Nostril atresia

Introduction The cause of nostril atresia can be caused by prenatal embryo developmental disorders or acquired inflammation, smallpox, trauma, etc. It can be divided into two types: anterior nares and atresia, which are congenital, often accompanied by other parts. First major deformities such as strabismus, external auditory canal atresia, and multiple finger (toe) deformities. The anterior nostril atresia (atresia of anterior nares) is absent and absent, and the patient breathes. Atresia of posterior nares (atresia of posterior nares) due to the presence of the anterior nares, the appearance is not easy to detect, the patient's mouth breathing may be the only symptom, try to put the slender cotton silk in front of the front nostrils, does not appear under normal circumstances, cotton silk with breathing The air is fluttering.

Cause

The cause of the disease can be caused by prenatal embryo developmental disorders or acquired inflammation, smallpox, trauma, etc. It can be divided into two types: anterior nares and atresia. This disease is congenital, often accompanied by other parts. Sexual malformations such as strabismus, external auditory canal atresia, and multiple finger (toe) deformities. It is mainly the use of drugs during pregnancy and the examination of radiation. Or a type of fetal malformation caused by improper diet, mental stimulation, etc.

an examination

Related inspection

Otolaryngology CT examination nasal examination

First, the front nostril atresia: X-ray film helps to determine the nature and thickness of the atresia.

Second, the posterior nostril atresia: X-ray film includes injection of contrast agent for contrast examination, which helps to determine the nature of the atresia, the nature and thickness of the atresia, and CT scan, which can more accurately display the relevant situation of the occlusion.

Differential diagnosis

Congenital intranasal meninges - brain swelling, nasal polyps, adenoid hypertrophy, nasopharyngeal swelling, foreign body, scarring stenosis and nasal septum deviation caused by nasal obstruction.

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