What is solar lentigo?

Solar lentigo refers to irregular tan to dark brown spots that appear on skin chronically exposed to sunlight. They typically have a smooth surface and clearly defined borders.

Which department should I visit for solar lentigo?

English name: Lentigo Senilis, Solar lentigines

Also known as: Senile lentigo, Sunspot

Departments: Dermatology, Cosmetic & Plastic Surgery

What causes solar lentigo?

Solar lentigo is primarily caused by prolonged sun exposure. Other contributing factors may include smoking, environmental pollution, and hormonal levels.

Who is most likely to develop solar lentigo?

Middle-aged and elderly individuals.

What are the symptoms of solar lentigo?

• Location: Mainly appears on sun-exposed areas such as the face, neck, and hands.
• Color: Usually dark, ranging from tan to deep brown.
• Appearance: Round, oval, or irregular in shape with a smooth, flat surface and clearly defined borders.
• Generally asymptomatic.

How is solar lentigo diagnosed?

Diagnosis is primarily made by visual examination of the lesion's color and appearance.

How is solar lentigo treated?

• No treatment is necessary if the spots are not in cosmetically sensitive areas like the face.
• For spots affecting appearance, laser or cryotherapy may be considered.

Can solar lentigo turn into cancer?

The prognosis is generally good, with no risk of malignancy. The main concern is cosmetic or social impact.

How to prevent solar lentigo?

The exact cause of solar lentigo remains unclear, making prevention difficult. However, some measures may help reduce its occurrence:

• Avoid prolonged sun exposure. Use sun protection (e.g., sunscreen, shade) when outdoors for long periods or in strong sunlight.
• Minimize exposure to air pollution and quit smoking.