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Prolonged exposure to sun can cause skin cancer

Published: 26 May 2014 - 05:03 am | Last Updated: 28 Jan 2022 - 03:20 pm

DOHA: The importance of seeking early medical assistance when signs of skin cancer begin to appear has been stressed by a health expert.
Skin cancer is an abnormal growth of tissues, most commonly caused due to the skin’s prolonged exposure to sun’s rays.
“The most common cause of skin cancer is the exposure to the ultra-violet radiation in sunlight.
“Although anyone can be affected by skin cancer, people with fair and lighter skin and those with a family history of skin cancer are at a higher risk of developing the disease,” Hamad Medical Corporation’s (HMC) Dermatology Consultant, Dr Haya Al Mannai, said.
Many types of skin cancers exist, including melanoma, which affects melanocytes (cells responsible for skin colouring); basal cell carcinoma, the most common kind found in the outer layers of the skin; and squamous cell carcinoma, which arises in the squamous cells (flat cells that form the surface of the skin).
Another common condition that develops into skin cancer is actinic keratosis, a rough scaly patch on skin caused through years of exposure to the sun.
She advised the public to regularly check for any abnormal growths on their body.
“First signs usually include a growing bump, a changing mole or a scaly, dry and rough patch. When detected early, the cancer can be controlled and treated effectively, with an increased chance for the person to be cured.
“It is important to check all the skin, including the back, soles of feet, between fingers and toes and under the nails. People should also regularly check the skin for any changes, using a mirror, especially in patients who have multiple moles. If any change is noticed, the person should seek medical assistance and get a referral to see the doctor. For people who have existing moles, a new spot or an existing one that changes in colour, size or shape, bleeding or itching, it is a sign of concern.”
Highlighting precautionary measures people can take, Dr Al Mannai said: “It is advisable to avoid prolonged exposure to the sun between 11am and 4pm, especially during peak temperatures. When people go out, they should try to wear sun protective clothing that covers as much skin as possible. Wearing a hat with a broad brim that covers the face, head, neck, and ears is also a good way to protect oneself from being affected.”
The first step should be to visit the nearest health centre for check-up by a family physician and in case of any suspicion, the doctor will refer the patient to a dermatology department for more evaluation. At the Department of Dermatology and Venereology in Rumailah Hospital, any patient suspected of having skin cancer is seen by a dermatologist, who takes a detailed history of the skin lesion, including the family history of the skin cancer.
The Peninsula