16 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... #Patterns #Differential ... #Diagnosis #pulmonary ... #radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... #differential # ... diagnosis #pulmonary ... #CXR #clinical ... #CT
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... linear branching pattern ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... bronchiectasis, CF, ILD ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
on Chest CT • ... edema, severe ILD ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic fibrosis ... Nasal polyps and signs ... high-resolution chest CT ... #differential # ... diagnosis
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
CT • Coalescent ... progressive massive fibrosis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... without associated pulmonary ... with end-stage fibrosis ... #Clinical #Diagnosis ... Cyst #Emphysema #Comparison
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
The dominant pattern ... these non-specific CT ... there is a broad differential ... diagnosis and additional ... #Clinical #Radiology