Hematoma

A hematoma is a collection of blood outside of the vessels that commonly occur as a result of an injury to the body, such as a cut or a bruise. It is typically seen as a raised area of discolored skin that is firm to the touch. While hematomas can occur anywhere on the body, they are most commonly seen on the arms, legs, or head. Hematomas form when blood vessels are damaged and the blood leaks out into the surrounding tissue. The leaking blood causes an inflammatory response, which results in swelling and pain. In some cases, if the hematoma is large enough, it can cause the skin to become discolored as the blood pools. Hematomas can be caused by a variety of things, including surgery, trauma, and certain medical conditions such as clotting disorders. Treatment for hematomas typically involves draining the excess blood and ensuring that the area is monitored for infection. In some cases, surgery may be necessary to remove the hematoma.