Fig. 5From: Transoral traumatic perforation of the pyriform sinus by a marker pen: report of an infant casePharyngoesophagography on POD 54 (a) and 117 (b). a Although a small amount of contract flowed from the fistula (arrow), there was no need for reinsertion of the drains. b Contrast leakage ceased from the pyriform sinusBack to article page