抄録
A thirteen-year-old boy was admitted because of acute suppurative thyroiditis. Bilateral pyriform sinus fistulae were diagnosed by esophagogram. Before surgery we used microlaryngoscopy, and a Fogarty catheter was in serted into the fistula and we resected the fistula with the guide of this catheter. Bilateral pyriform sinus fistulae are extremely rare; only two cases have been reported, including our own case.
