Difference between revisions of "Mesothelioma"
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**Can appear as a carcinoma or fibrosarcoma depending on which tissue, covering or supporting, is predominant in the neoplasm | **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 | *Rarely metastasise but are considered malignant | ||
| + | |||
[[Category:Peritoneal Cavity - Neoplastic Pathology]] | [[Category:Peritoneal Cavity - Neoplastic Pathology]] | ||
[[Category:Peritoneal Diseases - Cattle]][[Category:Peritoneal Cavity Diseases - Dog]] | [[Category:Peritoneal Diseases - Cattle]][[Category:Peritoneal Cavity Diseases - Dog]] | ||
[[Category:Neoplasia]] | [[Category:Neoplasia]] | ||
| + | [[Category:To Do - Minor]][[Category:To Do - Respiratory]][[Category:To Do - Alimentary]] | ||
Revision as of 15:15, 6 May 2011
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
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