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- Background: Congenital Choanal atresia is an uncommon malformation. 摘要背景：后鼻钆闭锁为不常见的先天性异常。
- Acquired posterior choanal atresia is a known post-radiotherapy complications. 后天性后鼻孔闭锁属于鼻咽癌放射治疗后并发症之一。
- Objective: To study a new method for the treatment of congenital membranous choanal atresia. 摘要目的：探讨治疗先天性后鼻孔膜性闭锁的新方法。
- Conclusion: This method has advantages of clear operational field, less hemorrhage and damage in treating congenital membranous choanal atresia. 结击：鼻内镜下等离子刀手术治疗先天性后鼻孔膜性闭锁，视野清晰，出血少，损伤小，治疗彻底，不易复发，是一种非常有效的治疗方法。
- Method: Three patients with congenital membranous choanal atresia were treated with plasma surgery system (PSS) under nasal endoscopy. 方法：鼻内镜下应用等离子刀治疗3例先天性后鼻孔膜性闭锁的患者。
- Objective To explore the surgical treatment of congenital choanal atresia (CCA). 目的探讨先天性后鼻孔闭锁的手术时机和手术方式。
- Conclusion: The mainstay of treatment for congenital choanal atresia is surgery. 结论：后鼻孔闭锁的治疗以手术为主。
- Congeital choanal atresia is an uncommon anomaly.Approximately 60 % of cases are reported as having bilateral atresia. 摘要后鼻孔闭锁并非常见的先天性异常，大约60%25的病例为两侧性。
- Objective:In order to know efficacy of microwave to treat the secondary choanal atresia under nasal endoscope. 目的：探讨治疗鼻咽癌放疗后后鼻孔闭锁的新方法。
- Method Adopting choanal atresia to ablate 51 cases with maxillary sinus well ordered anticipate pathological changes by canine nest and mid nasal road. 方法采用经鼻内窥镜下经犬齿窝和中鼻道联合进路的方法切除上颌窦占位病变。
- Computed tomography demonstrated in detail the underlying anatomical abnormality and allowed its proper differentiation from choanal atresia. 电脑断层摄影为诊断此一疾病之最好工具，而且可以用来和鼻后孔闭锁做一鑑别诊断。
- Method :Three patients suffering from membranous choanal atresia due to radiotherapy of nasopharyngeal carcinoma (NPC) were treated by microwave under nasal endoscope. 方法：采用鼻内窥镜下微波手术，对3例鼻咽癌放疗后后鼻孔膜性闭锁的患者进行治疗。
- 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。
- Hummer therapy of radiotherapeatical choanal atresia under nasal endoscope 鼻内窥镜下全自动吸切系统治疗放疗性后鼻孔闭锁
- Keywords choanal atresia;nasal endoscope;power instrument;surgical treatment; 关键词后鼻孔闭锁;鼻内窥镜;电动吸切器;外科治疗;
- Effect of radio frequency of radio therapeutical choanal atresia in NPC under nasal endoscope 经鼻内窥镜射频治疗鼻咽癌放疗后鼻后孔闭锁
- Keywords Maxillary sinus knub;Choanal atresia;Canine nest;Mid nasal road operation; 上颌窦肿瘤;鼻内窥镜;犬齿窝;中鼻道手术;
- 8.Objective: To study a new method for the treatment of congenital membranous choanal atresia. 摘要目的：探讨治疗先天性后鼻孔膜性闭锁的新方法。
- 6.Objective: To study a new method for the treatment of congenital membranous choanal atresia. 摘要目的：探讨治疗先天性后鼻孔膜性闭锁的新方法。
- 6.Conclusion: This method has advantages of clear operational field, less hemorrhage and damage in treating congenital membranous choanal atresia. 结击：鼻内镜下等离子刀手术治疗先天性后鼻孔膜性闭锁，视野清晰，出血少，损伤小，治疗彻底，不易复发，是一种非常有效的治疗方法。
