Vitiligo Sharply marginated, white patches completely devoid of pigment due to an acquired loss of melanocytes.
Tender, poorly demarcated, deep-seated nodules usually on lower extremities. (Courtesy Dr. M. Mian)
Circumscribed, raised, edematous, red plaques surrounded by faint white halo. (Courtesy Dr. S. Walsh)
Widespread necrosis with painful blistering and denuding of epidermis.
The macules and papules can have various appearances but tend to be monomorphic in a given patient. (Courtesy Dr. S. Walsh)
