Seborrheic keratosis is a superficial epithelial lesion. They generally appear pigmented and are usually warty. This skin growth is not cancerous and chooses to increase as the person ages. In this article we will detail how the diagnosis and treatment is carried out.

They are usually brown, black, or light brown in color. They are waxy, scaly and slightly raised to the eye and to the touch. They often appear on the head, neck, chest, or back.

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These lesions are harmless and not contagious but there are those who decide to remove them. The reasons are usually aesthetic or the discomfort that they can generate when irritated.


  • Brown, black or light brown color
  • Round or oval shape
  • It can cause itching
  • It has small sizes (up to 3 centimeters approximately)
  • It feels attached to the skin
  • It’s a little flaky
  • Has a scaly surface
Queratosis seborreica Seborrheic keratosis (1)
Queratosis seborreica Seborrheic keratosis


The way to know if the skin lesion is indeed a seborrheic keratosis is to visit a doctor. Generally, a dermatologist can diagnose just by looking and analyzing it closely.
Sometimes they recommend viewing it under a microscope if there is any doubt about the diagnosis.

Doctor Sergiu Vieru, medical director of Derma Clinic Spain, is a specialist in dermatology. In an evaluation consultation with him, he will be able to diagnose accurately and recommend the ideal treatment.


In the event that seborrheic keratosis needs treatment, there are different options to treat it. The first recommendation is not to rub, scratch or touch this skin growth. This can cause pain, itching, and in some cases irritate until bleeding.

At Derma Clinic Spain we have the latest technology to develop the treatment that involves electrocautery. By means of the Jett Plasma appliance, these growths are eliminated.

Plasma is the fourth state of the material, in which electrons separate from atoms to form ionized gas. The plasma flow stimulates the formation of new collagen and elastin fibers, improves sun-damaged skin, reduces wrinkles and smoothes the skin surface.

This technique applied by a qualified physician such as Dr. Sergiu Vieru has 8 programmable intensities. In intensities from 6 to 8 it allows treating these dermal lesions.

It is worth mentioning that the results of these treatments are immediate and do not require hospitalization of the patient or application of general anesthesia.

If you have questions and want to receive a free valuation consultation, contact Derma Clinic Spain. Our dermatologist doctor will be able to provide you with personalized information to access the best treatment for your skin.

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