16 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... Pulmonary Diseases ... #Lung #Signs #Pulmonary ... #differential # ... radiology
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Findings on Chest ... CT 1. ... #Pulmonary #ChestCT ... #radiology #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... disease comes from ... #Diagnosis #Radiology ... #Pulmonary #CXR
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Smoking related diseases ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Honeycombing Most diseases ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... throughout the lungs ... #Radiology #differential ... #diagnosis #pulmonary ... CXR #clinical #CT
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... caused by a rigid chest ... Pulmonary Diseases ... #diseases #differential ... #STARCHASERS #radiology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #GroundGlass #Differential