atresia

1.ObjectiveTo evaluate the angiocardiography of pulmonary atresia with intact ventricular septum (PA/IVS) for interventional radiology.

目的研整的肺动脉闭锁(PA/IVS)心血管造影的诊断价值。

2.Choanal atresia is often related to the presence of a congenital abnormality and only a few cases involve the occurrence of mucosal fibrosis of the surrounding choana after trauma.

摘要后鼻孔闭锁大多数与先天性发育畸形有关，少部分因放射治疗导致后鼻孔周围黏膜组织伤害引起纤维化形成。