12 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
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 ... CT 1. ... Reverse Halo Sign ... #Pulmonary #ChestCT ... #radiology #CTChest
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 ... Chest CT 3 mSv 150 ... #PatientInfo #Radiology ... Background #Radiation #Doses ... #Imaging #ChestXRay
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Radiation Dose to ... ) — Chest 7 mSv ... ) — Lung Cancer ... #PatientInfo #Radiology ... #Imaging #ChestXRay
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... CT • Central GGO ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
lung disease caused ... Calcification (seen in CT ... Silicosis #clinical #radiology ... #CXR #Chest #XRay ... #labeled #pulmonary
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 ... #Imaging #ChestXRay
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
CT • Coalescent ... progressive massive fibrosis ... #Galaxy #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Pleuroparenchymal Fibroelastosis (PPFE) on Chest CT
47 M with idiopathic pleuroparenchymal fibroelastosis. Typical imaging findings:
- Upper lobe
CT 47 M with idiopathic ... subpleural and pleural fibrosis ... Rare - GVHD, lung ... PPFE #ChestCT #radiology ... #clinical #pulmonary
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
and effusion - Pulmonary ... ultrasound - ... patients with pulmonary ... fibrosis #COVID19 ... POCUS #features #Radiology