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Intestinal Adenocarcinoma (view source)

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→‎From Pathology

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~~==From Pathology==~~

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* An '''intestinal adenocarcinoma''' is a malignancy of epithelial cells from the intestinal mucosa.

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* Found in both the [[Small Intestine - Anatomy & Physiology|small]] and [[Large Intestine - Anatomy & Physiology|large intestines]]

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** Common in the canine [[Rectum - Anatomy & Physiology|rectum]].

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* Species affected:

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** Fairly common in dog and cat.

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** Seen related to bracken ingestion in the older sheep.

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** Occasionally occur in horses.

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* These tumours usually grow away from the mucosa, down through the muscularis mucosae and into the submucosa, muscular layers and the serosa.

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** They may, however, project into the lumen.

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* Intestinal adeocarcinomas may take an annular form.

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** This may result in stenosis of lumen

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*** Muscle proximal to the lesion becomes hypertrophied and dilated.

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* Spread may be

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*# Via the lympahtics.

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*#* To the lymph nodes, lung and [[Liver - Anatomy & Physiology|liver]].

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*# Transcoelomic spread

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*#* Small, white plaques on serosa and adjacent tissues e.g. diaphragm.

[[Category:Intestines_-_Proliferative_Pathology]]

[[Category:To_Do_-_Lizzie]]

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Intestinal Adenocarcinoma (view source)

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