This video is a brief comparative study of two different pathological conditions, skin melanoma and dysplastic nevus respectively. Their histopathological specimens under microscope state their basic structural and morphological differences and like altogether. TIMELINE: 0:04 Introduction 0:20 Melanoma 0:56 microscopic study and visualization 1:35 Types of melanoma 2:13 Lymphocytes and melanophages 3:05 Dysplastic nevus 4:42 Recommendation 5:37 End