女 ,5 4岁 ,因头晕、头痛 1月余入院。查体无异常。头颅CT平扫见右颞枕区颅板下一梭形影 ,边缘较光滑 ,呈等高混杂密度 ,其内见斑块状高密度钙化影 ,CT值在 44～ 12 8HU之间 ,大小约 7.0cm× 5 .0cm× 4.3cm(图 1) ,骨窗见局部颅骨内板受压吸收 ,外板尚连续 (图 2 )。图 1　CT Female, 5 4 years old, due to dizziness, headache more than 1 month admitted to hospital. No abnormalities in the examination. Skull CT scan to see the right temporal occiput skull under a spindle shadow, the edge is relatively smooth, was mixed with a high density, which see the plaque-shaped high-density calcification, CT value of 44 ~ 12 8HU, the size of about 7.0 cm × 5 .0cm × 4.3cm (Figure 1), bone window to see the local absorption of the skull inner plate, the outer plate is still continuous (Figure 2). Figure 1 CT