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May 2012

Lentigolike Macules and Erythematous Plaques on Trunk and Extremities—Diagnosis

Author Affiliations
 

SECTION EDITOR: MARY S. STONE, MD; ASSISTANT SECTION EDITORS: SOON BAHRAMI, MD; CARRIE ANN R. CUSACK, MD;c SENAIT W. DYSON, MD; MOLLY A. HINSHAW, MD; ARNI K. KRISTJANSSON, MD

Arch Dermatol. 2012;148(5):641-646. doi:10.1001/archderm.148.5.642-d

Microscopic findings showed fingerlike, elongated, rete ridges extending into the papillary dermis with increased melanin pigment ( Figure 3). Multiple foci of suprabasal acantholysis with scattered dyskeratotic keratinocytes and overlying focal parakeratosis were also identified. A mild superficial perivascular lymphocytic infiltrate was also seen. Our patient elected not to use any treatment.

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