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本研究的目的是了解鼻咽癌放疗后出现进行性牙关紧闭症状病人的咀嚼结构的MRI表现。研究回顾了鼻咽癌放疗后出现明显牙关紧闭症状的35例病人的颈部MRI检查资料并分析其咀嚼结构的MRI表现特点。病例的入选标准:病人接受鼻咽癌放疗后出现牙关紧闭,即上下切牙间隙≤25mm。但是出现以下情况的
The purpose of this study was to understand the MRI manifestations of chewing structures in patients with progressive occlusion of nasopharyngeal carcinoma after radiotherapy. The study reviewed 35 cases of nasopharyngeal carcinoma after radiotherapy showed obvious symptoms of clavicular neck MRI examination data and analysis of the MRI features of the chewing structure. Case selection criteria: Patients with nasopharyngeal carcinoma after radiotherapy occlusion, that is, the gap between the upper and lower incisors ≤ 25mm. However, the following situations occur