18 results
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
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
nodular pattern. 1. ... Hypersensitivity pneumonitis ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
Doses for 5 Year-Old ... 14th CXRs 2-view chest ... mSv 200 CXRs Chest ... #PatientInfo #Radiology ... #Nuclear #Comparison
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Hypersensitivity Pneumonitis ... to perfusion: 3:1) ... overperfused (ratio: 0.6:1) ... caused by a rigid chest ... #STARCHASERS #radiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Hypersensitivity Pneumonitis ... Smoking, Alpha-1- ... #CT #Patterns # ... #radiology
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign on Chest ... CT • Multiple ... bronchiolitis, aspiration pneumonitis ... #Lung #Pulmonary ... #diagnosis #radiology
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
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
) — Chest 7 mSv ... ) — Lung Cancer ... Scoring 3 mSv 1 ... #PatientInfo #Radiology ... #Nuclear #Comparison
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... scattered, small (1 ... throughout the lungs ... #diagnosis #pulmonary ... CXR #clinical #CT