Abstract
Diverticula of the esophagus are generally classified into two varieties: the traction type and the pulsion variety. The former may occur at any part of the esophageal tube as a result of traction or a pulling effect by some chronic organic disease in the chest, such as tuberculous tracheobronchial glands, mediastinitis or vertebral caries. The latter usually occurs at the pharyngo-esophageal junction and is formed by a protrusion or pushing backward of the undefended triangular space, bounded above by the lower margins of the inferior constrictors, and below by the superior border of the posterior wall of the esophagus. This triangular area is frequently referred to as the pharyngeal dimple and consists of mucous membrane and submucosa. The inconstancy of muscle fibers at this site is a predisposing factor of pressure diverticula. Pulsion-traction diverticula are also described by some authors. The pressure diverticulum usually passes down
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: JAMA: The Journal of the American Medical Association
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
