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Background: Stenosis of the anterior nostril will not only affect the beauty but also affect the respiratory function of the nose. Objectives: We explore the clinical application value of expansion mold in treating and preventing anterior nostril stenosis. Material and methods: We analyzed 12 cases of anterior nostril stenosis and 3 cases of anterior nostril trauma in the past five years—every patient using the expansion model for six months. Results: After six months of dilation treatment, 14 cases were cured, and one improved. The total effective rate was 100%, and all the patients were followed up for one year. There were no complications and recrudesced. Conclusions: and Significance: Using expansion mold to treat and prevent anterior nostril stenosis is a simple, safe, and effective method worth widely popularizing.

Summary: Persistent tracheoesophageal fistulas requiring flap repair of the trachea in the mediastinum are uncommon. A 44-year-old man developed a 5 cm x 2 cm persistent posterior tracheal defect after failed tracheo-esophageal fistula repair. The defect was patch repaired using the de-epithelialized skin paddle of an extended pectoralis major flap tunneled into the mediastinum. The use of cross-field ventilation, second rib removal and an anterior tracheostomy slit were crucial for posterior tracheal repair. No major complication occurred. The patch repair with the de-epithelialized skin paddle of pectoralis major flap mucosalized in 2 weeks and the patient was discharged one month postoperatively. The extended skin paddle of the pectoralis major flap was a useful method for tracheal wrap-around reconstruction.