後天性後鼻孔閉鎖症の一例

概要

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A case of choanal atresia of unknown origin is reported. A 50-year-old female had been complaining of n asal obustruction for 3 years. Bilateral nasal cavities were found to be completely closed at the depth of the orifice of the auditory tube. The soft palate adhered of the posteior pharyngeal wall and was paralyzed completely. Surgical incision was made at the margin of the soft and hard palate, and the adhesive connective tissue was removed from the choana, reconstructing the nasopharyngeal space with rest of the mucosa. However, tendency of adhesion was observed du e to the soft palate palsy and then re-operation was performed to the create the mucosal lining with the soft palatal mucosa. Appropriate nasal passage has been obtained for 16 months since the first operation, and the case followed up closely.
耳鼻咽喉科臨床学会の論文