On the other hand, ZEMBOWICZ & MIHM (2004) considers that most of the histological variants recently introduced in the medical literature such as amelanotic/hypomelanotic blue naevus
, amelanotic cellular blue naevus
, epithelioid blue nevus, compound blue naevus
, atypical blue naevus
, pilar neurocristic hamartoma, blue naevus
-like metastatic melanoma, pigmented epithelioid melanocytoma and cutaneous neurocristic harmatoma/ malignant neurocristic tumors could be classified as traditional categories of dendritic melanocytic proliferations.