437 results
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
perihilar and in upper lobes ... Clinical #Radiology #HRCT ... Comparison #Table #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
fibrosis in upper lobes ... Clinical #Radiology #HRCT ... Comparison #Table #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... density in the lower lobes ... DesquamativeInterstitialPneumonia #ILD #RadiologyAssistant
HRCT findings in Chronic eosinophilic pneumonia
Peripheral consolidations with upper lobe predominance (photo negative of pulmonary edema).
On
HRCT findings in ... consolidations with upper lobe ... Eosinophilic #Pnemonia #RadiologyAssistant
Metastases
Metastases are the most common cause of multiple pulmonary masses.
Usually they vary in size and are
predominate in the lower lobes ... HRCT will demonstrate ... Lung #Metastases #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
HRCT findings in ... Upper and mid lobe ... Histiocytosis #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
smokers, upper lobe ... show very similar HRCT ... Fibrosis #Mimic #ILD #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
RB-ILD with subtle HRCT-findings ... emphysema in the upper lobes ... interpretion of the HRCT ... RespiratoryBronchiolitis #ILD #RadiologyAssistant
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
severe in the lower lobes ... difficult to detect on HRCT ... PanlobularEmphysema #RadiologyAssistant
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung: • Upper Lobe ... Anterior • Middle Lobe ... Medial • Lower Lobe ... Lung: • Upper Lobe ... lingular • Lower Lobe