A 79-year-old retired opera singer presents with dysphagia, which has become progressively worse during the last 5 years. He states that he is sometimes aware of a lump on the left side of his neck and that he hears gurgling sounds during swallowing. He sometimes regurgitates food during eating. What is the likely diagnosis?
High-Yield Explanation
A Zenker's (pharyngoesophageal) diverticulum is a mucosal outpouching through the triangular bare area between the cricopharyngeus muscle and the inferior constrictor muscle of the pharynx (Killian's triangle). Most present on the left side of the neck.