SciCombinator

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Concept: Rusty Brown

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A 49-year-old man who had recently emigrated from Myanmar presented with a 6-month history of rusty brown sputum with hemoptysis. A tuberculin skin test was positive, but sputum smears were negative for acid-fast bacilli, ova, and parasites.

Concepts: Bacteria, Parasites, Tuberculosis, Mantoux test, Tuberculin, Acid-fast, Acid fast bacilli, Rusty Brown