Acanthosis nigricans (AN) is a dermatological condition marked by velvety, hyperpigmented plaques, primarily affecting intertriginous areas such as the neck, axillae, and groin. Traditionally ...
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What causes dark underarms and how are they treated?
Acanthosis nigricans can cause dark underarms and affects people with darker skin more often. Dark underarms can be a sign of ...
That stubborn dark ring around your neck that looks like dirt or tanning may not be what you think. In fact, it could be your skin’s way of alerting you to something much deeper. This condition, known ...
The differential diagnosis for TFFD includes a variety of dermatologic diseases, all of which are characterized by hyperpigmented plaques. These include pityriasis versicolor, acanthosis nigricans, ...
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