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Skin cancers – what are the symptoms?

Skin cancers - what are the symptoms?

skin cancer, In short, it is a tumor arising from melanocytes – pigment cells located, among other things, in the epidermis or vascular membrane of the eye, which produce and store melanin (a natural pigment). he is The most aggressive type of skin cancer It is the most dangerous cancer in general. It is characterized by: rapid growth rate, dynamic development and frequent metastases. It is believed that the main cause of skin cancer is UV exposure.

Melanoma develops on the surface of the skin, so it is easy to notice alarming changes on your own. More than half of melanomas are new changes that appear on the skin, and about 40 percent. They are formed on the basis of an already existing pigmented lesion (eg birthmarks).

Helpful in diagnosing skin cancer ABCDE principle. Each letter reflects its different characteristic. A is asymmetry, B – jagged edges, C – red, black, non-uniform color of the lesion, D – large size, E – twist. We write more about the ABCDE principle over here.

The earlier neoplastic changes are detected, the higher the chances of recovery. Doctors confirm this Early detection of skin cancer Gives up to 90 percent. Chances of a full recovery.

basal cell carcinoma It is the most common form of skin cancer. It represents 75-80 percent. All skin cancer diagnoses. It develops as a result of abnormal and uncontrolled growth of cells in the basal layer of the epidermis – the deeper layer of the epidermis, in which new cells (keratinocytes) are formed. It is believed that much of the damage to DNA in the cells of the basal layer is caused by the influence of ultraviolet radiation.

Basal cell carcinoma usually develops on parts of the body that have been exposed to sunlight, especially the head and neck. occurs in the form of A growing or non-healing wound.

The skin lesion in basal cell carcinoma usually takes the form of:

  • Shiny bump of skin colorIt is transparent. On fair skin it may look pearly white or pink, and on dark skin it may be brown or black shiny nodules. Small blood vessels may be visible. It can bleed and grow.
  • Lesions are brown, black, blue or dark-spotted lesions with slightly raised transparent borders;
  • Flat, scaly “patches” with a raised edge that can change their size;
  • A scarring, waxy white lesion without clearly defined boundaries.

However, basal cell carcinomas can look very different. Any disturbing change of the skin should be consulted with a specialist.

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