Dr. Sandra Green practices Pediatrics near Lexington, KY.
Types of Skin Lesions. Two types of skin lesions exist: primary and secondary. Primary skin lesions are abnormal skin conditions present at birth or acquired over oneâs lifetime. Birthmarks are primary skin lesions. Other types include:1  blisters: also called vesicles; these are small lesions filled with a clear fluid. 2  Vesicles can be the result of sunburns, steam burns, insect bites, friction from shoes or clothes, and viral infections. 3  macule: freckles and flat moles.ypes of Skin Lesions. Two types of skin lesions exist: primary and secondary. Primary skin lesions are abnormal skin conditions present at birth or acquired over oneâs lifetime. Birthmarks are primary skin lesions. Other types include:
The major types of secondary skin lesions are: 1  Ulcer. Lesion that involves loss of the upper portion of the skin (epidermis) and part of the lower portion (dermis). 2  Scale. A dry, horny build-up of dead skin cells that often flakes off the surface of the skin. 3  Crust. A dried collection of blood, serum, or pus.  Erosion.