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MRI对原发性空蝶鞍综合征的诊断价值

, PP. 18-20

Keywords: 原发性空蝶鞍综合征,磁共振成像

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Abstract:

目的探讨磁共振成像(magneticresonanceimaging,MRI)对原发性空蝶鞍综合征的诊断价值。方法对有头颅MRI检查并有完整临床资料的原发性空蝶鞍患者36例进行研究。采用矢状面T1WI、冠状面T1WI,横断面T1WI、T2WI,9例行钆对比增强扫描。结果原发性空蝶鞍综合征患者蝶鞍的MRI表现主要有鞍区增大、鞍底下陷、鞍内为典型的长T1、长T2脑脊液信号;垂体受压变扁紧贴于鞍底,受压垂体信号无异常改变,垂体柄延长直达鞍底。其临床表现主要有:顽固性头痛、头晕、视力障碍、内分泌紊乱等症状。结论原发性空蝶鞍综合征具有典型的MRI表现,MRI可清晰显示空蝶鞍,MRI应作为原发性空蝶鞍综合征的首选影像学检查方法。?

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