The use of laser for the elimination of cutaneous pathologies

Written in association with: Dra. Alba Catalá González
Published: | Updated: 07/07/2022
Edited by: Top Doctors®

Solar or actinic lentigo

The Solar lentigo, actinic or senile, is a benign lesion that develops in the leather exposed to solar radiation. It is a pigmented macula, of more or less brown dark with normal flat surface surrounded by skin. It can be single or multiple and their appearance is related to natural or artificial sources of ultraviolet light.

The Laser offers an effective and safe alternative for the treatment of solar lentigines. In our center carried out a controlled laser called a Q -switched protocol Alexandrite Neodymium - YAG or by thermolytic effect allows more selective treatment that classically used ( Cryotherapy with liquid nitrogen or peeling chemical ).

Treatment involves wiping the skin with a handpiece that activates the laser and direct their energy toward how affected. The procedure is simple, requires no anesthesia and lasts 15 to 30 minutes, depending on the extension to be treated.

Most lesions are cleared after a session, although some require a second session to finish disappear.

 

seborrheic keratosis

The seborrheic keratosis is a benign tumor adult fairly common, often multiple pigmented ( light brown to dark black ), consisting of mature keratinocytes. The cause of seborrheic keratoses is unknown but is believed to be an anomalous response to epidermal growth factor, probably of genetic origin ( there is a familial predisposition ).

As mentioned above, seborrheic keratoses are quite benign lesions. However, their destruction is performed by cosmetic reasons. For this type of injury, use the Erbium - YAG laser or CO2 laser, to conduct an exfoliation of tumor stained for removing this simple, fast and secure surface. The procedure may be topical anesthesia and lasts 10 to 30 minutes, depending on the number of lesions to be treated. Most injuries require a single session to be deleted.

 

Melasma

The melasma chloasma or mask of pregnancy, is a cutaneous pathology consisting of the appearance of patches on the skin irregular and grayish brown. Appear bilateral and symmetrical shape and affect the face ( forehead, cheeks and supralabial area ), neck and forearms rarely.

The cause of their appearance is unknown, but there are certain factors that can trigger melasma: the genetic predisposition, exposure to natural or artificial sources of ultraviolet light and hormonal factors ( pregnancy contraceptives, fertility treatments ).

The duration of melasma is variable, but usually lasts years. An increase in their coloration during summer seasons ( from sun exposure ) and an improvement occurs during treatments.

The treatment of melasma is not easy and often take time. It consists of bleaching lesions subsequently to maintain the skin and thus avoid frequent recurrences.

Treatment with laser Q -switched alexandrite or Nd - YAG acostrumbra have variable efficacy and the risk of post- inflammatory hyperpigmentation is very high. Therefore, in our center we prefer to use skin lightening masks with a combination of products that inhibit the formation of melanin through various mechanisms. They can be combined with keratolytic peels and bleaching melasma allow progressive and safe manner.

*Translated with Google translator. We apologize for any imperfection
Dra. Alba Catalá González

By Dra. Alba Catalá González

The Dra. Alba Gonzalo Catala specializes in dermatology and expert in laser treatments. Degree in Medicine from the Universitat Autonoma de Barcelona ( UAB), develops their daily work at the Institute of Photo-Teknon Medical Center and Dermatek. He has conducted many courses on the specialty and a member of the Spanish Academy of Dermatology and Venereology.

*Translated with Google translator. We apologize for any imperfection


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