Mesenchymal Neoplasia In Dogs. Mesenchymal tissue is made up of loosely associated cells, which means this type of tissue can migrate easily. Young or immunosuppressed dogs appear to be at increased risk.
According to its histopathological and immunohistochemical characteristics the main mesenchymal git reported in domestic animals are: Most pose no threat to the dog; Intrapericardial neoplasia in dogs 75 figure 2.