联体畸形是罕见的先天性畸形,其发病率约为1/5万～10万,其中胸腹联体发病率为73.5%,臀部联体为18.8%,坐骨联体为5.9%,头部联体为1.7%[1]。大多数联体儿在胚胎时或出生后即死亡,能成功进行分离,术后两婴儿存活的病例更罕见。充分的术前准备及合理的分离术式可提高患儿的存活率,现就胸腹联体畸形的诊断和治疗进展综述如下。 Congenital deformity is a rare congenital malformations, the incidence rate of about 1/5 million ~ 100,000, of which the incidence of chest and abdomen was 73.5%, hip joint body was 18.8%, the body was 5.9%, the head Federation of 1.7% [1]. Most of the conjoined children died during or after the embryo, successfully separating, and the two infants surviving after surgery were even more rare. Adequate preoperative preparation and reasonable separation of surgery can improve the survival rate of children, now the diagnosis and treatment of thoracoabdominal conjunctival dementia are summarized below.