Definition of Mastocytoma

Mastocytoma: A form of mastocytosis characterized by a benign nodular skin tumor infiltrated by mast cells. Usually present at birth or in early childhood and resolves spontaneously. Also called a mast cell tumor.


Last Editorial Review: 6/14/2012

Search MedTerms:


Back to MedTerms online medical dictionary A-Z List
Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.