1 MCQs in Dermatology for NEET PG
A 48-year-old man with a 20-year history of alcohol dependence presents to the dermatology clinic with a 3-week history of watery diarrhea, progressive apathy, and a striking symmetric, sharply demarcated hyperpigmented scaly dermatitis. On examination, he has a broad necklace-shaped rash across the anterior neck and upper chest, with matching lesions on the dorsa of the hands and forearms in a "gauntlet" distribution. The condition marked **B** in the diagram is suspected. Which of the following biochemical defects BEST explains the pathophysiology of this condition?
Ready to test yourself?
Test your Dermatology knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Pellagra — The 4 Ds and Casal Necklace MCQs with AI-powered explanations tailored to your performance.
Create Free Account