27th May 2025

A 59-year-old man presents to his GP after having a chronic cough, weight loss and night sweats over the last 3 months.

A 59-year-old man presents to his GP after having a chronic cough, weight loss and night sweats over the last 3 months. He recently emigrated to the UK from India last year. He has a 10-pack year smoking history. His observations are: temperature 36.7, BP is 96/70, HR 72, RR 12, sats 96% on RA. On examination, he appears thin with buccal hyperpigmentation. An initial chest x-ray shows very fine nodules throughout both lung fields and a tuberculin test is positive. What is the most likely cause of his presentation?

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