obsolete_blue nevus true blue Nevus of the skin MedDRA:10062788 An intradermal nevus characterized by the presence of benign pigmented dendritic spindle-shaped melanocytes. It most frequently occurs in the skin of the distal upper extremities, followed by the lower extremities, scalp, face, and buttocks. It usually presents as a single blue or blue-black papular lesion less than 1cm in diameter. Simple excision is usually curative. ICDO:8780/0 blue nevus MESH:D018329 GARD:0008452 Jadassohn-Tièche syndrome blue skin Nevus blue Nevus of skin blue neuronevus 3.88.0 Jadassohn-TiC(che nevus Jadassohn-Tièche nevus NCIT:C3803 benign mesenchymal melanoma EFO:1000841 Jadassohn-TiC(che syndrome Replaced by Mondo term MONDO_0006680, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0006680 http://purl.obolibrary.org/obo/MONDO_0006680 Tièche-Jadassohn nevus SCTID:254806009