16 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis ... #HRCT #ChestCT ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... findings. ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Emphysema #SignetRing #RadiologyAssistant
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... #Clinical #Diagnosis ... #HRCT #POCUS #Lung ... #Correlation #Table ... #ILD #Findings
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... on HRCT and histology ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
edema: incidental finding ... in HRCT, smooth ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
findings. ... Pulmonary hemorrhage ... nodular interstitial lung ... #Clinical #Diagnosis ... Consolidation #Causes #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... a predominant finding ... (Table). ... #Pulmonary #HRCT ... #Differential #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
histologic pattern of pulmonary ... A HRCT is needed ... to confirm the diagnosis ... #Clinical #Radiology ... #Honeycombing #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 ... broad differential diagnosis ... and additional clinical ... #Clinical #Radiology ... RespiratoryBronchiolitis #ILD #RadiologyAssistant