The attached video gives a detailed illustration of pathological skin lesions which eventually end in the form of tumours and are called malignant tumours. This video covers pathological causes of tumours, characteristic lesions associated with tumour, melanoma and risk factors involved in patients having skin cancer. TIMELINE: 0:04 Introduction 0:12 SKin turnover 0:28 Pathology of some tumours 0:40 Patient characteristic risk factors 1:07 Lesions characteristics (BCCB , SCC) 1:23 Melanoma 1:37 ABCDE mnemonic 2:03 Dermatological preferences 2:26 Educate patients 2:51 End