Conservative surgical management of invasive differentiated thyroid cancer

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Abstract
The majority of well differentiated thyroid carcinoma are tumours of low grade malignancy. Laryngotracheal invasion by well differentiated thyroid carcinoma is an uncommon occurrence. The surgical management of patients with thyroid cancer invading the upper airway has primarily been by total laryngectomy. Other surgeons recommend in selected cases partial laryngeal and/or tracheal resection.A total of 122 patients with thyroid carcinoma were treated in our department between 1967 and 1982. Only seven patients with well differentiated tumours had airway invasion. In these seven patients we used a partial laryngeal and/or tracheal resection. In three of the patients with tracheal invasion a myoperichondrial flap was used for closing the tracheal defect. A partial resection of the larynx and trachea, and end to end anastomosis between the trachea and the remaining part of the larynx was performed in another four patients.

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