<prompt> Boyce sign is seen inEpiglottisZenkers diveiculumPlummer-Vinson syndromeBarretts esophagus  <response>: Zenkers diveiculum - A Zenker;s diveiculum, also pharyngeal pouch, is a diveiculum of the mucosa of the human pharynx, just above the cricopharyngeal muscle. It is a pseudo diveiculum. Boyce sign:- Boyces sign, a gurgling sound due to noise of splashing fluid accumulated in a large Zenkers diveiculum, can be heard on palpation. Although small diveicula might not cause symptoms, larger diveicula are usually symptomatic and surgery could be warranted. Ref:- Dhingra; pg num:-275 