Resection of recurrent third branchial cleft fistulas assisted by flexible pharyngotomy

Figure 2 Resection of part of the thyroid cartilage and the inner opening was located by flexible fiber-optic pharyngoscopy. A: The branchial cleft fistula was traced to the thyroid cartilage, and part of the thyroid cartilage was resected to expose the pyriform clearly; B: The guidewire was inserted into the pyriform sinus to the fistula by pharyngoscopy, and it was then located in the neck incision.