ABCDE Rule for Melanoma Explained | Spotting Early Skin Cancer Signs Learn the ABCDE rule for skin cancer melanoma and early warning signs. A simple guide for Australians to spot skin cancer early and know when to see their GP. How to Spot Early Signs of Melanoma. https://gpnorthbourne.com.au/the-abcde-rule-how-to-spot-early-signs-of-melanoma/