Difference between revisions of "Neoplasia, Intestinal"
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m (Text replace - 'Intestine Diarrhoea - Pathology' to 'Diarrhoea') |
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[[Category:Intestine_-_Mechanical_Obstruction]] | [[Category:Intestine_-_Mechanical_Obstruction]] | ||
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Latest revision as of 14:02, 28 June 2010
- Neoplasia in structures adjacent to the intestines can spread and cause external compression.
- Pancreatic tumours in particular can extend and impinge on the duodenum.
- Pedicles of tumours such as lipomas in horses can become wound in loops of intestine leading to obstruction and possible strangulation.
- Clinical
- Pathogenesis
- Seen occasionally in cat (rarer in dog)
- Usually towards end of intestines
- E.g. at the ileocaecocolic valve.
- Gut proximal to tumour becomes thickened due to hypertrophy of smooth muscle as a result of trying to force ingesta past progessively narrowing lumen.
- Produces "hose pipe intestine".
- Seen with carcinoma, lymphoma, leiomyoma and other tumours.