STDs & Pigmentary Disorders · NEET PG Preparation Dermatology
A 25-year-old male presents with multiple hyperpigmented, velvety plaques in the axillae and neck folds. He has a BMI of 34 kg/m2 and fasting blood g…
Practice question from STDs & Pigmentary Disorders (NEET PG Preparation Dermatology), with the correct answer and a step-by-step solution.
easy · MCQ · Q-CC09D4
A 25-year-old male presents with multiple hyperpigmented, velvety plaques in the axillae and neck folds. He has a BMI of 34 kg/m2 and fasting blood glucose of 140 mg/dL. Skin biopsy shows epidermal hyperkeratosis and papillomatosis with minimal hyperpigmentation of the basal layer. What is the most appropriate term for this dermatological manifestation?
- A.Acanthosis nigricansCorrect answer
- B.Confluent and reticulated papillomatosis
- C.Darier disease
- D.Dowling-Degos disease
Solution
Acanthosis nigricans is characterized by symmetric, hyperpigmented, velvety plaques typically found in intertriginous areas like the axillae and neck. It is commonly associated with insulin resistance, obesity, and endocrinopathies.
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