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放射性脑病是放疗后远期效应之一,文献报道多为局部C T表现,即局部指掌状低密度区改变的脑软化现象“’,以全脑萎缩性改变者末见报道。现将一例鼻咽癌放疗后2年经核磁共振证实为全脑萎缩者报道如下: 患者女性、34s、已婚、r]诊号B 73465。1988年确诊患鼻咽癌TZ NZ M。回期,病理:鼻咽低分化鳞癌。于1988年2月3日至4月11日在我院放射治疗,直加常规两耳前野十界前野三野照射,鼻咽原发灶:D T 66Gy/73天/33次,颈部前后分割野36Gy,后垂直20Gy。放疗后至今多次随诊及鼻咽C T复查鼻咽和颈未
Radiation-induced encephalopathy is one of the long-term effects after radiotherapy, and most of the reports in the literature are local CT manifestations, that is, the phenomenon of brain softening that changes in the local palm-like low-density area, and is reported at the end of the whole brain atrophy change. Two years after radiotherapy for pharyngeal carcinoma, MRI confirmed that the whole brain atrophy was reported as follows: Patient female, 34s, married, r] diagnosis number B 73465. He was diagnosed with nasopharyngeal carcinoma TZ NZ M in 1988. Retrospective, pathology: nose Poorly differentiated squamous cell carcinoma of the pharyngeal, treated with radiotherapy in our hospital from February 3rd to April 11th, 1988, plus conventional two ears, wild wilderness, wild field, three fields, nasopharyngeal primary lesions: DT 66Gy/73 days/33 times Before and after the neck, the wild 36Gy was segmented, followed by 20Gy. After radiotherapy, multiple follow-up visits and nasopharyngeal CT examinations were performed.