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Surgical Labyrinthectomy of the Rat to Study the Vestibular System
Published on: May 19, 2018
Vestibulectomy prior cordectomy in tomes: Advantages and dysplasia findings
N Oishi1, C Rodríguez-Prado2, R Reboll2
1Valencia Medical School, University of Valencia and University General Hospital, Valencia, Spain; ENT Department Valencia University General Hospital, Valencia, Spain.
Introduction:
Vestibulectomy prior to Transoral microelectrodes surgery (TOMES) cordectomies improves the tumor exposure, enables precise oncological surgery ensuring minimal invasiveness. The finding of dysplasia in non-oncologic ventricular fold (VF) resections led us to analyze the histopathological results in all the samples.
Material And Methods:
We present a retrospective study analyzing 64 T1/T2 glottic carcinoma patients treated with TOMES cordectomy and uni/bilateral vestibulectomy. The bleeding rate and presence of dysplasia were evaluated. The procedure using microelectrodes is explained in the video (supplementary material).
Results:
Among 64 patients (97% male, mean age 65), 83 non-oncological VF resection were analyzed. Vestibulectomy does not increase the risk of hemorrhage in our series. Total of 37% of dysplasia was found, low-grade dysplasia in 19% and high-grade dysplasia in 18% (high-grade in 6% and carcinoma in situ in 12%).
Conclusion:
The vestibulectomy in TOMES cordectomy enhances surgical exposure without increasing bleeding risk or surgery. Dysplastic lesions of the ventricular bands seem to occur quite frequently even when the assessment is normal.
