solitary mastocytoma of the skin

A mast cell neoplasm that is characterized by collections of mast cells with a single or multiple (usually five or fewer individual) orange-brown to red-brown plaques or nodules ranging from 0.5 to 3.5 cm in diameter.

Also known as: Solitary Mastocytoma of skin; Solitary mastocytoma; cutaneous solitary mastocytoma