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| *This tumour is seen as part of a more general syndrome of upper alimentary tract neoplasia in adult cattle grazing rough pasture on which the '''bracken fern''' (Pteridium aquilinum) is present. | | *This tumour is seen as part of a more general syndrome of upper alimentary tract neoplasia in adult cattle grazing rough pasture on which the '''bracken fern''' (Pteridium aquilinum) is present. |
| *The syndrome is seen in various part of the world including the Western Highlands of Scotland, Brazil and Kenya. | | *The syndrome is seen in various part of the world including the Western Highlands of Scotland, Brazil and Kenya. |
− | *In affected animals, squamous carcinomas may be present in the [[Oropharynx - Anatomy & Physiology|oropharynx]], [[Oesophagus - Anatomy & Physiology|oesophagus]] and [[Rumen - Anatomy & Physiology|rumen]] and there may also be [[intestinal adenocarcinomas]] and bladder tumours, or the condition known as [[enzootic bovine haematuria]]. | + | *In affected animals, squamous carcinomas may be present in the [[Oropharynx - Anatomy & Physiology|oropharynx]], [[Oesophagus - Anatomy & Physiology|oesophagus]] and [[Rumen - Anatomy & Physiology|rumen]] and there may also be [[Intestinal Adenocarcinoma|intestinal adenocarcinomas]] and bladder tumours, or the condition known as [[Enzootic Bovine Haematuria|enzootic bovine haematuria]]. |
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| =====Pathogenesis===== | | =====Pathogenesis===== |
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| Individual or multiple papillomata may be found in association with the carcinomata. | | Individual or multiple papillomata may be found in association with the carcinomata. |
| *The presence of the tumours interferes with normal alimentary function | | *The presence of the tumours interferes with normal alimentary function |
− | **there may be difficulty in chewing and [[Deglutition|swallowing]] or in cudding and [[Eructation - Anatomy & Physiology|eructation]].[[Category:Oesophagus_-_Pathology]][[Category:Cattle]] | + | **there may be difficulty in chewing and [[Deglutition|swallowing]] or in cudding and [[Eructation - Anatomy & Physiology|eructation]]. |
− | [[Category:Neoplasia]] | + | |
| + | |
| + | [[Category:Oesophagus_-_Pathology]][[Category:Alimentary Diseases - Cattle]] |
| + | [[Category:Neoplasia]][[Category:To Do - Clinical]] |