10 Causes of Hematoma
Cause #3: Surgery
We try to avoid surgery where possible, but sometimes we have little choice in the matter. It can be used for the smallest of things such as removing a growth from the surface of the skin, to large-scale operations that are necessary to save your life. While we are continually improving in our capabilities, things don’t always go as smoothly as we would like.
Surgery will often cause damage to the blood vessels which will, of course, cause bleeding. This is expected by surgeons and they will usually have it under control. Bruising is often to be expected after you have had surgery.
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