Diversity of moles

In daily life people tend to call any skin lesion a mole. As a matter of fact, it can also be a papilloma , nevus, keratoma, or verruca. A nevus is a benign skin tumor consisting of melanocytes – cells producing melanotic pigment. The more the pigment, the darker the nevus. Moles, or nevi, can be innate or acquired. Depending on the size, they are divided into small (up to 1.5 cm), medium (from 1.5 to 10 cm) and large (more than 10 cm). Small nevi, as a rule, are not dangerous, while medium and large ones must be constantly monitored, and if such a nevus starts to grow, then there’s a risk that it can transform into a malign tumor.

Depending on the melanocytes position in the skin layers, nevi are divided into epidermal, intradermal, and border-line (when melanocytes are on the border of epidermis and derma). A border-line nevus, along with Dubreuilh’s melanosis, blue nevus, giant hairy pigmented nevus and Ota’s nevus are included into the group of potentially dangerous lesions as there’s a high risk of them turning into a melanoma – one of the most aggressive malign tumors.

Reasons to remove a nevus

Moles can actively occur during puberty and pregnancy. This process can also be stimulated by a trauma, treatment with hormonal drugs, and, of course, ultraviolet exposure, including, in sunrooms. People with more than 20 moles or more than 10 medium or large moles are included into the risk group.

Removing nevi won’t trigger new moles to appear. Even if a mole doesn’t bother you at all, it must be removed if it’s situated in the collar area, on the hairy part of the head, in spots where underwear rubs the skin. Any trauma, even if it happens only once, can trigger a malignization process.

When one must remove a nevus?

There are some signs that might tell you that malign transformation is going in the nevus, namely:

  1. Change of the skin image on the nevus surface.
  2. Nevus surface has turned glazed.
  3. A dry “scab” appeared on the nevus.
  4. A mole is growing vertically and horizontally.
  5. Loss of hair on the nevus surface.
  6. Partial or full change of the nevus color.
  7. Change of the nevus thickness (getting harder or softer).
  8. Change of the nevus form (uneven, blurry, scalloping edges).
  9. Inflammation of the nevus and surrounding soft tissue.
  10. Appearance of punctate lumps on the mole surface.
  11. Oozing lesion of the nevus surface.
  12. Cankering of the nevus surface.
  13. Mole bleeding.
  14. Itching and stinging in the nevus area.

A healthy nevus has a regular, symmetric shape with sharp edges and solid color (from yellowish-brown to black), flat or slightly outstanding. If you’ve notices any changes, you should visit an oncologist. He will examine the suspicious mole with a special instrument called dermatoscope and then decide whether it needs to be removed or not.

Methods of nevus removal

There are different methods of nevus removal – surgical, radio-frequency, electrocoagulation, cryotherapy and laser. An oncologist will recommend you a certain method depending on the size, type and location of the mole.

  1. Nowadays, surgery is the most popular method. It’s recommended when there’s a risk of cancer or a lesion is large and located in the deep skin layers. Disadvantages of the method is that a doctor makes a small incision on the mole and healthy skin leaving a scar.
  2. Laser can remove a mole. This method has its advantages – skin regenerates quickly, low risk of bleeding, better cosmetic effect.
  3. Electrocoagulation is treating the tissue with high-frequency current. The same as a surgery, this method provides sampling for biopsy. However, it’s a significant thermal effect.
  4. Radiocoagulator is a machine generating high-frequency radio waves. It is cutting, stopping bleeding and disinfecting at the same time. There’s a dry scab on the cut left after the procedure, which will fall away over some time. The advantage of this method is that it doesn’t affect surrounding healthy tissue.

A price for removal:

  • radio-frequency or laser method — from 4.00 to 34.00 BYN for procedure;
  • surgery — 162,00 BYN for procedure.
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