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目的探讨鼻咽癌放射治疗后放射性脑病的影像学临床诊断。方法择取从2013年3月至2016年3月于本院进行治疗的50例REP患者,上述患者经放射性治疗和MRI复查,观察各组患者的病灶变化。结果(1)50例患者中有67个病灶,其中斑片状的有54个,不规则形的有13个,67个病灶当中,发生占位效应的有3例。(2)25例患者经多次的MRI检查,6例患者的病灶缩小或是消失,10例患者的病灶无变化;5例患者的病灶增大,4例患者的表现特殊。结论经鼻咽癌放射治疗后产生的REP,其MRI表现为一定特征性,可将其作为REP的诊断方法。
Objective To investigate the radiological diagnosis of nasopharyngeal carcinoma after radiotherapy. METHODS: Fifty patients with REP who were treated in our hospital from March 2013 to March 2016 were retrospectively analyzed by radiotherapy and MRI to observe the changes of lesions in each group. Results (1) Among the 50 patients, there were 67 lesions, of which 54 were patchy and 13 were irregular. Among the 67 lesions, 3 occurred in the placeholder effect. (2) Twenty-five patients underwent multiple MRI examinations. The lesions of 6 patients were reduced or disappeared. The lesions of 10 patients showed no change. The lesions of 5 patients increased and the performance of 4 patients was special. Conclusions The REPs produced after radiotherapy of nasopharyngeal carcinoma have certain characteristics of MRI and can be used as a diagnostic method for REP.