These are inflammatory scars presenting as thick, hardened, swollen. This phenomenon is caused by an overproduction of collagen in the dermis during repair of connective tissue, or fibrous scar tissue replaces normal skin tissue.
A hypertrophic scars djerba tunisia should be distinguished from a keloid scar. The hypertrophic, unlike the keloid, therefore does not spread to neighboring tissues and has a possibility of spontaneous regression, that is, of extinction and maturity.
A thickened and swollen scar beyond 18 months will no longer be considered as hypertrophic but as a keloid.