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What Are Solar Lentigines. Solar lentigines are caused by long-term sun exposure. The spots appear on your trunk arms and legs. The name lentigo originally referred to its appearance resembling a small lentil. The primary cause of age spots is exposure to UV radiation which speeds up the production of the pigment melanin.
Solar lentigines or age spots are harmless flat patches of darkened skin. A solar lentigo plural solar lentigines also known as a sun-induced freckle or senile lentigo is a dark hyperpigmented lesion caused by natural or artificial ultraviolet UV light. It results from exposure to ultraviolet UV radiation which causes local proliferation of melanocytes and accumulation of melanin within the skin cells keratinocytes. What are Solar Lentigines. Eine Lentigo solaris wird durch eine zunächst rein melanozytäre bei längerem Bestand auch durch eine gemischt epidermo-melanozytäre Proliferation hervorgerufen. Solar lentigo is caused by exposure to ultraviolet radiation from the sun.
It can be round oval or irregular in shape.
A variety of treatment modalities have been used over the years to remove solar lentigines including. Solar lentigines are caused by long-term sun exposure. They are also known as age spots. Alternately some people have many of them and in the plural form these are called lentigines. These lesions can vary in size and may increase in number with age. Lentigines are a result of hyperplasia of keratinocytes and melanocytes with increased accumulation of melanin in the keratinocytes.