A 42-year-old woman with lepromatous leprosy on MDT for 18 months develops acute fever, painful nodules, and iritis. Slit-skin smear shows bacilli. Which investigation is most specific for confirming Type 2 lepra reaction (erythema nodosum leprosum)?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.