What if your skin had a checklist; understanding the ABCDE rule

A subtle change on your skin, so easily missed, could be more important than you think. As Skin Cancer Awareness Month comes up in May, it’s a chance to recognise these subtle warning signs before it’s too late. Skin cancer has traditionally been less common in India than in Western countries and Australia but its incidence is steadily rising, making awareness and early diagnosis more important than ever.

One of the most aggressive forms of skin cancer is melanoma. Early detection plays a critical role, and a simple way to monitor suspicious skin changes is by remembering the ABCDE rule of melanoma:

A – Asymmetry: One half of a mole does not match the other.

B – Borders: Irregular, uneven, or blurred edges.

C – Colour: Variation in colour, including shades of brown, black, or even red and white.

D – Diameter: A mole larger than 6 mm (about the size of a pencil eraser).

E – Evolving: Any change in size, shape, colour, or elevation over time.

Regular self-examination is essential.

If you notice any changes in a mole or unusual pigmentation, it is important to consult a doctor promptly.

Early intervention can be life-saving, often, a small surgical procedure is sufficient to treat the condition effectively. Advances in plastic and cosmetic surgery also ensure good aesthetic outcomes post-treatment.

Prevention remains one of the most effective strategies. Protecting the skin from harmful UV radiation is key, this includes daily use of sunscreen with SPF 50 or higher, wearing long-sleeved clothing, using hats, and minimizing direct sun exposure, especially during peak hours. These measures are particularly important for individuals living in regions with high sun exposure.

Encouragingly, medical advancements have significantly improved outcomes for melanoma patients. Treatments such as immunotherapy and targeted therapy have shown promising results, increasing survival rates and offering new hope.

Skin cancer is largely preventable and highly treatable when detected early. Building awareness, adopting protective habits, and seeking timely medical advice can make all the difference.

- Dr. Madhavi Nair is a Consultant - Surgical Oncologist at Manipal Hospital, Bengaluru