NCIt related terms : Pigmented spindle cell nevus of Reed;
NCIt definition : A subtype of cutaneous Spitz nevus characterized by the presence of heavily pigmented
spindle-shaped melanocytes that proliferate in the epidermis or in the epidermis and
superficial dermis. It presents as a small and slightly elevated brown or black skin
lesion with usually well-demarcated borders. Sometimes the clinical and morphologic
features may be difficult to distinguish from melanoma.;