胼胝体发育正常的胼胝体周围脂肪瘤一例:胎儿期及生后MRI表现  

Prenatal and postnatal MRI findings of fetal pericallosal lipoma with normal corpus callosum:a case report

作　　者：李欢[1,2] 梅豪 段洁 胡金香 Li Huan;Mei Hao;Duan Jie;Hu Jinxiang(Department of Radiology,Zhongnan Hospital of Wuhan University,Wuhan 430071,China;Hubei Clinical Researh Center for Prenatal Diagnosis and Birth Health,Wuhan 430071,China;Department of Gynecology and Obstetrics,Zhongnan Hospital of Wuhan University,Wuhan 430071,China)

机构地区：[1]武汉大学中南医院医学影像科,430071 [2]湖北省产前诊断与优生临床医学研究中心,武汉430071 [3]武汉大学中南医院妇产科,430071

出　　处：《中华围产医学杂志》2021年第3期230-232,共3页Chinese Journal of Perinatal Medicine

摘　　要：本文报道了1例MRI产前诊断胼胝体周围脂肪瘤并生后随访的病例。该病例2019年2月就诊于武汉大学中南医院,孕31周^(+6)、38周^(+3)及生后2 d和3个月共进行了4次胎儿/新生儿MRI检查,使用了多种MRI序列和成像方法。MRI显示胼胝体发育正常,病灶位于胼胝体周围,呈T1加权成像高信号T2加权成像中高信号,抑脂序列信号减低,磁敏感加权成像及时间飞越技术磁共振血管成像未见异常畸形血管。综合产前及生后MRI表现,临床诊断为胼胝体周围脂肪瘤。We describe the prenatal diagnosis and postnatal follow-up of a fetus with a pericallosal lipoma diagnosed by MRI.The pregnant woman was admitted to Zhongnan Hospital of Wuhan University in February 2019.MRI examinations with multiple sequences and imaging methods were performed prenatally at 31+6 and 38+3 weeks of gestation,and at two days and three months postnatally.The MRI images showed that the corpus callosum was normal and the lesion was located around the corpus callosum,with high signal intensity on T1 weighted imaging,medium-to-high signal intensity on T2 weighted imaging,and low signal intensity on fat suppression sequence.No abnormal blood vessels were found on susceptibility-weighted imaging and time-of-flight magnetic resonance angiography sequences.Based on the prenatal and postnatal MRI findings,the tumor was clinically diagnosed as a pericallosal lipoma.

关 键 词：胼胝体 脑肿瘤 脂肪瘤 胎儿疾病 产前诊断 磁共振成像 

分 类 号：R714.5[医药卫生—妇产科学] R445.2[医药卫生—临床医学]