Difference between revisions of "Mesothelioma"

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**Mainly cattle and dogs, occasionally in other species
 
**Mainly cattle and dogs, occasionally in other species
 
**Can be congenital in calves
 
**Can be congenital in calves
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**Arise from serosa of pericardial, [[Pleural Neoplasia|pleural]] and [[Peritoneal Cavity - Anatomy & Physiology|peritoneal cavities]]  
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**Arise from serosa of pericardial, [[Pleural Cavity & Membranes Hyperplastic and Neoplastic - Pathology|pleural]] and [[Peritoneal cavity - Anatomy & Physiology|peritoneal cavities]]  
 
**Multiple small nodules, may be pedunculated, few milimeters to few centemeters, may present as villous projections
 
**Multiple small nodules, may be pedunculated, few milimeters to few centemeters, may present as villous projections
 
**May be associated with milky or bloody effusions
 
**May be associated with milky or bloody effusions
 
**Histologically usually appear similar to adenocarcinoma (papillary) or fibrosarcoma (spindle cells)
 
**Histologically usually appear similar to adenocarcinoma (papillary) or fibrosarcoma (spindle cells)
 
[http://w3.vet.cornell.edu/nst/nst.asp?Fun=Image&imgID=11611 Image of glandular type mesothelioma in a cat from Cornell Veterinary Medicine]
 
[http://w3.vet.cornell.edu/nst/nst.asp?Fun=Image&imgID=11611 Image of glandular type mesothelioma in a cat from Cornell Veterinary Medicine]
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==Pleural==
 
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*Has been found in cat, dog, cow, goat and horse
 
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*Arise from pericardial, pleural and peritoneal surfaces
 
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*May be related to inhalation of asbestos
 
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*Grossly:
 
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**Multiple discrete nodules
 
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*Microscopically:
 
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**Can appear as a carcinoma or fibrosarcoma depending on which tissue, covering or supporting, is predominant in the neoplasm
 
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*Rarely metastasise but are considered malignant
 
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{{Learning
 
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|Vetstream = [https://www.vetstream.com/canis/Content/Disease/dis02568.asp Mesothelioma]
 
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}}
 
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[[Category:Peritoneal Cavity - Neoplastic Pathology]]
 
[[Category:Peritoneal Cavity - Neoplastic Pathology]]
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[[Category:Peritoneal Diseases - Cattle]][[Category:Peritoneal Cavity Diseases - Dog]]
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[[Category:To_Do_-_Clinical]]
 
[[Category:Neoplasia]]
 
[[Category:Neoplasia]]
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[[Category:To Do - Minor]][[Category:To Do - Respiratory]][[Category:To Do - Alimentary]]
 

Revision as of 22:50, 28 June 2010

Peritoneal mesothelioma (Image sourced from BioMed Image Archive with permission)

Peritoneal

  • Mesotheliomas
    • Malignant - implantation rather than metastasis
    • Mainly cattle and dogs, occasionally in other species
    • Can be congenital in calves
    • Arise from serosa of pericardial, pleural and peritoneal cavities
    • Multiple small nodules, may be pedunculated, few milimeters to few centemeters, may present as villous projections
    • May be associated with milky or bloody effusions
    • Histologically usually appear similar to adenocarcinoma (papillary) or fibrosarcoma (spindle cells)

Image of glandular type mesothelioma in a cat from Cornell Veterinary Medicine

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