Ear (aural) Hematoma
On occasion we are presented with a dog or a cat that has a swollen ear flap (pinna). The swelling is due to blood vessels that have ruptured inside the ear flap, between the inside and outside layer of cartilage. This causes the ear to fill up with bloody fluid, and after a period of time the blood in the ear clots and there is a firm swelling. If left untreated the ear will be painful and will eventually scar down, similar in appearance to a cauliflower ear in a prized fighter that has spent a lifetime in the boxing
