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目的评价脑CT检查在精神发育迟滞分级诊断的临床应用价值。方法已完成精神发育迟滞分级鉴定的200例患者中,有脑CT检查资料的90例进行CT结果与不同分级进行比对。结果90例患者中,CT检查结果异常48例(占53.3%)、正常42名(占46.7%)。其中,Ⅰ级17例,异常14例(占82.4%)、Ⅱ级39例,异常20例(占51.3%)、Ⅲ级18例,异常9例(占50%)、Ⅳ级16例,异常5例(占31.3%)。结论脑CT检查对精神发育迟滞患者的诊断与分级有较大的帮助,特别是对Ⅰ级(极重度)患者的诊断有积极的意义。
Objective To evaluate the clinical value of brain CT in the classification of mental retardation. Methods Out of the 200 patients who had completed the mental retardation classification, 90 patients who had brain CT examination were compared with different grades. Results Of the 90 patients, CT findings were abnormal in 48 cases (53.3%) and normal (42.7%). Among them, 17 cases were grade Ⅰ, 14 cases were abnormal (82.4%), 39 cases were grade Ⅱ, 20 cases were abnormal (51.3%), 18 cases were grade Ⅲ, 9 cases were abnormal (50%), 16 cases were grade Ⅳ 5 cases (31.3%). Conclusion Brain CT examination is helpful for the diagnosis and grading of patients with mental retardation, especially for the diagnosis of grade Ⅰ (very severe) patients.