CO2 laser versus cold steel margin analysis following endoscopic excision of glottic cancer

Author:

Makki Fawaz M,Rigby Matthew H,Bullock Martin,Brown Timothy,Hart Robert D,Trites Jonathan,Hinni Michael L,Taylor S Mark

Abstract

Abstract Objective To compare the suitability of CO2 laser with steel instruments for margin excision in transoral laser microsurgery. Methods Prospective randomized blinded study. Patients with glottic cancer undergoing laser resection were randomized to margin excision by either steel instruments or CO2 laser. Margins were analyzed for size, interpretability and degree of artifact by a pathologist who was blinded to technique. Results 45 patients were enrolled in the study with 226 total margins taken. 39 margins taken by laser had marked artifact and 0 were uninterpretable. 20 margins taken by steel instruments had marked artifact, and 2 were uninterpretable. Controlling for margin size, the laser technique was associated with increasing degrees of margin artifact (p = 0.210), but there was no difference in crude rates of uninterpretability (p = 0.24). Conclusion Laser margin excision is associated with a greater degree of artifact than steel instrument excision, but was not associated with higher rate of uninterpretability.

Publisher

Springer Science and Business Media LLC

Subject

Otorhinolaryngology,Surgery

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