胼胝体变性临床罕见 ,仅见个案报道[1,2 ] ,笔者在工作中遇到 1例 ,其病史、临床表现及ＣＴ表现较典型 ,报告如下。1　临床资料患者　男 ,48岁。因头晕、视物模糊、言语不清 2月余就诊。患者嗜酒 3 0年 ,日饮白酒 2～ 3次 ,日饮白酒量约 5 0 0ｍｌ。查体 :心肺正常 ,肋下 3ｃｍ The corpus callosum degeneration clinically rare, only case reports [1,2], I encountered in the work of 1 case, its history, clinical manifestations and CT performance is more typical, the report is as follows. 1 clinical data patient male, 48 years old. Due to dizziness, blurred vision, unclear speech more than 2 months treatment. Patients 30 years of alcohol, drink 2 to 3 times a day, daily drink liquor about 500ml. Physical examination: normal heart and lung, ribs 3cm