Pinna Contusion and Hematoma

Blunt external ear trauma may cause a contusion or hematoma of the pinna which, if untreated, may result in cartilage necrosis and chronic scarring or further cartilage formation and permanent deformity or "cauliflower ear." Open injuries include lacerations (with and without cartilage exposure) and avulsions.
Pinna Contusion. Contusion without hematoma is present...........

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