Giant Congenital Melanocytic Nevi in a Pakistani Newborn Cureus An Atlas of Lumps and Bumps, Part 42: Acquired Melanocytic Nevi Consultant360 Medium sized congenital melanocytic nevus spontaneously lightening in a pediatric patient and management ScienceDirect Congenital Melanocytic Nevus (Cobblestone Pattern). Courtesy of colleague @carlademarque.dermato Dermoscopy of Cobblestone Pattern: brown large globules, aggregated and angulated. The Cobblestone Pattern is the most common pattern of congenital nevi