This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
Cauliflower ear is due to ? 
Select and explain. 
A. Hematoma, B. Carcinoma, C. Fungal infection, D. Herpes
A: Hematoma
Answer: A: Hematoma 
Explanation: Ans. is 'a' i.e., Hematoma Hematoma of the auricle It is the collection of blood between the auricular cailage and its perichondrium. It usually occurs due to blunt trauma and often seen in boxers, wrestlers and rugby players, therefore it is also called Boxer's ear. Extravasated blood may clot and then organise, resulting in typical deformity called, Cauliflower ear. If haematoma gets infected, severe perichondritis may set in.