Indirect Videolaryngoscopy versus Direct Endoscopy for Larynx and Pharynx Cancer Staging

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Abstract
Thirty-nine patients with cancer of the larynx and pharynx (33 untreated and six previously treated patients) underwent tumor mapping by both direct laryngoscopy (DL) and indirect videolaryngoscopy (IVL). The examiner in each case was unaware of the findings of the other evaluation method. After definitive treatment had been carried out so that pathologic and operative information was also available, comparisons of the accuracies of the two methods of staging were made. In 32 cases, IVL provided information equal to or better than that provided by DL, and a tissue sample also could be obtained during IVL. On the basis of these findings, we conclude that aggressive, office-based IVL can guide initial treatment planning (partial or total laryngectomy versus irradiation) and patient counseling. A confirmatory DL can be performed without surprises at the time of definitive surgery, rather than as a separate procedure — A cost-effective modification of standard practice.

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