现 :肿瘤向胸壁外生长 3例 ,向胸壁内生长 2例 ,同时向胸壁内外生长 2例 ,其中 5例有明显的胸壁骨质破坏 ,4例伴有肺转移。结论 CT对胸壁原发恶性肿瘤的部位、范围以及肺脏是否受侵等有较大的诊断价值。
Objective To analyze the CT manifestations of primary chest wall malignancies and to explore the value and limits of CT in its localization, qualitative and differential diagnosis. Methods The CT findings of 7 cases of primary chest wall malignancy confirmed by operation and biopsy were analyzed retrospectively. Results Of the 7 cases of thoracic malignant tumors, 5 cases occurred in the chest wall soft tissue (2 cases of liposarcoma and fibrosarcoma, 1 case of rhabdomyosarcoma) and 2 cases of chest wall tissue (1 case of sarcoid osteosarcoma and 1 case of costal chondrosarcoma). CT findings: tumor growth to the chest wall in 3 cases, 2 cases of growth to the chest wall, while growth to the chest wall in 2 cases, including 5 cases of chest wall destruction, and 4 cases of lung metastasis. Conclusion CT has great diagnostic value on the location and extent of the primary malignant tumor in the chest wall and the invasion of the lung.