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Oesophagus - Pathology (view source)
Revision as of 20:52, 22 September 2008
, 20:52, 22 September 2008no edit summary
=====Pathogenesis=====
=====Pathogenesis=====
*Experimentally, the feeding of bracken to laboratory animals will result in alimentary and [[Bladder - Anatomy & Physiology|bladder]] tumours.
*Experimentally, the feeding of bracken to laboratory animals will result in alimentary and [[Urinary Bladder - Anatomy & Physiology|bladder]] tumours.
*However, in many naturally-occurring cases of upper alimentary carcinoma in cattle there are coexisting viral papillomata, some of which show malignant change.
*However, in many naturally-occurring cases of upper alimentary carcinoma in cattle there are coexisting viral papillomata, some of which show malignant change.
*The relationship between the ingestion of bracken and the presence of virus in the aetiology of the malignancies is currently the subject of intensive investigations.
*The relationship between the ingestion of bracken and the presence of virus in the aetiology of the malignancies is currently the subject of intensive investigations.