Endoscopic laser excisional biopsy for selected glottic carcinomas

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Abstract
From January 1988 to December 1990, 44 previously untreated patients with squamous cell carcinomas (SCCs) of the true vocal cord (33 T1a, 11 Tis) underwent carbon dioxide laser excision. The mean follow‐up was 28 months (range, 12 to 44 months). Endoscopic excisional biopsy was the primary treatment in 38 of the 44 patients, whereas postoperative radiotherapy was added in 6 cases in which the pathology report showed positive margins. Recurrent vocal cord SCC developed in 8 (18%) of the cases, with an average interval of 17.8 months. Re‐treatment consisted of a second laser excision in 4 cases, radiotherapy in 1, hemilaryngectomy in 1, and total laryngectomy in 2. The definitive cure rate with endoscopic excisional biopsy for the patients originally treated with laser excision alone was 94.7% (36/38). Endoscopic laser treatment for selected glottic SCC proves to be an excellent alternative to radiotherapy or open neck surgery.

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