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目的：显示不同脑内疾病可表现为相似的脑内弥漫性ＣＴ改变。材料与方法：对１５例患者做脑ＣＴ平扫与增强扫描，其中包括４种病变：脑囊虫病、脑结核、脑转移瘤和脑胶质细胞增生。结果：ＣＴ主要改变为脑水肿、脑内弥漫性小强化结节、小囊状低密度灶及阻塞性脑积水。结论：脑内弥漫性病变系由于多种疾病所致，有时缺乏特征性，为达到正确诊断，重要的是应紧密结合病史、实验室检查及其他影像检查所见进行判断。
Purpose: To show diffuse CT changes in different brain lesions that may manifest as similar. MATERIALS AND METHODS: CT scans and enhanced scans of 15 patients were performed, including 4 lesions: cysticercosis, cerebral tuberculosis, brain metastases and glial cell proliferation. Results: The main changes of CT were cerebral edema, diffuse small enhanced nodules, small cystic low density lesions and obstructive hydrocephalus. CONCLUSIONS: Diffuse diffuse lesions in the brain are caused by a variety of diseases and sometimes lack specificity. In order to achieve a correct diagnosis, it is important to closely follow the medical history, laboratory tests and other imaging findings.