Balloon dilation of eustachian tube

(A) Preoperative 30 degree angled rigid endoscopic view of left eustachian tube nasopharyngeal orifice showing inflamed, edematous mucosa circumferentially and especially at the posterior cushion. The lumen is swollen closed.
(B) Intraoperative inflation of a 7 mm diameter by 16 mm long balloon placed within the cartilaginous eustachian tube.
(C) Immediate postdilation view of the eustachian tube lumen showing some minor mucosal laceration and significant persistent widening of the lumen.