18 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Aspiration - Pulmonary edema ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
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 ... IdiopathicInterstitialPneumonia #ILD
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... low attenuation (table ... based on the x-ray findings ... #Diagnosis #Radiology
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
there additional findings ... #Radiology #Pulmonary ... #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
: incidental finding ... in HRCT, smooth ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... Subacute stage: - RB-ILD ... show very similar HRCT ... findings ... #Radiology #CTChest
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
with subtle HRCT-findings ... broad differential diagnosis ... interpretion of the HRCT ... #Clinical #Radiology ... #CTChest #RBILD
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
a predominant finding ... (Table). ... interstitial pulmonary edema ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Alveolar proteinosis is a rare disease characterized by filling of the alveolar spaces with PAS positive
The diagnosis is ... the suggestive HRCT ... the advent of treatment ... #Clinical #Radiology ... #CTChest #AlveolarProteinosis