Lentigo (Lentigines)
Liver Spots / Sun Spots / Age Spots
Overview
Lentigines are flat, well-defined brown spots on the skin that result from increased melanocyte activity, most commonly due to chronic sun exposure (solar lentigines). They are benign and are sometimes called age spots or liver spots.
Key Symptoms
- Flat, well-defined brown, tan, or dark spots
- Uniform color that is darker than surrounding skin
- Range from a few millimeters to several centimeters
- Occur on sun-exposed areas of skin
- Do not fade with sun avoidance, unlike freckles
- Usually have regular, well-defined borders
Affected Areas
Face, Hands, Forearms, Shoulders, Upper back
Care Instructions
- No treatment is required since lentigines are benign.
- Monitor spots for changes in size, shape, color, or borders.
- See a dermatologist if any spot develops irregular borders, multiple colors, or changes rapidly.
- Use daily broad-spectrum SPF 30+ sunscreen to prevent new spots.
- Cosmetic options include cryotherapy, laser therapy, or topical retinoids if desired.
- Have a dermatologist evaluate any new dark spots to rule out melanoma.
Medical Disclaimer: This information is for educational purposes only and does not replace professional medical advice. Always consult a qualified dermatologist for diagnosis and treatment.
Prevalence: Very common; affects more than 90% of Caucasians over age 60