Pulmonary Tuberculosis: The Great Mimicker of Lung Cancer.

Though tuberculosis (TB) is an ancient pathogen, diagnosis remains challenging. Distinguishing pulmonary tuberculoma, a rare manifestation of TB, from lung cancer is critical. We report an 85-year-old woman with a smoking history and TB-endemic exposure, presenting with fatigue and anorexia. Imaging revealed a solitary pulmonary nodule (SPN), with biopsy confirming TB.