66例松果体区不同类型肿瘤的CT和MRI表现特征分析  

The Analysis of CT and MRI Features of 66 Different Pineal Region Masses

作　　者：邹明 刘长林 秦永源 曾凡勇 姚利华 蔡建国 李文华 Zou Ming;Liu Chang-lin;Qin Yong-yuan;Zeng Fan-yong;Yao Li-hua;Cai Jian-guo;Li Wen-hua(Department of Medical Imaging,Chongming Hospital Affiliated to Shanghai University ofMedicine and Health Sciences,Chongming 202150,Shanghai,China 2.Department of Radiology,Xinhua Hospital Affiliated to Shanghai Jiao Tong University School ofMedicine,Shanghai 200092,China)

机构地区：[1]上海健康医学院附属崇明医院医学影像科,上海202150 [2]上海交通大学医学院附属新华医院放射科,上海200092

出　　处：《中国CT和MRI杂志》2024年第2期8-10,共3页Chinese Journal of CT and MRI

摘　　要：目的探讨松果体区不同类型肿瘤的CT和MRI表现特征。方法对经手术病理证实的66例松果体区肿瘤的CT和MRI资料进行回顾性,纪录肿瘤的类型、大小、形态、钙化、密度、信号、表观弥散系数(ADC)值和强化特征。结果66例中,生殖细胞肿瘤37例,星形细胞瘤13例,松果体细胞肿瘤12例,非典型性畸胎瘤样/横纹肌样瘤2例,室管膜瘤2例。全部肿瘤呈类圆形,最大径范围为1.41-5.15cm,均值为3.25±1.04cm。肿瘤ADC值范围0.52-1.46×10^(-3)mm^(2)/s,均值为1.01±0.25×10^(-3)mm^(2)/s。54.5%瘤内或边缘见钙化;33.3%肿瘤呈混杂密度及信号,增强后肿瘤实性成分均见强化。结论松果体区不同类型的肿瘤CT密度、钙化和MR信号特征及ADC值存在一定差异,结合CT和MRI特征有利于术前正确诊断。Objective To investigate the CT and MRI features of 66 different masses in pineal region.Methods CT and MRI data of 66 pineal region tumors confirmed by surgery and pathology were retrospectively analyzed.The type,size,shape,calcification,density,signals,apparent diffusion coefficient(ADC)value and enhancement pattern of the tumors were recorded.Results Of the 66 cases,37 were germ cell tumors,13 astrocytomas,and 12 pineal cell tumors,2 atypical teratoma like/rhabdomyoid tumor,2 ependymoma.All tumors were round,the maximum diameter ranged from 1.41 to 5.15 cm,and the average value was 3.25±1.04 cm.Tumor ADC value ranged 0.52 to 1.46×10^(-3)mm^(2)/s with a mean value 1.01±0.25×10^(-3)mm^(2)/s.54.5%of pineal region masses had calcification within tumor or at its margin;33.3%of the tumors showed mixed density and signals,and solid components of the tumors showed enhancement after enhancement.Conclusion There are differences in CT density,calcification,MR signal characteristics and ADC values among different types of tumors in the pineal region.CT and MRI combined features are helpful for correct preoperative diagnosis.

关 键 词：松果体 松果体区肿瘤 CT MRI 儿童 

分 类 号：R585[医药卫生—内分泌] R445.2[医药卫生—内科学]