Halo Melanocytic Nevus

Halo nevi are common nevi exhibiting a peripheral vitiligo-like annulus or "halo" of hypopigmentation or depigmentation surrounding a central nevus (Fig. 4A). Histologically halo nevi demonstrate a dense lymphocytic infiltrate associated with the central nevus and a peripheral zone of hypo- to depigmentation of the epidermis, corresponding to the clinical halo (Fig. 4B). Halo melanocytic nevi may exhibit both clinically and histologically atypical features and thus raise concern for melanoma (Tables 4 and 7).

Synonyms: Suttton's nevus; leukoderma acquisitum centri-fugum.

Acne Myths Uncovered

Acne Myths Uncovered

What is acne? Certainly, most of us know what it is, simply because we have had to experience it at one time or another in our lives. But, in case a definition is needed, here is a short one.

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