4 results
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
Approach to the diagnosis ... pneumonitis; HRCT ... #pneumonitis #pulmonary ... #diagnosis #algorithm ... #HP #ILD
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #SepticEmboli #Cavity ... #RadiologyAssistant
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... bronchiectasis, CF ... , ILD, necrotizing ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... • Nodular or cavitary ... massiliense in CF ... Mimics TB with: Cavitary ... Imaging, high res CT