Agminated blue nevus over acne scars: coincidence or pathophysiological relationship?
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Blue nevus is a benign lesion arising from dermal melanocytes containing large amounts of melanin. The agminated variant presents a cluster of blue nevus lesions with linear or blaschkoid distribution. We report two cases of patients with agminated blue nevus that developed on previous acne scars, and dermoscopy helped a lot in the differential diagnosis. This is the first occurrence found in the literature of agminated blue nevus that appeared on a previous scar, which may have occurred by chance or as a result of the collagen remodeling process inherent to the healing process.
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Collagen, Dermoscopy, Nevus blue, Scar
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Inglês
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Surgical and Cosmetic Dermatology, v. 14.
