患者　女 ,7岁 ,出生后 3个月开始出现癫痫 ,反复发作至今。体检 :左侧肢体乏力 ,智力低下 ,右颜面部可见紫红色血管瘤。CT表现 :头颅不对称 ,右侧大脑半球明显较左侧小 ,右额、颞、顶、枕叶脑回广泛曲线状钙化 ,CT值约 95HU ,右侧脑沟、脑裂增宽、加深 ,右侧脑室较对侧大 (图 Female patient, 7 years old, three months after birth, epilepsy began, recurrent so far. Physical examination: left limb weakness, mental retardation, right facial visible purple hemangioma. CT manifestations: asymmetric head, the right hemisphere was significantly smaller than the left, right forehead, temporal, top, occipital lobe extensive curved calcification, CT value of about 95HU, the right sulci, brain crack broaden, deepen, The right ventricle than the opposite large (Figure