Dermatoscopy has firmly entered the routine practice of dermatologists, as it allows you to clearly differentiate various skin pigmentations and detect malignant pigmented neoplasms at an early stage.
Today, it is also actively used by cosmetologists, since the technique makes it possible to objectively assess the depth of wrinkles, the degree of skin hydration, vascular disorders and other signs of age-related changes.
estet-portal.com indicates that using dermatoscopy it is convenient to evaluate the effectiveness of anti-aging procedures performed.
A little history of dermatoscopy and its application
The second half of the 17th century can be considered the beginning of the era of optical studies of the skin, when a microscope was first used to study the vessels in the nail bed. Microscopy found wider use for the skin in the 19th century, when German scientists used a microscope to examine the vessels of the lower lip and began to experiment with water-soluble oils in order to better penetrate and examine the surface layers of the skin.
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In the 80s of the last century, researchers came to grips with microscopic studies of pigmented formations on the skin. Using a stereo microscope, it was possible to obtain a significant increase (sometimes 40 times) of skin neoplasms with a three-dimensional image of their structural elements.
A little later, a group of German scientists developed and put into practice a manual dermatoscope. Since the 1990s, it has been widely used in the daily practice of clinicians. Thanks to dermatoscopy, the number of cases of early detection of malignant skin lesions has significantly increased.
The use of dermatoscopy in the diagnosis of skin neoplasms
To study the characteristics of age spots, diagnose skin neoplasms and differentiate them into benign and malignant, a comprehensive study is used. In its composition, a visual examination is obligatory with an assessment of parameters in terms of size, unevenness of color and borders, and asymmetry of shape.
Dermatoscopy provides a three-dimensional image with a strong increase in the structural elements of the formation. Further, you can study in detail their morphology and determine what type of education you have to deal with.
Dermatoscopy makes it possible to distinguish melanocytic formations ("moles") from non-melanocytic (actinic or seborrheic keratomas).
Due to the use of dermoscopy in daily clinical practice, there has been a real increase in the number of cases of early detection of melanoma.
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What are the possibilities of dermatoscopy in cosmetology practice
The ability to take a three-dimensional image and penetrate the upper layers of the skin gave researchers the idea to use dermatoscopy to analyze the signs of skin aging.
Signs of involutional changes are traditionally divided into two groups:
• mandatory (for all people) – wrinkles, signs of skin atrophy and its increased dryness, ptosis;
• optional (not available for everyone) – pastosity of the face, swelling around the eyes, enlarged pores, age spots, telangiectasias.
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With the help of dermatoscopy, one can not only assess the degree of skin hydration, its turgor and relief, but also track the evolution of age-related changes. For example, according to the severity of the crease in the epidermis, the state of mimic wrinkles is assessed. To assess the degree of dryness of the skin, the severity of peeling is analyzed. If the capillaries of the dermal layer are clearly visible, this indicates a decrease in the number of epidermal layers and, accordingly, the development of age-related atrophic processes.
Dermatoscopy makes it possible to analyze how effective the use of certain cosmetic procedures for skin rejuvenation has been: how the vascular pattern, moisture content, and relief have changed.
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