A 48-year-old woman from Mumbai with a history of MDR-TB (resistant to isoniazid and rifampicin) completed 20 months of second-line anti-TB therapy 6 months ago. She now presents with persistent cough and fever for 2 months. Repeat sputum smear microscopy is positive. Gene Xpert MTB/RIF confirms MTB with RIF resistance. Subsequent drug susceptibility testing (DST) shows resistance to isoniazid, rifampicin, levofloxacin, and amikacin. What is the most likely diagnosis?

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.

Daily MCQs, study tips, and topper strategies on Telegram.