Changes

==Description==  

==Description==  

A circumscribed sacculation of the oesophageal wall. These can be divided into congenital or acquired. Congenital diverticula are due to a herniation of the mucosa through a muscularis defect. Acquired diverticula can be subdivided into:

A circumscribed sacculation of the oesophageal wall. These can be divided into congenital or acquired. Congenital diverticula are due to a herniation of the mucosa through a muscularis defect. Acquired diverticula can be subdivided into:

#'''Traction forms'''

#'''Traction forms''' result from peri-oesophageal inflammation and fibrosis and develop mainly in the cranial and mid-oesophageal body. Sacculations are created by adhesions to adjacent tissues.

#'''Pulsion forms'''

#'''Pulsion forms'''

==Diagnosis==

==Diagnosis==