Lentigo solar

What is solar lentigo?

Solar lentigo is harmless patch dark skinned It is the result of exposure to ultraviolet light (UV) radiation, which causes local proliferation of melanocytes and accumulation of melanin inside the skin cells (keratinocytes) Solar lentigines or lentigines They are very common, especially in people over the age of 40. Sometimes they are also known as a "point of old age" or "senile sin."

What does a solar lentigo look like?

A solar lentigo is a flat pitcircumscribed patch. It can be round, oval or irregularly shaped. The color ranges from skin color, light brown to dark brown or black, and the size ranges from a few millimeters to several centimeters in diameter. They may be slightly scaly.

Solar lentigines are found as groups of similar lesions in places exposed to the sun, particularly the face or the back of the hands. They occur on light and dark skin, but tend to be more numerous in light-skinned individuals.

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How is a solar lentigo diagnosed?

Solar lentigo is often diagnosed clinically. Sometimes it can be difficult to tell an irregular sun lentigo from melanoma, a potentially dangerous form of skin Cancerand the term atypical solar lentigo can be used.

Dermoscopic examination can clarify the diagnosis. If there are still diagnostic doubts, a skin biopsy can be done to histological exam.

Changes within the solar lentigo

Seborrheic keratosis it can arise within solar lentigines. This results in located thickening and change of texture within the lentigo.

Solar lentigines can catch fire when called lichenoid keratosis or lichen planus such as keratosis (due to the pattern of inflammation seen in histopathology) Lichenoid keratoses gradually disappear.

What treatments are available for solar lentigo?

If left untreated, solar lentigo will likely persist indefinitely. Cryotherapy and To be Surgery can destroy them, but treatment can leave a temporary or permanent white or dark mark.

Bleaching agents like hydroquinone are not effective.

Preventive measures include minimizing sun exposure and the use of sunscreen, but this should start early in life.