Drug resistant pulmonary tuberculosis mimicking a flu-like syndrome in an elderly man: an atypical case report.

Despite remarkable reductions in its incidence and mortality, tuberculosis (TB) continues to be a major health burden globally. Pulmonary TB occasionally challenges physicians, either due to TB's ability to mimic many different conditions or because of the increasing number of drug-resistant Mycobacterium tuberculosis isolates. Here we present a case of pulmonary TB with both characteristics and a brief review of the relevant literature.