Question

A 52-year-old man presents with low-grade fever, night sweats, and weight loss. Chest X-ray reveals a right upper lobe cavitary lesion. He emigrated from a high TB prevalence country 10 years ago. Which diagnostic test is most appropriate to confirm active pulmonary tuberculosis?

Accepted Answer

Three sputum samples for acid-fast bacilli smear and culture

Answer

Tuberculin skin test

Answer

Interferon-gamma release assay

Answer

Bronchial biopsy only

Answer

Serum TB antibody test

Practice question

A 52-year-old man presents with low-grade fever, night sweats, and weight loss. Chest X-ray reveals a right upper lobe cavitary lesion. He emigrated from a high TB prevalence country 10 years ago. Which diagnostic test is most appropriate to confirm active pulmonary tuberculosis?