Boxer's ear is ?

Ans. is 'a' i.e., Hematoma ear Hematoma of AuricleIt is the collection of blood between the auricular cailage and its perichondrium.It is often the result of blunt trauma seen in boxers, wrestlers and rugby players, so called Boxer's ear.Extravasated blood may clot and then organize resulting in typical deformity of cauliflower ear.