Abstract
Observing the entire circumference of the hypopharynx is usually difficult because most of the area is anatomically closed in the resting state. The modified Killian's method, consisting of a combination of the modified Killian position, head torsion, and the Valsalva maneuver, is a recently proposed procedure to improve the endoscopic view of the hypopharynx. A fish bone, which was invisible under regular endoscopy but was identified by CT, was successfully observed and removed under the modified Killian's method in a 71-year-old female. This method can be applied to diagnose and treat benign hypopharyngeal disease such as fish bone foreign body in addition to the detection of cancer.
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