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==Description==
Rectal prolapse in the horse is associated with conditions causing tenesmus (straining). These may include dystocia, constipation, neoplasia, [[Alimentary System Foreign Body - Horse|foreign body obstruction]], urethral obstruction or diarrhoea. Occasionally there is no apparent underlying cause.
Rectal prolapse is classified according to the type of tissue involved.
'''Type I (or 'incomplete' prolapse)''' involves the rectal mucosa and submucosa only, appearing as a large 'doughnut' shaped soft tissue swelling at the rectum.
'''Type II ('complete' prolapse''') involves the entire rectal wall.
'''Type III''' involves '''complete prolapse''' of the rectum in addition to '''intussusception of the peritoneal rectum'''.
'''Type IV''' involves '''complete intussuseption of the peritoneal rectum beyond the anus''' .
==Signalment==
==Signalment==
==Prognosis==
==Prognosis==
The prognosis varies depending on the underlyig cause but is generally good for Type I and Type II prolapse, and guarded for Type III and Type IV.
The prognosis varies depending on the underlying cause but is generally good for Type I and Type II prolapse, and guarded for Type III and Type IV.
==References==
==References==
[[Category:To_Do_-_SophieIgnarski]]
[[Category:To_Do_-_SophieIgnarski]]
[[Category:To_Do_-_Review]]
[[Category:Alimentary Disorders - Horse]]