reactive perforating collagenosis


re·ac·tive per·fo·rat·ing col·lag·e·no·sis

a rare skin disorder characterized by extrusion of collagen fibers through the epidermis; usually begins in infancy or childhood and appears clinically as recurrent umbilicated papules that resolve spontaneously. The condition may be inherited or acquired; the latter is associated with diabetes and renal insufficiency and differs from Kyrle disease in that follicular involvement is absent.

reactive perforating collagenosis

An AR condition of childhood onset characterized by recurring umbilicated papules due to an ill-defined collagen defect, which is triggered by trauma and exacerbated by cold weather