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目的探讨鼻咽癌放疗前后腭帆张肌横截面积的改变与放射性中耳炎的相关性。方法回顾性分析苏州市吴江区第一人民医院2007年1月至2011年1月就诊的36例接受放射性治疗的鼻咽癌患者的临床资料,于放疗前后分别测量所有患者上腭帆张肌及翼内肌的横截面积,比较放疗前后的差异,并分析患者于放疗后发生放射性中耳炎与腭帆张肌受损之间的相关性。结果放疗后共24例(44耳)并发分泌性中耳炎;放疗后STVP、SLTVP、SRTVP、SLTVPM、SRTVPM、SLTVPF、SRTVPF、SM P、SLM P及SRM P与放疗前相比明显下降(P<0.05);腭帆张肌萎缩耳中分泌性中耳炎的发生率明显高于腭帆张肌无萎缩耳者(72.92%vs 37.50%,χ2=8.445,P=0.004)。结论放疗后鼻咽癌患者的腭帆张肌与翼内肌会发生萎缩,而放疗后分泌性中耳炎的发生与腭帆张肌的萎缩可能有一定的相关性。
Objective To investigate the correlation between the change of cross-sectional area of palatal-sternotomy muscle and radiation otitis media before and after radiotherapy for nasopharyngeal carcinoma. Methods The clinical data of 36 patients with nasopharyngeal carcinoma treated by radiotherapy from January 2007 to January 2011 in First People’s Hospital of Wujiang District of Suzhou City were retrospectively analyzed. Before and after radiotherapy, all patients’ The cross-sectional area of the wing was compared with that before and after radiotherapy, and the correlation between radiosotrophic otitis media and the damage of palatal stenosis was analyzed. Results A total of 24 cases (44 ears) had secretory otitis media after radiotherapy. The levels of STVP, SLTVP, SRTVP, SLTVPM, SRTVPM, SLTVPF, SRTVPF, SM P, SLM P and SRM P decreased significantly after radiotherapy ). The incidence of secretory otitis media in atrophic ear of palatal fan was significantly higher than that of non-atrophic ear in rabbits (72.92% vs 37.50%, χ2 = 8.445, P = 0.004). Conclusion The atrophy of the pterygium and the wing muscle of the nasopharyngeal carcinoma patients after radiotherapy may be atrophy. However, the occurrence of secretory otitis media may be related to the atrophy of the palatal stenosis.