Grades K â 12 | Student Interactive | Organizing & Summarizing. Story Map. The Story Map interactive is designed to assist students in prewriting and postreading activities by focusing on the key elements of character, setting, conflict, and resolution.
With hemangiosarcoma, the pericardium fills up with blood due to rupture of the tumor. When the tumor occurs in the skin, a mass or lump can usually be felt in or under the skin. The mass may become ulcerated and bleed. When the tumor occurs in a bone, it can cause pain and discomfort.
Although not common, other tumors can spread or metastasize to the spleen causing similar signs as hemangiosarcoma. Other diseases that can cause similar signs include: Hemangioma, which is the benign counterpart of hemangiosarcoma. This tumor can cause the same clinical signs as hemangiosarcoma but does not spread to other areas of the body.