12 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... On a Chest X-Ray ... detected on a chest ... #Diagnosis #Radiology ... #Pulmonary #CXR
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Track Sign on Chest ... CT • Parallel, ... bronchiectasis, CF, ILD ... #Lung #Pulmonary ... #diagnosis #radiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Bronchogram Sign on Chest ... CT • Patent airways ... edema, severe ILD ... #Lung #Pulmonary ... #diagnosis #radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Pleuritic chest ... pneumonitis Diagnosis ... Exclusion of other ILDs ... reticular opacities on chest ... confirmatory findings on HRCT
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
with subtle HRCT-findings ... these non-specific CT ... broad differential diagnosis ... #Clinical #Radiology ... #CTChest #RBILD
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
(Table). ... Kerley B lines on chest ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Reticular
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
nodules Previous chest ... definitive tissue diagnosis ... #Management #Radiology ... #CTChest #Fleischner ... Society #Followup #Pulmonary
TRALI Diagnostic Criteria
TRALI type 1 - Patients who have no risk factors for ARDS and meet
on imaging (eg. chest ... chest CT, or ultrasound ... have pre-existing mild ... TRALI l, and b Stable ... #Criteria #pulmonary