Benign Melanocytic Nevi Pathology: Overview, Pathophysiology and Etiology, Epidemiology Full article: New classification of melanocytic nevi based on dermoscopy Dermoscopy. Benign melanocytic lesions Spindle cell melanocytic lesions: part IIan approach to intradermal proliferations and horizontally oriented lesions Journal of Clinical Pathology Early Sonographic Diagnosis of Neurocutaneous Melanosis in a Newborn Case Challenge! We have a 68 year old patient with no significant past medical history presenting for consultation. A progressively growing melanocytic lesion on the frontal region. Duration: Approximately 1 year. Symptoms: Non pruritic.