27th June 2023

Eileen is a 34-year-old lady who has presented to her GP following fevers and shortness of breath.

Eileen is a 34-year-old lady who has presented to her GP following fevers and shortness of breath. On examination, she is found to have enlarged lymph nodes. She was diagnosed ten years ago with HIV but has had intermittent adherence with treatment since then. She has hilar lymphadenopathy on chest radiography. You suspect that she has tuberculosis, however, repeated sputum samples are negative. Which diagnostic method would be most likely to establish this diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.