This patient went on to have a bronchoscopy with bronchial washings obtained.
MICROSCOPY: Auramine-Rhodamine Stain: No Acid Fast Bacilli Detected. A negative acid-fast smear result does not exclude the presence of Mycobacterium species.
ANTIGEN TESTING: MPT64 Antigen: M.tuberculosis Complex DETECTED
NUCLEIC ACID TESTING: DNA Amplification Assay for M.tuberculosis Complex: DETECTED
MYCOBACTERIUM CULTURE
- MGIT bottle (9 days): POSITIVE
- Mycobacterium tuberculosis: ISOLATED
SENSITIVITIES
- Ethambutol: sensitive
- Isoniazid: sensitive
- Pyrazinamide: sensitive
- Rifampicin: sensitive