Oregon Esthetician State Board

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What is the medical term for liver spots?

Sunspots
Chloasma
Lentigo
Freckles

The correct answer is: Chloasma

The medical term for liver spots is lentigo, which refers to small, darkened areas on the skin that can result from sun exposure and aging. Lentigo can occur as a response to UV radiation, leading to an increase in melanin production, which causes these patches to appear. Chloasma, also known as melasma, is more commonly associated with pregnancy and hormonal changes rather than aging or sun exposure specifically. Sunspots typically refer to the same visual appearance but are not the formal medical term. Freckles are small, light-brown spots that are often hereditary and more common in individuals with fair skin, rather than related to liver spots. Understanding these differentiations helps clarify why lentigo is the correct label for liver spots.