Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn 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. Giant Congenital Melanocytic Naevus With Nodularity And Anetoderma In An Adolescent International Journal of Clinical & Medical Images Med #Melanocytic lesions (dermoscopy) Benign patterns Blue nevus: Homogeneous steel blue blue pigmentation. Common benign nevus: Regular, symmetric pigment network (often a neat reticular pattern). Benign nevus (globular cobblestone): AD :: Annals of Dermatology Clinically important side effects of Melanotan II and placebo Download Table