Zenker's Diverticulum–a Historical Review and Trends in Therapy

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Abstract
More than 200 years have passed since the pulsion diverticulum of hypopharynx was first described. This paper reviews different opinions on its etiology over the centuries. the German pathologist F. A. von Zenker, who successfully pursued research on a variety of topics, is often associated with this diverticulum through his classical work from 1867 “Krankheiten des Oesophagus”, which deals with the pathogenesis and clinical presentations of this herniation of the posterior mucosal wall. Numerous surgical techniques, which have been practised mainly during this century, are also reviewed. Different options of endoscopic surgery, which is presently the preferred approach at many medical centers, are described and discussed. Our own experience of endoscopic surgery in patients with Zenker's diverticulum is also presented.