Histological features used in the diagnosis of melanoma are frequently found in benign melanocytic naevi.
Urso C, Rongioletti F, Innocenzi D, Batolo D, Chimenti S, Fanti PL, Filotico R, Gianotti R, Lentini M, Tomasini C, et al. J Clin Pathol. 2005 Apr; 58(4):409-12.