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, 14:02, 29 May 2010
* Occurs in:
** '''Dogs'''
*** Seen in animals that develop [[Stomach and Abomasum Physical Disruptions - Pathology#Displacement Of Stomach Within Abdomen- Gastric Dilation and Volvulus|torsion of the stomach]]; however, they usually die first.
** '''Horses'''
*** The equine [[Forestomach - Anatomy & Physiology|stomach]] may rupture if the animal eats too much, as the horse cannot [[Control of Feeding - Anatomy & Physiology#The Vomit Reflex|vomit]].
===Pathogenesis===
* Rupture usually occurs along greater curvature.
* While the muscle ruptures, the mucosa does not as it is much more flexible.
** Occasionally [[Forestomach - Anatomy & Physiology|stomach]] ruptures completely.
* Bacteria invade the abdomen, producting peritonitis.
** Horses are acutely sensitive to peritonitis (ruminants are much less so).
** This makes rupture acutely fatal, but animals usually die first from shock.
===Note===
* Post- mortem rupture of the [[Forestomach - Anatomy & Physiology|stomach]] may be seen in horses that have been dead for a few days.
** This is due to gas accumulation
* Ante-mortem rupture usually has haemorrhage associated with edges of lesion.[[Category:Stomach_and_Abomasum_-_Pathology]][[Category:Dog]][[Category:Horse]]