, vertical hemi laryngectomy for stage I vocal cord cancer. The midline of the thyroid cartilage was cut slightly on the contralateral side, and the affected side vocal cords and the corresponding part of the thyroid cartilage were cut off. However, the pronunciation function is not as good as radiation therapy.
3, horizontal hemi-laryngectomy for cancer on the glottis, involving the epiglottis, ventricular band, throat, epiphyseal epiglottis and other areas, and the vocal cords are still complete. The range of surgical resection included epiglottis, ventricular band, larynx, epiglottic vestibule, or part of the base of the tongue, and the upper part of the thyroid cartilage was cut transversely. The laryngopharyngeal mucosa was repaired, the vocal cords were preserved, and the tongue base was sutured with the glottic region. If there is cervical lymph node metastasis, neck lymphadenectomy is performed at the same time. After the operation, the function of the larynx can be basically preserved.