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| Fig. 27.5 Streptococcal ecthyma demonstrating punchedout ulceration surrounded by erythema. |
Ecthyma is a severe form of streptococcal impetigo in which there is a thick crust overlying a punched-out ulceration of the epidermis (Fig. 27-5). Typically, it is surrounded by a zone of erythema. In contrast to streptococcal impetigo, which is usually found on the face and does not produce scarring, ecthyma is more commonly located on lower extremities and may heal with scarring.
