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Let us briefly recapitulate the usual technical procedure of a partial laryngectomy. After local anesthesia, either a preliminary tracheotomy is done, to test the patient's pulmonary reaction, or a nonstop operation is performed, that is to say, a tracheotomy immediately followed by a laryngectomy. The first step is a median incision of the skin from the upper edge of the thyroid cartilage to the inferior edge of the cricoid cartilage, followed by retraction of the soft parts, chiefly of the prelaryngeal muscles. The thyroid cartilage is thus denuded; the internal perichondrium is exposed on the sound side along a paramedian line. The same procedure is used on the posterior part of the thyroid wing of the impaired side. A median incision of the cricoid cartilage, exposure of its internal perichondrium up to the posterior part