Tight near-total corrosive strictures of the proximal esophagus with concomitant involvement of the hypopharynx: Flexible endoscopic management using a novel technique

Figure 6 Graphical illustrations to depict the limitations of balloon dilatation for addressing the near-total hypopharyngeal strictures. As the hypopharyngeal stricture is dilated with the balloon placed in one of the piriform sinuses, there is an interposition of laryngeal structures on its medial aspect. The dilating balloon cannot reach the adhesions in the post-cricoid space and the contralateral piriform sinus, which remain undisrupted. Hence, electeroincision is required to completely open-up the stricture and to prevent the recurrence of symptoms.