女婴,2月,足月顺产,吮奶正常,一般情况佳。产后即发现右季肋部隆起,逐渐增大,约10cm×10cm隆起。随呼吸上下移动约5cm,肿块质软,表面光滑,边界不清,自肿块向上可触及肋骨下缘,由后上向前下走行,向后可触及胸椎侧壁,向下可触及数根肋骨上缘及前缘。X片示:(1)脊柱头端向左弯曲畸形;(2)右第7、8肋骨缺如;(3)左第5肋骨缺如;(4)左第6、7肋骨部分融合。其父母非近亲结婚,孕期无患病及服药史。 Baby girl, February, term full-term, suck milk normal, the general situation is good. Postpartum found that right quarter rib uplift, and gradually increased, about 10cm × 10cm uplift. Move up and down with the breathing about 5cm, the mass is soft, smooth surface, the boundary is unclear, from the mass up to reach the lower edge of the ribs, from the back up and down the walk, the back can touch the thoracic wall, down to reach the number of ribs Upper edge and front edge. X-ray showed: (1) the left side of the spine bending deformity; (2) the right 7,8 ribs lack of; (3) the left fifth rib absent; (4) left 6,7 rib section fusion. His parents were married to non-relatives and had no history of illness or medication during pregnancy.