摘要
目的 :探讨眶内海绵状血管瘤的特征性CT表现。材料和方法 :收集行CT扫描且经手术和病理证实的眶内海绵状血管瘤 17例 ,观察肿瘤部位、数目、形态、境界、与视神经及肌锥关系、肿瘤密度、增强方式及强化强度。结果 :17例全为单发 ,均位于球后肌锥内 ,与视神经分界清楚。境界清楚 17例 ,边缘规整 7例、不规整 10例。 17例平扫 ,全表现为中等软组织密度实性肿块 ,密度均匀 ,未见瘤体囊性变及钙化征象。 8例增强扫描病例中 ,5例瘤体呈现均匀显著强化 ,另 3例表现为早期瘤体部分斑片状强化、稍后整个肿瘤显著均匀强化。结论 :眶内实性肿块“斑片状强化”和“推进性强化”是眶内海绵状血管瘤的特征性征象。临床拟诊眶内海绵状血管瘤时 ,宜常规做动态增强扫描。
Objective :To ascertain the CT features of the orbital cavernous hemangiomas(OCH).Material and Methods:CT manifestions of 17 cases of OCH confirmed surgically and pathologically were retrospectively reviewed and analysed in regard to the location,number,shape,edge,density,type and intensity of enhancement.Results:All OCH were located in the retrobulbar muscle cone;the tumor was single and well demarcated in 17 cases;the edge of the OCH were regular in 7 cases and irregular in 10 cases,and in plain scan,all the OCH manifested as homogeneous soft mass;the cystic change and calcification within the OCH were not found in our cases.The tumor in 5 cases showed marked homogeneous enhancement, and in other 3 cases the mass manifested partly enhancement in the early period of the contrast CT scan and followed by full enhancement.Conclusion:Partly enhancement and propulsive enhancement of solid mass are the characteristic manifestations of the OCH.
出处
《华西医学》
CAS
2000年第4期413-414,共2页
West China Medical Journal
