DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Post-surgical haematoma in the abdomen of a 69 year old man following surgery to repair a hernia. He is on the anticoagulant drug warfarin. A haematoma is an accumulation of clotted blood caused by internal bleeding or bruising. Treatment is aimed at stopping the bleeding and then reducing the swelling. Large painful haematomas may be surgically drained, but most clear naturally within a few days. A hernia is the protrusion of an organ or tissue through an abnormal opening.
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