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目的：通过对中颞叶最小宽度进行简单测量，探讨颞叶萎缩与认识功能障碍的密切关系。材料与方法：３０名受检者全部通过简易精神状态检查（ＭＭＳＥ）检测，并使用ＣＴ对颞叶进行负角薄层扫描。结果：从正常人中区分Ａｌｚｈｅｉｍｅｒ型痴呆（ＤＡＴ）患者，ＭＭＳＥ可作为一种筛查工具，而中颞叶最小宽度测量，其敏感性、特异性均高，对诊断也是有价值的。结论：中颞叶最小宽度的测量可以作为ＤＡＴ患者初步诊断的一个放射学指标。
Objective: To investigate the relationship between temporal lobe atrophy and cognitive dysfunction through a simple measurement of the minimum width of the medial temporal lobe. MATERIALS AND METHODS: Thirty subjects were all examined by Mini-Mental State Examination (MMSE), and CT scanning of the temporal lobe was performed. Results: MMSE can be used as a screening tool to differentiate Alzheimer’s disease (DAT) from normal people. However, the minimum width measurement of mid-temporal temporal lobe is sensitive and specific and valuable for diagnosis. Conclusion: The measurement of the minimum width of medial temporal lobe can be used as a radiological index for primary diagnosis of DAT.