患儿 男性。1985年10月23日出生后即发现枕部有一个如同乒乓球大小囊性肿块,渐进性肿大,生后27天肿物比本人脑袋肿大一倍、如同一个中等大西瓜。精神、食欲尚可,于1985年11月20日收入院治疗。术前检查:神志清楚,头颅畸形,呈舟状头,叩击有破壶音,四肢活动自如,枕部囊性包块呈椭圆形,囊壁菲薄、囊内充满液体,肿物基底较宽,皮肤表面光滑,肿物约20×20×15cm 大小,透光 Children with children. October 23, 1985 was found after birth that there is a pillow as a cystic mass cystic mass, gradual enlargement, 27 days after birth, swollen than my head twice as large as a large watermelon. Spirit, appetite is acceptable, on November 20, 1985 income hospital treatment. Preoperative examination: Consciousness, head deformity, was a boat-shaped head, percussion broken pot sounds, limbs freely, occipital cystic mass was oval, thin wall, the capsule filled with liquid, wide tumor base , Smooth skin surface, the size of about 20 × 20 × 15cm, transparent