患者女性,13岁。因左下肢不自主抽搐2年余,数天前全身抽搐1次伴意识障碍入院。脑电图检查提示正常。头颅MRI示:右侧额颞部颅骨内板下方与脑皮层之间可见不规则异常信号影(约5.5 cm×1.2 cm),T1WI呈低信号(图1),T2WI及T2WI液体衰减反转恢复(FLAIR)序列像上呈高信号(图2、3),呈膨胀性生长,邻近脑组织受压内移,未见明显水肿,脑沟增宽,右侧额骨内板变薄;增强扫描病灶呈不均匀的小环形、结节状强化(图4～6)。 Patient female, 13 years old. Due to involuntary left ventricular twitch more than 2 years, a few days ago convulsions with consciousness disturbance admission. EEG check prompts normal. Head MRI showed abnormal signals (about 5.5 cm × 1.2 cm) between the frontal frontotemporal skull inner plate and the cerebral cortex, low signal intensity on T1WI (Fig. 1), reversal of T2WI and T2WI fluid attenuation (FLAIR) showed high signal intensity (Figures 2 and 3), which showed a swollen growth. There was no significant edema in the adjacent brain tissues, widening of the sulci and thinning of the right frontal lamina. Lesions showed a non-uniform small ring, nodular enhancement (Figure 4 ~ 6).