12 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
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
Medical Radiation Doses ... 14th CXRs 2-view chest ... mSv 200 CXRs Chest ... #PatientInfo #Radiology ... #Nuclear #Comparison
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
CT - Pathophysiology ... glass opacity lung ... that normally does ... #pulmonary #ChestCT ... Pathophysiology #Radiology
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Radiation Dose to ... ) — Lung Cancer ... #PatientInfo #Radiology ... Background #Radiation #Doses ... #Nuclear #Comparison
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
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... Estimated dose - ... mSv 8 months Chest ... #PatientInfo #Radiology ... #Nuclear #Comparison
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
Bronchus Sign) on Chest ... CT • Pulmonary ... and metastatic lung ... rheumatoid nodules, GPA ... #diagnosis #radiology
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Reverse-Halo Sign) on Chest ... CT • Central GGO ... IFI, PJP, LG, GPA ... #Lung #Pulmonary ... #diagnosis #radiology