You have a new brown spot on your face, but is it freckles or sunspot? Or you may have found more flat spots than moles on your back. Is it a mole or a dark freckles?
The method of informing the difference between freckles, sunspots and moles is as follows. Check whether skin cancer.
freckles
Freckles, known as Ephelides, are small, flat and light brown spots that appear in people with fair skin or on red or bright hair.
These people are more likely to have more MC1R geneThis causes freckles.
There is freckles It is caused by sun exposure In summer, it becomes more noticeable. When sunlight hits the skin, cells called melanocytes produce melanin, a pigment that colors the skin.
Melanin does not spread evenly for people who are easy to develop freckles. Instead, it takes together to make freckles together.
Freckles generally appear in childhood, especially if the sun exposure decreases, depending on age. As you get older, we can produce less melanin, break down or disperse. result Light freckles or less freckles.
Using a line screen and wearing a protective clothing can prevent the development of new freckles on your face and arms.
Freckles are completely harmless, but someone is entirely The risk of developing skin cancer is high.
Sunspot
The sunspot is also called age or age group. Rays ) They are larger than freckles. Sometimes it is the size of a small coin and appears as a flat brown spot.
Solar sunspots occur over time Long -term sun exposureThis leads to excessive melanin production. There is a tendency to appear on the skin on the skin exposed to the sun, such as the face, hands, shoulders and arms.
Unlike freckles, which tend to be lighter due to low sun exposure It will not disappear Over time, it can be darker as it is exposed to the sun.
But some people try to remove the sunspot for cosmetic reasons. Laser, chemical peel or prescription topical cream.
Solar sunspots are not dangerous, but do so Increase the risk Other skin cancer in the area.
It is also important to monitor a slowly growing black paper may look like sunspot at first. When spots of size, shape or color appear, meet a doctor and exclude skin cancer.
mole
Moles are often dark, higher or flat skin growth that can occur anywhere in the body.
Malls may exist from birth, but they usually grow until they are about 40 years old in childhood, adolescence and adulthood (including when hormones change).
Most adults There is 10 ~ 40 mall In their bodies. There are more than 50 moles and more than 100 moles.
When there are melanocytes, moles are formed. It grows in the cluster Instead of spreading evenly throughout the skin.
The mole can rise or flat according to the type, depth and age.
The rising mole, called the compound NEVI, has a flat and rising part and usually has a deeper pigment on the skin.
Skin navigator increases with skin color or light brown moles.
Most moles are harmless. Some people can have hair that grows hair, and some may disappear, but other moles can be dark or changed by age or hormonal change.
but, Some moles can develop as black speciesDangerous form of skin cancer.
When I see a doctor
Freckles and sunspots are completely harmless, but malls should pay more attention if the size, shape, color or texture changes.
See the doctor if the following warning signal is displayed in the mole. ABCDE Rules To detect whether the lesion is skin cancer:
- no waySyrox: If half of the mole is different from the other half
- rainOrder: Mole
- aspirateOLour: A variety of shades or sudden changes in the color of the mole
- dIMeter: If it is larger than 6 millimeters (pencil eraser size drug)
- EVolVing: If the mole has a change in size, shape, color or sensation, such as itching or bleeding for more than a few weeks.
Our research Only 21.7% show Professional inspections are essential because black species can be identified accurately.
How to prevent skin damage
Freckles, sunspots and some moles are exposed to the sun and are affected You can protect your skin By:
- Avoid the sun when the ultraviolet rays are the strongest
- Even if it is cloudy, wear a line screen of SPF 50 every day. Apply 20 minutes before going out and re -apply every 2 hours.
- Protect your arms and legs to cover your face, neck, ears, long -sleeved shirts and pants.
Mike ClimsteinDeputy Professor of the Ministry of Health, Southern Cross University; Jeremy HudsonDeputy Professor of the Ministry of Health, Southern Cross University; Michael StayfelbergDeputy Professor of the Ministry of Health, Southern Cross Universityand Nedeljka RosicSenior lecturer, human science, Southern Cross University
This article has been published conversation According to Creative Commons License. Read Original article.
