Laser surgery for treating abnormalities of skin color such as blemishes, freckles, various marks, etc. Caused by an abnormality of the melanin pigment (Melanin Pigment), which is usually located in the depths of the skin.
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The junction between the epidermis and the dermis Some chromatic aberrations are superficial and can be treated with a laser. But something deep which cannot use laser treatment Surgery is also required. the goal of Using a laser to treat the abnormality of the skin color. To destroy the melanin pigment (Melanin Pigment) which is suitable and effective laser is
The Q Switch Laser system is considered the standard for treatment. Abnormality of pigmentation in the skin. The advantage is that it is highly specific to the pigment melanin and has less effect on the surrounding tissues. So there is a chance of scarring. After doing very little The disadvantage is The accuracy and effect of treatment depends on Expertise (Skill and Knowledge) of the treating physician and there is a chance that post-inflammatory hyperpigmentation may occur, especially in people with tan or black skin.
The IPL (Intent Pulsed Light) light system can be applied in the treatment. Superficial abnormal pigmentation such as lentigines and freckles by selecting the appropriate wavelength. The advantage is that it can be adjusted in many wavelengths for the purpose of being used in the treatment. The chance of post-inflammatory hyperpigmentation is low. The disadvantage is that it may have to be done several times, normally at least 3-5 times.
Examples of common pathologies of skin color or pigmentation that can be applied with laser treatment are as follows:
Lentigines are brown spots, smooth skin, smaller than 1 centimeter in size, scattered on the face or other areas outside the fabric such as freckles on the arms, etc. Sun exposure is the main cause of this type of freckles, which are dark in color. climb when nameviser exposed to sunlight and when you get older often found in adulthood
And those who are in the sun for a long time Freckles look like small brown spots, smooth skin, about 0.5 millimeters in size, distributed on the face and neck, if the skin is exposed to sunlight for a long time, the freckles will become colored. darken And if avoiding sunlight for a long time, the freckles will fade on their own. It is more common in white people and can occur at a young age.
Seborrheic keratosis is a bulging, blistered, smooth or rough lump protruding from the skin of the face, neck, or trunk. It is usually brown or black in color. which This kind Caused by genetics, found in people aged 30-40 years.
Nevus of Ota (Nevus of Ota) is a common congenital lesion found in Asian people. The appearance of the abnormal skin color may be expressed from brown, purplish brown to bluish brown. This type of birthmark is recommended. Use laser treatment since childhood, especially before entering school to achieve results. better treatment and to help reduce the psychological impact of entering society in school or when growing up
Remembrance (Hori’s Nevus). The lesions are dark brown or grayish brown in color, mostly found in females more than males in their 20-30s. There may be a congenital history as well. The location is found around the cheekbones. both sides often This kind of lesion must be separated from the sky. As for the treatment using laser, the Q-Switch system in the treatment is quite effective.
Melasma is a common lesion in Asian people. The lesions have a characteristic color. light to dark brown The cause of the birth is still unknown. But there are additional factors such as Use of birth control pills or sex hormones Regular exposure to sunlight on a regular basis, possibly after pregnancy, for example. The areas where the fabric is most often found are the cheekbones, chin or forehead. The best treatment is a combined treatment with primary prevention. for laser use in the treatment of melasma still not as good as it should have been and the application must rely Expertise in choosing the right laser to prevent complications that may also occur
A deep birthmark that is congenital. and dark black as a cannon. Taun Junctional, Compound Melanocytic Nevus ia Congenital Melanocytic Nevus These are often ineffective. to the use of laser treatment Since the pigment lesions are deep and found that the abnormality of these pigments when left for a long time There will be a chance or increase the risk of becoming skin cancer, so this group of lesions should consult a plastic surgeon to plan. treatment, especially with cosmetic surgery
- Laser for general scars (Hypertrophic Scar) and Keloid Scars
generalized scars A hypertrophic scar is a raised scar that forms behind the wound. Or after the surgical wound, especially during the first 1-6 months, the lesion will be red, hard, and the raised edge will be within the boundary of the original wound.
The keloid scar It looks like a raised, thick, hard scar and may be pink to red. by the edge of the convex wound Will grow beyond the boundaries of the original wound may be accompanied by pain or itching
Keloid scars are common on the skin. Which is quite dark, has a lot of sebaceous glands and was found to be related to genetic history about 10 percent. Suitable lasers for treating this type of scar include
Pulse dye Laser The purpose of using this type of laser is to destroy the small blood vessels that nourish the scar. Resulting in that embossed scar Less redness and softer But the way to treat the convex scar may have to use many methods together, such as using a silicone sheet (Silicon Sheet) to close the wound, injecting steroids can cause scars. in the hope that the scar will soften and collapse as well
As for the use of injectable steroid drugs in conjunction with the use of lasers for that treatment Laser therapy is recommended first, followed by steroid injections. to provide energy The laser has a good reaction that targets small blood vessels. Before injection, it is recommended to do it every 4-6 weeks until symptoms improve.
As for closing with a silicone sheet (Silicon Sheet), it is recommended to close it all day except shower time. especially in the first 3 months of scarring