Lentigenes, also known as “sun spots” or “solar lentigines” are tan to brown spots that appear in sun exposed areas, including the face, neck, chest and arms in response to sun exposure over time. These are very common, particularly in those who have had a lot of sun exposure over a period of years.

Lentigenes tend to persist for an entire lifetime without treatment. They may darken and be more noticeable with sun exposure.

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Frequently Asked Questions

How do dermatologists diagnose lentigines?

A dermatologist can typically diagnose lentigines from looking at the skin. It is important to have new or enlarging brown spots examined by a dermatologist because there is a type of skin cancer which can resemble lentigenes. Your dermatologist may use a handheld device called a dermatoscope to help distinguish between these. Sometimes, a small sample of the skin, known as a skin biopsy, may be needed to confirm the spot is not a skin cancer.