摘要
目的 :描述骨肉瘤的CT征象并探讨CT应用价值。材料与方法 :总结分析了 2 4例经CT检查和手术病理证实的骨肉瘤CT表现 ,并对 5例不完全确诊和误诊的原因进行剖析。结果 :①骨肉瘤CT扫描可清楚地显示骨质改变、软组织肿块、骨膜反应及骨髓侵犯。②CT检查在显示病灶空间结构、软组织块影及髓腔侵犯等方面优于常规X片。③造成术前误诊或不完全确诊的原因有 :将瘤骨与软骨钙化相混淆 ,患者年龄偏大及CT表现极不典型。结论 :CT可作为检查和诊断骨肉瘤的一种很有价值的手段。
Purpose:To evaluate CT findings and diagnostic value of osteosarcoma.Materials and Methods:CT scan of 24 cases with osteosarcoma proved by pathology were analyzed.The reasons of misdiagnosis in 5 cases were also discussed.Results:(1)Bone osteosclerosis and destruction,soft-tissue mass,periosteal reaction and marrow infiltration can be shown in CT imagings.(2)CT scanning was more accurate in identifing lesions and more useful in the detecting soft-tissue masses and marrow infiltration.(3) Confusion of tumor bone and intratumoral calcification,elder patient and atipical CT fingings of osteosarcoma were mainly reasons of misdiagnosis .Conclusion:CT may play an important role in the examination of osteosarcoma.
出处
《现代医用影像学》
2000年第6期246-249,共4页
Modern Medical Imageology
