Results The internal occipital protuberance was seen earlist at four-month-old-infant,and growth with age.The shape of the internal occipital protuberance w...

• 结论正常人枕内隆凸高度差异大,形态多样,枕内隆凸大的弧形压迹是诊断枕大池蛛网膜囊肿的重要征象。