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目的：通过脑血吸虫病的CT表现和术后病理材料进行回顾性分析，探讨脑血吸虫病的CT分型及其价值。材料与方法:搜集1990～1998年我院脑血吸虫病26例，其中12例经手术病理证实，14例CT结合患者疫水接触史和实验室检查证实，对CT表现进行分析，结合病理讨论CT分型。结果：25例为单发病灶，1例为多发病灶（2个灶），共27个病灶。右侧大脑半球16个病灶（59.3％），其中额叶6个，额顶叶3个，枕顶叶7个。左侧大脑半球11个病灶（40．7％），其中额叶4个，额顶叶2个，枕顶叶5个。病灶呈炎性水肿样改变2例，梗塞样改变3例，不规则结节伴水肿13例，局限性脑萎缩8例。脑炎型2例（7.8％）．脑梗塞型3例（11.5％），结节型13例（50％），另8例（30．8％）局限性脑萎缩表现届后遗改变，不宜分型。结论：CT分型有助于诊断和临床治疗的选择。
OBJECTIVE: To investigate the CT classification of cerebral schistosomiasis and its value by retrospective analysis of CT manifestations and pathological materials of cerebral schistosomiasis. MATERIALS AND METHODS: Totally 26 cases of cerebral schistosomiasis were collected in our hospital from 1990 to 1998. Twelve of them were confirmed by operation and pathology. Fourteen cases of CT combined with water exposure history and laboratory tests confirmed the CT manifestations and CT Type. Results: 25 cases of single lesions, 1 case of multiple lesions (2 lesions), a total of 27 lesions. The right hemisphere 16 lesions (59.3%), of which 6 were frontal, frontal 3, frontal 7. The left hemisphere 11 lesions (40.7%), of which 4 were frontal, frontal 2, frontal 5. The lesions were inflammatory edema-like changes in 2 cases, infarction-like changes in 3 cases, irregular nodules with edema in 13 cases, localized atrophy in 8 cases. 2 cases of encephalitis (7.8%). Cerebral infarction in 3 cases (11.5%), nodular in 13 cases (50%), and the other 8 cases (30.8%) of the limitations of brain atrophy after the performance of the future changes should not be sub-type. Conclusion: CT typing is helpful for the diagnosis and choice of clinical treatment.