Laser Technician (International Board of Electrologist Certification) IBEC Board Exam

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What is a skin condition that is characterized by dark raised areas developing in skin folds?

Acanthosis nigricans
Psoriasis
Eczema
Dermatitis

The correct answer is: Acanthosis nigricans

Acanthosis nigricans is the correct response because it specifically refers to a skin condition where there are dark, velvety patches that primarily develop in skin folds, such as the neck, armpits, and groin. This condition is often associated with insulin resistance, obesity, hormonal disorders, or certain medications. The dark raised areas are a result of thickened skin with increased pigmentation, and the presence of these patches can be an indicator of underlying metabolic issues, making recognizing this condition important for both diagnosis and management. The other conditions listed do not typically present with the same characteristics. Psoriasis is known for its silvery, scaly patches that can appear anywhere on the body but are generally not localized to folds in the skin. Eczema is characterized by itching and inflammation, leading to dry, red patches rather than raised dark areas. Dermatitis is a broad term that encompasses various skin irritations and conditions but does not specifically denote the dark, raised areas associated with acanthosis nigricans.