haematoma auris

An external ear—pinna—deformity caused by inadequate treatment— through-and-through stitches—of an otohematoma, with interruption of contact between the perichondrium and the underlying cartilage, resulting in a thickened ear
Aetiology Contact sports—wrestling, boxing-related trauma—in adolescents, or falls in the elderly and children; the natural evolution of haematomas in this site is toward granulation tissue and exuberant fibrosis; primary CE occurs in polychondritis

haematoma auris

’cauliflower ear’ resulting from repeated bleeding into the tissues of the ear, usually caused by boxing, with the formation of much internal scar tissue and distortion.