20 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. ... Organizing Pneumonia ... #radiology #CTChest
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Vessel Sign on Chest ... CT • Distinct ... , pulm AVM, GPA ... #Vessel #Sign #CT ... #diagnosis #radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... mueormycosis, GPA ... #Halo #Sign #CT ... #diagnosis #radiology
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
) — Chest 7 mSv ... ) — Lung Cancer ... #PatientInfo #Radiology ... #Nuclear #Comparison ... #Table #Risks #Testing
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
14th CXRs 2-view chest ... #PatientInfo #Radiology ... Radiation #Doses #Imaging ... #Nuclear #Comparison ... #Table #Risks #Testing
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... On the chest x-ray ... proper clinical setting ... weight loss or long ... #Clinical #Radiology
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
• Pleuritic chest ... 100,000/μl) Imaging ... infiltrate by chest ... radiograph or CT ... (LR + 2.8) Testing
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... throughout the lungs ... rarely typical pneumonia ... #Radiology #differential ... CXR #clinical #CT
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... lesions than the chest ... proper clinical setting ... The chest film shows ... #Clinical #Radiology
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... #PatientInfo #Radiology ... Radiation #Doses #Imaging ... #Nuclear #Comparison ... #Table #Risks #Testing