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==Introduction==
==Description==
A pedunculated lipoma is a benign fatty mass originating from the mesentery and is the most-common intra-abdominal tumour of the geriatric horse. A lipoma may lead to obstruction or strangulation of the small intestine, occasionally affecting the small colon. The tumours are seen in all types of horses but mostly in ponies and cob-types. Geldings appear to be at a higher risk compared to mares and stallions, suggesting a possible endocrine aetiology. It is unclear whether the risk of lipoma formation is associated with body condition.
A pedunculated lipoma is a benign fatty mass originating from the mesentery and is the most-common intra-abdominal tumour of the geriatric horse. A lipoma may lead to obstruction or strangulation of the small intestine, occasionally affecting the small colon. The tumours are seen in all types of horses but mostly in ponies and cob-types. Geldings appear to be at a higher risk compared to mares and stallions, suggesting a possible endocrine aetiology. It is unclear whether the risk of lipoma formation is associated with body condition.
==Prognosis==
==Prognosis==
Studies have shown that around 75% of horses that have undergone surgery will be discharged, but the long term survival following surgery varies from 38% to 50%. The prognosis is more favourable if surgery is performed before signs of cardiovascular compromise have occurred.
Studies have shown that around 75% of horses that have undergone surgery will be discharged, but the long term survival following surgery varies from 38% to 50%. The prognosis is more favourable if surgery is performed before signs of cardiovascular compromise have occurred.
{{Learning
|literature search = [http://www.cabdirect.org/search.html?rowId=1&options1=AND&q1=lipoma&occuring1=title&rowId=2&options2=AND&q2=horses&occuring2=od&rowId=3&options3=AND&q3=pedunculated&occuring3=title&x=44&y=14&publishedstart=yyyy&publishedend=yyyy&calendarInput=yyyy-mm-dd&la=any&it=any&show=all Pedunculated Lipoma in horses publications]
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==References==
==References==
* Merck and Co (2008) '''The Merck Veterinary Manual (Eighth Edition)''' ''Merial''
* Merck and Co (2008) '''The Merck Veterinary Manual (Eighth Edition)''' ''Merial''
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[[Category:Surgical Colic in the Horse]]
[[Category:Surgical Colic in the Horse]]
[[Category:Colic - Small Intestinal Causes]][[Category:Colic - Small Colon Causes]]
[[Category:Expert_Review]]
[[Category:Expert_Review]]
[[Category:Small Intestinal Diseases - Horse]]