What is solar lentigo? Solar lentigo is a harmless patch of darkened skin. It results from exposure to ultraviolet (UV) radiation, which causes local proliferation of melanocytes and accumulation of melanin within the skin cells (keratinocytes). Solar lentigos or lentigines are very common, especially in people over the age of 40 years ...

2023年2月17日 · Solar lentigines, or age spots, are harmless, flat patches of darkened skin. The primary cause of age spots is exposure to UV radiation, which speeds up the production of the pigment...

2024年6月17日 · A solar lentigo (plural, solar lentigines), sometimes called an age spot or liver spot, is a brown macule (small, flat, smooth area of skin) caused by chronic sun or artificial ultraviolet (UV) light exposure. There may be just one lentigo or there may be multiple.

2022年2月11日 · Age spots are small, flat dark areas on the skin. They vary in size and usually appear on areas exposed to the sun, such as the face, hands, shoulders and arms. Age spots are also called sunspots, liver spots and solar lentigines.

2023年6月24日 · Solar lentigines usually have oval to round shapes with uneven edges. They can be different sizes. They tend to show up on areas most exposed to the sun, such as the head, face, hands, arms and upper body. Also called liver spots, they are common in older adults.

Solar lentigo, commonly known as age spots or liver spots, is a skin condition characterized by small, dark patches that typically appear on areas exposed to the sun. These spots develop due to prolonged exposure to ultraviolet (UV) radiation, which increases melanin production in …

2017年12月24日 · Solar lentiginosis is a common, harmless skin condition that occurs mostly in white people over the age of 40. Find out about symptoms and prevention.

2017年5月28日 · Solar lentigines are benign lesions that can evolve to a pigmented seborrheic keratosis. Histologically, it is characterized by club-shaped rete ridges with small nub-like extensions. In addition, there is an increased number of melanocytes and increased pigmentation in the basal keratinocytes.

2023年11月27日 · Age spots (also called liver spots or solar lentigo) are collections of pigment caused by exposure to the sun. Pigment is deposited as a response to injury, just like a scar is a response to a cut. The pigment collects in areas injured because of …

Liver spots (also known as age spot, solar lentigo, [1] " lentigo senilis ", [1]: 686 " old age spot ", [2] " senile freckle ") [2] are blemishes on the skin associated with aging [3] and exposure to ultraviolet radiation from the sun. [4] .