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Which skin discoloration change is commonly referred to as liver spots in older adults?
Lentigines
Leukoderma
Freckles
Melasma
The correct answer is: Lentigines
Lentigines are commonly referred to as liver spots, particularly in older adults. These spots result from an increase in the number of melanocytes, which are the cells responsible for producing melanin, the pigment that gives skin its color. As people age, sun exposure and genetic factors contribute to the development of lentigines, leading to these flat, brown, or black spots on the skin, especially in sun-exposed areas such as the face, hands, and arms. In contrast, leukoderma refers to white patches on the skin caused by a loss of pigment, which is distinct from the darker discolorations seen in lentigines. Freckles are small, flat, brown spots that typically appear on individuals with fair skin due to sun exposure, and they are not primarily associated with aging but rather with pigmentation changes in response to sunlight. Melasma is characterized by larger, brown patches typically associated with hormonal changes, often seen in women, especially during pregnancy or while on birth control, creating a different appearance and cause compared to liver spots. Thus, lentigines effectively describes the skin discoloration commonly associated with older adults.