Keloid Keloid Keloid, also known as keloid disorder and keloidal scar, is the formation of a type of scar which, depending on its maturity, is composed mainly of either type III (early) or type I (late) collagen. It is a result of an overgrowth of granulation tissue (collagen type 3) at the site of a healed skin injury which is then slowly replaced by collagen type 1. Keloids are firm, rubbery lesions or shiny, fibrous nodules, and can vary from pink to the color of the person's skin or red to dark brown in color. A keloid scar is benign and
Inflammatory papillary hyperplasia Inflammatory papillary hyperplasia Inflammatory papillary hyperplasia is a hyperplasia (overgrowth) of soft tissue, usually beneath a denture. It is associated with poor denture hygiene, denture overuse, and ill-fitting dentures. It is a closely related condition to inflammatory fibrous hyperplasia (epulis fissuratum), but the appearance and location differs. It appears as an asymptomatic erythematous area, usually on the hard palate, with a pebbly surface. The exact cause of inflammatory papillary hyperplasia is unknown, but it is thought to be a reactive, inflammatory lesion in response to irritation from an upper dental prosthesis. Nonetheless, it may also occur on the hard palates