Boyce sign is seen in
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:- Boyce's sign, a gurgling sound due to noise of splashing fluid accumulated in a large Zenker's 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
Epiglottis
Zenkers diveiculum
Plummer-Vinson syndrome
Barretts esophagus
Pharynx