A combined endoscopic Co2 laser and external approach for treatment of glottic cancer involving the anterior commissure: an animal study

The Laryngoscope
S M ShapshayM M Pankratov

Abstract

Endoscopic laser resection usually has been discouraged for anterior commissure (AC) carcinoma because of inadequate exposure and close proximity to underlying cartilage. A new technique combining endoscopic CO2 laser incision and an external approach, creating a window in the thyroid cartilage, was tested in this in vivo study of six dogs. An en bloc specimen including adjacent cartilage was excised while preserving the thyroid framework. The glottic reconstruction was accomplished with external placement of a sternohyoid muscle flap, by either using a bipedicled muscle flap with overlying skin or a unipedicled muscle flap with a graft of free mucosa. The results showed a satisfactory anatomic reconstruction and acceptable functions. The bipedicled muscle flap was superior to the unipedicled muscle flap due to a better AC reconstruction. It is believed that this new combined technique may overcome limited access with endoscopic technique and excessive cartilage resection with the external partial laryngectomy.

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Citations

Oct 9, 2002·Head & Neck·Jonathan C Smith, Eugene N Myers
Mar 17, 2010·Auris, Nasus, Larynx·Guangbin SunShuimiao Zhou
Jul 16, 2008·Journal of Voice : Official Journal of the Voice Foundation·Marcos SarvatPaulo Pontes
Mar 30, 2017·The Laryngoscope·Anna Pamela Dela CruzFlorence Rogister
Feb 24, 2000·The Annals of Otology, Rhinology, and Laryngology·E E RebeizS M Shapshay
Sep 17, 1998·Lasers in Surgery and Medicine·H E EckelM Vössing

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