Observational Study
Copyright ©The Author(s) 2019.
World J Clin Cases. Dec 6, 2019; 7(23): 3957-3963
Published online Dec 6, 2019. doi: 10.12998/wjcc.v7.i23.3957
Figure 2
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.