NCIt related terms : Spindle cell nevus, NOS; Epithelioid and spindle cell nevus;
NCIt definition : A benign, acquired or congenital, usually single skin lesion. It can occur on any
area of the body, but most commonly occurs on the face of children and the thighs
of young females. It is characterized by a proliferation of large spindle, oval, or
large epithelioid melanocytes in the dermal-epidermal junction. The melanocytic proliferation
subsequently extends into the dermis.;