If you’ve ever injured your fingernail or toenail, you may have noticed blood pooling under the nail bed’s surface. This bruising is called a subungual hematoma. It’s usually caused by a crushing or ...

A subdural hematoma is a common neurological condition that occurs after a head injury. It occurs when blood builds up between the outermost covering of the brain (the dura) and the brain itself. Our ...

Injection of a substance to block an artery feeding the dura (protective sack around the brain) along with surgery to remove pooled blood reduced the risk that patients will require repeat surgery ...

A hematoma is similar to a bruise, but the damage that causes it occurs in larger blood vessels. It can lead to swelling, discoloration, and warmth, and may require medical treatment. While many ...

A bruise usually involves damage to skin and tissue in the body, which results in swelling and skin discoloration. A hematoma is caused by damage to the blood vessels, which causes blood to pool in ...