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Fig. 2 | Journal of Otolaryngology - Head & Neck Surgery

Fig. 2

From: Third or fourth branchial pouch sinus lesions: a case series and management algorithm

Fig. 2

Internal fistula resection by CO2 laser under a suspension laryngoscope and endoscope. (*: internal fistula). a Exposing the fistula with assistance from the suspension laryngoscope and endoscope;. b Making a circular incision around the mouth of the fistula with the CO2 laser;. c Excising and separating the fistula along the tissue space outside the fistula;. d Closing the incision with 7–0/8–0 absorbable suture

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