Melanoma is the deadliest form of skin cancer and one of the easiest to miss in its early stages. It often starts quietly appearing as a harmless-looking mole before progressing rapidly if left unnoticed. Because of this early detection is critical and simple self-checks can make a life-saving difference.
US-based doctor Dr Kunal Sood recently explained how people can spot subtle warning signs of melanoma at home using a clinically recognised method known as the ABCDE rule. He stresses that while many moles are harmless any mole that changes over time should never be ignored. According to the physician early identification dramatically improves treatment success and survival outcomes.
The ABCDE rule is a simple screening guide used by doctors worldwide. The first sign A stands for asymmetry meaning one half of the mole does not mirror the other. Most benign moles are even and balanced while asymmetrical shapes can raise concern.
B refers to border irregularity. Warning signs include edges that look jagged blurred uneven or poorly defined rather than smooth and round.
C stands for colour. Healthy moles are usually a single uniform shade of brown. A mole showing multiple colours such as black red blue tan or uneven pigmentation should be checked.
D represents diameter. Traditionally moles larger than six millimetres roughly the size of a pencil eraser deserve attention. However Dr Sood notes that melanoma can still be smaller so size alone should not be the only deciding factor.
E stands for evolving and is considered the most important warning sign. Any mole that changes in size shape colour or texture or begins itching crusting bleeding or causing discomfort needs prompt medical evaluation. Dr Sood emphasises that evolution is the biggest red flag of all.
In addition to the ABCDE rule the doctor also highlights the “ugly duckling” sign. If one mole looks noticeably different from all the others on your body it should be examined even if it does not meet every ABCDE criterion.
Melanoma can be subtle in its early stages but catching it early can save lives. Regular self-exams combined with professional skin checks remain one of the most effective ways to reduce risk and ensure timely treatment.