Can develop within a scar, presenting as a pearly papule or non-healing ulcer.
Ectopic endometrial tissue in the skin, often in a C-section or laparoscopy scar, that forms a tender nodule which swells cyclically with menses.
A foreign-body reaction to retained suture material, causing firm papules or 'suture spitting' along a scar line.
Can develop within a scar due to the Koebner phenomenon, presenting as violaceous, flat-topped papules.
Can develop within a scar due to the Koebner phenomenon, presenting as a linear, erythematous, scaly plaque.
Characteristically infiltrates old scars, causing them to become raised, violaceous, and indurated.
A non-healing, ulcerative, or fungating nodule arising within a chronic wound or burn scar (Marjolin's ulcer).