10 Questions
What is the principal determinant of skin color?
Melanin pigment
What is the term for excessive melanin production in the skin?
Hypermelanosis
What is the term for the yellow-orange discoloration of the skin due to excessive ingestion of colored fruits and vegetables?
Carotenoderma
What is the rare condition where melanin production is stimulated by excessive circulating melanocyte-stimulating hormone (MSH)?
Generalized hyperpigmentation
In patients with Addison disease, where is hyperpigmentation more prominent?
On pressure areas, skin folds, scars, and within the mouth
What is the characteristic distribution pattern of erythromelanosis follicularis?
Symmetrical with sharp demarcation from normal skin
What is the typical age of onset for freckles or ephelides?
Around 5 years old
What is the name of the condition characterized by an increased number of melanocytes?
Lentigines
What is the treatment option for freckles or ephelides?
Laser therapy (picosecond ND/YAG)
What is the term for the presence of lentigines in exceptionally large numbers or in a distinctive distribution?
Lentiginosis
Understand the science behind skin color and its variations. Learn about the role of melanin and other biochromes in determining skin tone. Explore types of hyperpigmentation and their characteristics.
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