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患儿生后2小时死亡,其母26岁、农民,第一胎足月分娩。大体解剖:身长35厘米(cm),眼眶变浅,眼球向前突出,面仰向天,下颏和胸连在一起,而没颈部.顶枕颈后皮肤缺损6×4cm,顶枕骨缺如,枕骨大孔扩大,颈椎融合,头颈向后。揭开头皮见厚0.5—1cm紫红色无定形团块组成的脑组织,不见正常脑皮髓质。颅底骨无明显畸形,但未见间脑及垂体。胸腔变小。肺位于胸两侧肋角处,左肺2克,右肺5克。但肺外观正常。胸腺位于颈前胸骨下重18.5克。从口咽部开始纵贯纵隔越横隔到上腹部可见15×10cm囊肿。表面灰白色,壁厚0.1cm,内含粘稠液体。横隔两边只剩0.2cm宽,与囊间有疏松结缔组织相连。心位于胸腔左侧.
Children born 2 hours after birth, the mother of 26 years old, farmer, first full-term childbirth. General anatomy: 35 cm in length, shallow orbital eyes, prominent forward eyes, face up to the sky, chin and chest connected together, without the neck. Top occipital neck skin defect 6 × 4cm, the top of the occipital defect For example, enlarged foramen magnum, cervical fusion, head and neck backwards. Uncover the scalp to see thick 0.5-1cm purple-red amorphous clumps of brain tissue, no normal brain cortex medulla. Skull bone no obvious deformity, but no brain and pituitary gland. Chest smaller. Lung is located in the ribs on both sides of the chest at the left lung 2 grams, 5 grams of the right lung. However, the appearance of normal lungs. Thymus in the anterior cervical sternum weighing 18.5 grams. From the oropharyngeal longitudinal mediastinal across the diaphragm to the upper abdominal visible 15 × 10cm cyst. Gray-white surface, wall thickness 0.1cm, containing viscous liquid. Only 0.2cm wide on both sides of the diaphragm, loose connective tissue between the cysts are connected. The heart is located on the left side of the chest.