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What is A melanocytic naevus surrounded by a depigmented halo is called: and explain in detail?
Sutton's nevus/halo's nevus : a halo of depigmentation appears around a preexisting melanocytic naevus. Meyerson's naevus is used to describe a melanocytic naevus that has developed an associated inflammatory reaction, which looks like eczema. Ref: Rook's textbook of dermatology, 8th edition Pg 54.20.