blue nevus

noun

Medical Definition of blue nevus

: a small blue or bluish black spot on the skin that is sharply circumscribed, rounded, and flat or slightly raised and is usually benign but often mistaken for a melanoma

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“Blue nevus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/blue%20nevus. Accessed 21 Oct. 2020.

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