8 results
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 ... On the CT cavitation ... Radiology #CXR #CTChest ... SepticEmboli #Cavity #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... throughout the whole lung ... #Radiology #CTChest ... #UIP #Comparison ... #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
areas. ... due to chronic ... thromboembolic disease #Diagnosis ... Radiology #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... - gastric and breast ... Chest CT: • Ground-glass ... Malignancies • Chronic
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... Immunocompromised status • Chronic ... encounters due to NTM: Chronic ... • Dyspnea, • Chest ... Imaging, high res CT
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... mid and lower lung ... left suggest the diagnosis ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
rare idiopathic lung ... suggestive of the diagnosis ... Clinical #Radiology #CTChest ... AcuteInterstitialPneumonia #ILD ... #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
There are two diagnostic ... bronchiolitis or chronic ... Clinical #Radiology #CTChest ... #Attenuation #Comparison ... #RadiologyAssistant