How Excessive Sun Damage Relates To Skin Cancer
Saturday, September 13th, 2008 Subscribe To Our Feed
How can something we love hurt us so much? That something is of course the sun. It can be confusing when doctors talk about the dangers of not getting enough sun, versus the dangers of getting too much sun. In fact, a study came out last year saying that people who worked indoors were more likely to develop skin cancer from artificial lighting. This year, a study claims that working the night shift can disrupt the circadian rhythm and natural melatonin production to increase the risk of cancer. While it may be confusing to cut through the research on sun damage, one thing is for sure: you’re playing with fire if you spend hours unprotected in the midday sun!
Sun damage isn’t just manifested in sunburns or blisters. There are other effects that are more subtle but just as dangerous in the long run. For instance, deep wrinkles, dryness, freckles, mottled pigmentation and skin transparency are a few symptoms of sun damage. A yellow discoloration, known as “sallowness”, Telagiectasias, known as the dilation of small blood vessels beneath the skin, or Elastosis, known as the damaging of the elastic tissue that causes lines and wrinkles are telltale signs that skin solutions should be sought. Worst case scenario, pre-cancerous lesions appear as a result of the skin’s diminished immune function, which may also lead to full-blown cancer.
The number one cause of skin cancer is UV rays from the sun, although tanning beds are found to be just as harmful. Cumulative sun exposure causes basal cell and squamous cell skin cancers, which make up 95% of all cancers. The good news is that this type of sun damage can be treated with some success if detected early. On the other hand, frequently severe sunburns in childhood is closely linked with the development of melanoma (a deadly skin cancer) later in life. Some researchers also believe that exposure to X-rays, burn scars and certain chemicals may also contribute to skin cancer, premature wrinkles and skin discoloration.
Skin cancer is usually detected via a biopsy, where the dermatologist takes a skin tissue sample and examines it beneath a microscope. Often times, the cancerous tissue can be removed and no other treatment is necessary. In some cases, basal cell or squamous cell cancer is treated by Mohs surgery, which cuts out chunks of the cancer. Electrodesiccation and curettage is a fancy name for the physical scraping away of the skin cancer cells, as well as electrosurgery to remove any trace of sun damage. Like any skin treatment, cryosurgery and laser therapy are both viable options. Drugs like Retinoids can also help restore a natural balance.
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