Ma Wanling, Huang Xu, Xie Nanai, Tan Qi, Zhang Heng, Zhu Yuhui, Li Xingzhi
Department of Radiology, The Second Affiliated Hospital, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong Province, 518172, China.
Department of Pathology, The Second Affiliated Hospital, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong Province, 518172, China.
BJR Case Rep. 2022 Nov 1;8(6):20220086. doi: 10.1259/bjrcr.20220086.
We report a case of inflammatory myofibroblastic tumor of the bladder (IMTB) that arises from left posterior bladder wall. The IMTB usually demonstrates slight hypointensity on T1WI, heterogeneous bright hyperintensity on T2WI, hyperintensity on DWI, and no restricted diffusion on ADC map. IMTB exhibits irregular ring enhancement and scatters stripe-like enhancement in central area with progressive and persistent enhancement pattern on CE-MRI. High-contrast multisequence MRI may be a potential technique to distinguish IMTB from other bladder tumors.
我们报告一例起源于膀胱左后壁的膀胱炎性肌纤维母细胞瘤（IMTB）。IMTB在T1加权成像（T1WI）上通常表现为轻度低信号，在T2加权成像（T2WI）上为不均匀高信号，在扩散加权成像（DWI）上为高信号，在表观扩散系数图（ADC图）上无扩散受限。IMTB在对比增强磁共振成像（CE-MRI）上表现为不规则环形强化，并在中心区域散在条纹状强化，呈渐进性和持续性强化模式。高对比度多序列磁共振成像可能是一种将IMTB与其他膀胱肿瘤区分开来的潜在技术。
