mast cell neoplasm skin mastocytoma MESH:D054705 EFO:1001844 ICDO:9740/1 A variant of cutaneous mastocytosis which occurs as a single lesion usually in infants. It is found mostly in the wrist and trunk and there is no atypical cytomorphology. DOID:3666 solitary mastocytoma of the skin solitary mastocytoma of skin skin solitary mastocytoma NCIT:C7138 cutaneous solitary mastocytoma