Almost everyone has more or less colored moles on their bodies. Moles are common in medicine as pigmented nevi, which are benign tumors of the melanocyte system. nevi can be found on more than 90% of people. Moles can be classified as flat moles, freckle-like moles, hairy moles, animal skin-like moles, etc.
All benign tumors have the possibility of malignant transformation, and moles are no exception, but statistically this possibility is very small, and only about one in a million moles turn into tumors. If you have a mole with hair on its surface, you can rest assured that the mole with hair is mostly benign. Usually, nevi that cause malignant changes are most commonly diagnosed as junctional nevi, while intradermal nevi are less likely to become malignant. Moles on areas prone to friction and stimulation, such as the palms of the hands, soles of the feet, face, and neck, should be observed carefully, as friction and diarrhea are one of the causes of cancer.
What moles need to be removed?
Generally speaking, moles on the face or other parts of the body are mostly benign and can coexist peacefully with their owners without any treatment. However, some moles need to be treated, and the following six types of moles need attention.
1.Moles that are too big
The size of a mole can sometimes indicate whether it will cause trouble in the future. Studies have shown that larger moles have a higher chance of malignancy than smaller moles (except for giant moles).
2.Moles that are easy to rub
Moles that grow in friction-prone areas have a higher chance of becoming malignant. For example, pigmented moles that grow on the palms and feet, neck, underarms, chest, head, back, genitals and other parts that are prone to wear and tear have a high chance of malignant transformation and must be observed regularly to prevent malignant transformation.
3.Exposed moles
Sunlight or ultraviolet rays may increase the chance of moles changing, so it is best to remove moles on long-term exposed parts.
4.Moles growing on the extremities
Moles on the soles of the feet are the most common sites for melanoma, and moles on the ends of the limbs, such as those under the fingers or fingernails, should be treated with special attention. Most of the malignant melanomas in Oriental people occur in the hands and feet. Therefore, if you find that moles on the palms of your hands and feet are growing abnormally fast, you should seek medical attention as soon as possible.
5. Unstable moles; moles that are painful, itchy, and change color.
6.The risk of congenital moles evolving into cancer is much greater than that of acquired moles.
At present, the lesion rate of moles is increasing, and the age level involves all ages. Therefore, you need to pay more attention to the moles on your body. Self-examination should be performed once a month: take off your whole body clothes, hold a small mirror in front of a full body mirror and check the moles on your whole body skin, especially if there are any newly discovered moles.
If the moles on your body appear as follows you need to go to the hospital in time for examination.
1. Rapid increase in size and darkening or uneven color within a short period of time
2. ulceration, bleeding and crusting.
3.Redness around it or appearance of satellite moles.
4.Sudden occurrence of obvious itching or tingling, etc.
The most malignant tumor among moles is melanoma. Children with a family history of melanoma, or those with skin allergies, are susceptible to this condition. Melanoma is characterized by uneven edges, irregular tortuosity and distortion; not clear black, but mottled and interlocking; and starting small and not easily detectable, but growing progressively. A normal nevus, on the other hand, has neat edges, is uniformly black or dark brown, and can easily be divided into two symmetrical parts with a straight line. Melanoma, if detected early, can be completely removed under local anesthesia with no worries.
Treat pigmented nevus with neither fear nor paralysis, you should pay attention to it, but not to alarm it. Normally, do not rub, corrode or stimulate the moles to prevent the rapid differentiation of cancer cells and cause malignant changes. For moles that suddenly increase in size, deepen in color and have rough and keratinized surface, special attention should be paid to them and go to hospital for treatment as early as possible.
In addition, under normal circumstances, the skin will not cause lasting deformation after being slightly rubbed, bumped or squeezed, which is mainly related to the elasticity of the skin. If the skin loses elasticity and shows morphological changes, the cause should be carefully searched.