2. How Cauliflower Ear Develops
The skin on the outer ear adheres tightly to the perichondrium, a dense layer of tissue that supplies the area with blood. Because there is virtually no subcutaneous fat to protect the ear from trauma, the perichondrium is relatively susceptible to damage. Blood accumulates between the perichondrium and ear cartilage, forming an auricular hematoma. This blocks blood flow to the cartilage, causing unusual fibrosis and cartilage formation that eventually leads to cauliflower ear.
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