Difference between revisions of "Pleural Neoplasia"
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*May arise from transpleural dissemination of [[Lungs Hyperplastic and Neoplastic - Pathology|pulmonary tumours]] (carcinomas and sarcomas) | *May arise from transpleural dissemination of [[Lungs Hyperplastic and Neoplastic - Pathology|pulmonary tumours]] (carcinomas and sarcomas) | ||
*Carcinomas from abdominal cavity may penetrate through diphragmatic lymphatics | *Carcinomas from abdominal cavity may penetrate through diphragmatic lymphatics | ||
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| + | ==Test yourself with the Pleural Cavity and Membranes Pathology Flashcards== | ||
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| + | [[Pleural_Cavity_and_Membranes_Flashcards_-_Pathology|Pleural Cavity and Membranes Pathology Flashcards]] | ||
Revision as of 21:55, 20 August 2010
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Primary tumours
- Rare
- May arise from chest wall and mediastinum
Mesothelioma
- 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
Secondary tumours
- Also rare
- May arise from transpleural dissemination of pulmonary tumours (carcinomas and sarcomas)
- Carcinomas from abdominal cavity may penetrate through diphragmatic lymphatics