[Zenker's diverticulum. Four cases].

The pharyngoesophageal diverticulum (Zenker's diverticulum) is a pathology not often found, but it is responsive of dysphagia and other unpleasant ailments experienced for the patients, who generally must be submitted to surgery. The AA. describe the surgical procedure followed at their ENT-Department at Hospital General de Alicante and also some clinic-pathological features verified. Review about the literature on the subject. The conclusion drawn out remark the feasibility and the effectiveness of this method of diverticulectomy associated to the cricopharyngeal myotomy. The dissection is easied introducing strips of gauze into the diverticular sack and retaining the oesophagoscope inside the organ during the procedure.