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Diagnosis of NTM Lung Disease
Learning ObjectivesDiagnosis of NTM Lung Disease
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Content
The clinician must integrate clinical, radiographic, and microbiological data to make a diagnosis of NTM lung disease, but it can be confirmed by
• At least two positive cultures from sputum.
• One positive culture in the case of bronchoscopic wash or lavage, or
• A transbronchial or other lung biopsies with a positive culture for NTM or compatible histopathological features such as granulomatous inflammation or stainable acid-fast bacilli (AFB).
As a result, symptomatic patients with compatible radiographic findings should meet the microbiological criteria to be diagnosed with NTM lung disease.
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