No sex predilection. Can occur at any age, highest frequency at ages 10-30. Can occur up to 1 year post injury, with a reported 24 year lag time in the literature. Size of the lesion does not correlate to the initial injury. Lesion margin extends beyond margin of original injury.
Regression is rare.
Clinical Features with Keloids Presternal area, upper back, and post neck are most susceptible, followed by ears, deltoid, anterior chest and beard areas. Rarely penetrate subcutaneous tissues. Can project above surrounding skin from a few millimeters to 2-3 cm s. Consistency from firm and rubbery to rock hard. Seldom associated with pin. Pruritus is commonly noted.