豆状核为基底节区的重要结构，脑缺血及代谢病变常殃及该部位，对称性豆状核病变致CT低密度，为一些疾病的特殊表现，本文总结近年本院CT所见14例并结合文献复习，提出引起豆状核病变的常见疾病，引起人们的警觉。材料与方法：临床及CT资料完整病例并14例，男7例，女7例，年龄6 Leptospirosis is an important structure of the basal ganglia, cerebral ischemia and metabolic diseases often affect the site, symmetric lepromatosis caused by CT low density, is a special manifestation of some diseases, this article summarizes the recent hospital CT findings 14 Cases combined with literature review, put forward the common cause of lepromatosis, causing people’s alert. Materials and Methods: Clinical and CT data of 14 cases complete, 7 males and 7 females, age 6