软组织肉瘤的CT影像分析  

Analysis of CT images of soft tissue sarcomas

作　　者：李仰康[1] 周修国[1] 蔡爱群[1] 林伟彬[1] 陈俊伟[1] 陈雪吟[1] 

机构地区：[1]汕头大学医学院附属肿瘤医院放射科,广东515041

出　　处：《放射学实践》2010年第11期1272-1275,共4页Radiologic Practice

基　　金：2010年度汕头市重点科技计划项目(汕府科2010-63)

摘　　要：目的:探讨CT对软组织肉瘤的诊断及鉴别诊断价值。方法:经手术或穿刺活检病理证实的70例软组织肉瘤,根据2002年软组织肿瘤WHO的最新分类,结合病理结果,对其大小、形态、边界、密度、肿瘤与周围组织的关系等CT征象进行回顾性分析,并探讨这些征象在诊断及鉴别诊断中的价值。结果:70例瘤体平均体积为7.8 cm×9.3 cm×11.2 cm,43例肿瘤形态不规则或呈分叶状,52例病灶内密度不均匀,可见坏死、出血或钙化,54例边界不清或侵犯周围组织,增强扫描均呈不均匀强化。70例中CT能准确描述58例软组织肉瘤的恶性征象,并对18例做出正确的组织学诊断。结论:CT能明确软组织肉瘤的范围、内部特征、边缘形态特点以及肿瘤与周围组织的关系,在软组织肉瘤的诊断与鉴别诊断中有重要的价值,但对于大多数软组织肉瘤的组织学诊断是非常困难的。Objective：To investigate the value of CT in the diagnosis and differential diagnosis of soft tissue sarco mas. Methods：Seventy cases of soft tissue sarcoma proved by surgery/biopsy with pathology diagnosis were collected. On the base of WHO classification of soft tissue tumors （2002）, the size, morphology, margin, density and relationship of the tumor with adjacent structures assessed on CT were retrospectively analyzed and correlated with pathology. The value of these findings in diagnosis and differential diagnosis were studied. Results：Of these 70 cases, the average size of tumor was 7.8crux 9.3cm× 11. 2cm. 43 tumors were irregular or lobulated in shape,52 tumors were heterogeneous in density with necrosis,hemorrhage or calcification, 53 tumors had ill defined margin or adjacent structures invasion and uneven enhance ment was revealed after contrast administration. Malignant characteristics were clearly depicted on CT in 58 lesions and correct histo pathology diagnosis was suggested in 18 cases. Conclusion：The extent,intra tumoral/marginal characteristics as well as the relationship with adjacent structures of soft tissue sarcomas could be clearly depicted on CT,which provides important value in the diagnosis and differential diagnosis, yet the value of CT is quite limit in providing histology diagnosis for most of the soft tissue sarcomas.

关 键 词：软组织肿瘤 诊断 体层摄影术 X线计算机 

分 类 号：R738.6[医药卫生—肿瘤]