Difference between revisions of "Mesothelioma"

Revision as of 16:41, 20 February 2011

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

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)

@@ Line 12: / Line 12: @@
 **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]
-==Pleural==
-*Has been found in cat, dog, cow, goat and horse
-*Arise from pericardial, pleural and peritoneal surfaces
-*May be related to inhalation of asbestos
-*Grossly:
-**Multiple discrete nodules
-*Microscopically:
-**Can appear as a carcinoma or fibrosarcoma depending on which tissue, covering or supporting, is predominant in the neoplasm
-*Rarely metastasise but are considered malignant
-{{Learning
-|Vetstream = [https://www.vetstream.com/canis/Content/Disease/dis02568.asp Mesothelioma]
-}}
 [[Category:Peritoneal Cavity - Neoplastic Pathology]]
 [[Category:Peritoneal Diseases - Cattle]][[Category:Peritoneal Cavity Diseases - Dog]]
 [[Category:Neoplasia]]
-[[Category:To Do - Minor]][[Category:To Do - Respiratory]][[Category:To Do - Alimentary]]