腹盆部孤立性纤维瘤的CT影像及病理学特征探讨  

Analysis of CT Imaging and Pathological Features of Solitary Fibroma Tumor in the Abdomen and Pelvis

作　　者：戴玲玲[1] 柯俊 DAI Ling-ling;KE Jun(Department of Radiology,the First Affiliated Hospital of Soochow University,Suzhou 215000,Jiangsu Province,China)

机构地区：[1]苏州大学附属第一医院放射科,江苏苏州215000

出　　处：《中国CT和MRI杂志》2024年第11期128-130,共3页Chinese Journal of CT and MRI

摘　　要：目的探讨发生于腹盆腔的孤立性纤维瘤(SFT)在CT上的表现和病理学特点。方法分析在本院接受手术、最终病理为腹盆部SFT的14例患者的临床资料、CT影像及病理学特征。结果14例SFT患者中男性和女性分别有6例和8例;平均年龄59岁;14例均为单发肿瘤,病灶最大径平均值7.3cm;8例位于腹部(肾上腺、肾、腹腔及腹膜后均各2例),6例位于盆腔。SFT在CT平扫上以等密度或等低密度为主,8例内可见囊变、坏死,另1例有钙化。动态增强呈渐进性或速升平台型强化,其中11例动脉期见“蚯蚓钻土征”,10例门脉期呈“地图样”强化。SFT在组织病理学上主要由梭形细胞、胶原纤维组成,此外CD34、Vimentin、Bcl-2、STAT6等有较高的表达率。结论位于腹盆部的SFT在CT上有一些特征性表现,特别是“地图样”强化、“蚯蚓钻土征”的出现有助于该疾病的诊断及鉴别诊断。Objective To explore the CT imaging manifestations and pathological characteristics of solitary fibroma tumor(SFT)in the abdomen and pelvis.Methods A retrospective analysis was conducted on the CT imaging and clinical pathological data of 14 cases of abdominal or pelvic SFT confirmed by surgery and pathology in our hospital.Results Among the 14 SFT cases,there were 6 males and 8 females;The average age is 59.0 years old;All 14 cases were single tumors,with an average maximum diameter of 7.3 cm;8 cases were located in the abdomen(2 in the adrenal gland,2 in the kidney,2 in the abdominal cavity,and 6 in the pelvic cavity).On plain CT scan,SFT mainly showed isodensity or slightly low density,with 8 cases accompanied by cystic degeneration and necrosis,and 1 case accompanied by calcification.The dynamic enhanced CT scan showed gradual or rapid ascending plateau type enhancement,with 11 cases showing"earthworm drilling sign"in the arterial phase and 10 cases showing"map like"enhancement in the portal phase.SFT was mainly composed of spindle cells and collagen fibers in histology,and the positive rates of CD34,Vimentin,STAT6,and Bcl-2 in immunohistochemistry were relatively high.Conclusion The CT manifestations of abdominal and pelvic SFT have certain characteristics,especially"map like"enhancement and"earthworm burrowing sign",which are helpful for the diagnosis and differential diagnosis of this disease.

关 键 词：孤立性纤维瘤 腹盆部 计算机体层摄影 病理学 

分 类 号：R445.3[医药卫生—影像医学与核医学]