<unk>  is an irreversible condition that occurs when the external portion of the<unk>  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<unk>  becomes permanently swollen and deformed, resembling a<unk> . The condition is common in martial arts such as Brazilian jiu-jitsu, wrestling, judo or mixed martial arts and in full-contact sports such as rugby union and rugby league.
Cauliflower ear
Hemotympanum
Philinus of Cos
Fibrous papule of the nose
Syrinx 
Lacrimal groove
Ayer's Sarsaparilla
Orbital septum