<Tr> <Th> Specialty </Th> <Td> Otorhinolaryngology </Td> </Tr> <P> Cauliflower ear is an irreversible condition that occurs when the external portion of the ear is hit and develops a blood clot or other collection of fluid under the perichondrium . This separates the cartilage from the overlying perichondrium that supplies its nutrients, causing it to die and resulting in the formation of fibrous tissue in the overlying skin . As a result, the outer ear becomes permanently swollen and deformed, resembling a cauliflower . </P> <P> The condition is common in martial arts such as boxing, mixed martial arts or wrestling, and in full - contact sports such as rugby union football . </P> <P> The cause is bleeding within the external portion of the ear, a condition known as hematoma auris, perichondrial hematoma, or traumatic auricular hematoma . </P>

Why do so many ufc fighters have cauliflower ear
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