Abstract
The patient was male 21 year-old-farmer who had been suffered from nasal obstruction, rhinorrhea, headache and dullness. Malfomation of the right ear, saddle nose, atrophic rhinitis and anosmia were observed.
The plastic operation opening the choanal atresia was done through the transpalatinal method under the general anesthesia. The choanae were obstructed with the membranous connective tissue, which were histologically composed of the fibrous tissue, glandular structure, striated muscles, nervous tissue, etc, but the osseous tissue and cartilage tissue were not found anywhere in the sections.
By the operation, the remarkable improvements of speech and hearing were obtained.
At present, one year after the operation, the patient has no trouble and no complaint about breathing through the nose.
