Marjolin ulcer
Ca in marjolin's is squamous cell ca
Chronic venous insufficiency
Basal cell carcinoma
arise from base of the ulcer
.marjolin&;s ulcer is the name given to a malignancy ( usually a squamous cell carcinoma ) which arise in any long standing wound or a scar mostly scar of an old burn it grows slowly as it is avascular it is painless
General surgery