By Gary M. White, MD

Agminated Melanocytic Nevi (AMN) is the occurrence of multiple grouped melanocytic nevi, without background pigmentation (as may occur with nevus spilus).


These started at age 6 (pictured at age 16 in the article.) Ann Dermatol. 2013 Aug;25(3):380-382

These were congenital. An. Bras. Dermatol. 2013;88

A man in his 40s was treated with dabrafenib for metastatic melanoma. Four months later, he noticed the abrupt onset of numerous new melanocytic nevi on the trunk and extremities. Specifically on the right shoulder, fifteen brown papules were compactly arranged and lacked a uniformly pigmented background. Agminated melanocytic nevus status post dabrafenib therapy for metastatic melanoma. Dermatology Online Journal 22(7)


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