Pulmonary tuberculosis or nocardiosis? A clinical case discussion
Tuberculosis and socially significant diseases·
- DOI
- 10.54921/2413-0346-2026-14-1-60-65
- PMID
- —
- PMCID
- —
- OpenAlex
- W7203568651
- Study type
- Journal article
- Publisher
- In-Trend
- Article type
- journal-article
- Integrity
- current
Why this research matters now
The case demonstrates that diseases with clinical and radiological features resembling tuberculosis may require molecular diagnostic methods beyond standard microbiological techniques to establish correct etiology and guide appropriate treatment.
Structured evidence summary
Research question
The article examines whether advanced microbial identification techniques can distinguish pulmonary nocardiosis from tuberculosis in cases lacking bacteriological confirmation.
Study design
This is a clinical case report describing diagnostic evaluation of a single patient initially diagnosed with pulmonary tuberculosis without bacteriological confirmation, using microbial marker mass spectrometry and 16S rRNA sequencing.
Population and setting
The study presents one patient diagnosed with pulmonary tuberculosis lacking bacteriological confirmation who underwent further diagnostic testing.
Main findings
Microbial marker mass spectrometry detected 10-methyloctadecanoic acid, a marker of Mycobacteriales, in sputum and bronchial lavage samples. Subsequent 16S rRNA sequencing identified Nocardia cyriacigeorgica DNA, indicating nocardiosis rather than tuberculosis.
Public-health relevance
The case demonstrates that diseases with clinical and radiological features resembling tuberculosis may require molecular diagnostic methods beyond standard microbiological techniques to establish correct etiology and guide appropriate treatment.
Important limitations
This summary relies on the supplied single-article abstract and metadata. As a single case report, generalizability is inherently limited. Full assessment of diagnostic accuracy, clinical outcomes, and methodological details requires review of the complete published article.
GIDS interpretation
This article would be discoverable through tuberculosis surveillance queries based on its title, abstract content, and disease classifier link, though the case ultimately represents nocardiosis misdiagnosed as tuberculosis. The article addresses differential diagnosis rather than tuberculosis epidemiology or transmission.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 7 auditable classifier relationships to diseases, places, topics, and study design.