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Blue Nevi

Arch Dermatol. 2004;140:1028.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

The lesions shown are from the right posterior upper arm of a 65-year-old black woman (Figure 1), the abdomen of a 41-year-old white man (Figure 2), and the dorsal forearm of an 81-year-old white woman (Figure 3) (size bar, 5 mm). All these lesions reveal a relatively similar pattern. Coloration is uniform, dense, and blue. This pattern is common in blue nevi. Theoretically, this pattern could be caused by a clone of melanocytes that aberrantly proliferates and differentiates into heavily pigment-producing melanocytes in the dermis without significant epidermal involvement.

Figure appears in full text version. Figure 1.

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Figure appears in full text version. Figure 3.

Editor's Note: The skINsight section is a forum for the presentation of dermatologic images. The current effort is to foster the recognition of patterns in dermatologic disease processes that may enhance both diagnostic and research capabilities. The initial focus is on dermoscopic images. Theoretically, these patterns reflect the interaction . . . [Full Text of this Article]

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