(Full Thickness)
Full thickness burn to dorsum of hand. Thrombosed vessels and underlying adipose tissue are clearly visible.

(Deep Partial Thickness)
Deep partial thickness burn to palm. The wound has a wet, variable appearance, with both pale and red areas

(Superficial Partial Thickness)
Superficial partial thickness burn to forearm. Note the presence of unroofed blisters.

Keloid Scar (Courtesy of Dr. A. Freiberg)

Note the overgrowth of dense fibrous tissues extending beyond the borders of the original injury. (Courtesy of Dr. A. Freiberg)

Note the overgrowth of dense fibrous tissues extending beyond the borders of the original injury. (Courtesy of Dr. A. Freiberg)

Note that hypertrophic scars are limited to the traumatized area and may regress spontaneously, unlike keloid scars. (Courtesy of Dr. A. Freiberg)

Venous Stasis Ulcer (Courtesy of Dr. A. Freiberg)

Diabetic Foot Ulcer (Courtesy of Dr. A. Freiberg)

Arterial Ischemic Ulcer (Courtesy of Dr. A. Freiberg)