9 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
on Chest CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... #ChestCT #radiology ... #CTChest #diagnosis
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
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... Pulmonary #diagnosis #radiology ... #clinical
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
X-ray 0.001 mSv ... ) — Chest 7 mSv ... ) — Lung Cancer ... #PatientInfo #Radiology ... #Nuclear #Comparison
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
on Chest CT • ... linear branching pattern ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
radiology examinations ... X-ray 0.01 mSv 1 ... #PatientInfo #Radiology ... #Nuclear #Comparison ... #Study #Peds #Pediatrics
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... Calcification (seen in CT ... typical eggshell pattern ... #radiology #CXR ... #Chest #XRay #labeled
Figure of 3 Sign - Coarctation of the Aorta on Chest X-Ray

The figure of 3 sign
of the Aorta on Chest ... X-Ray The figure ... Commonly seen in long-standing ... #XRay #clinical ... #radiology #pediatrics
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... radiograph pattern ... wall, a chest x-ray ... #Radiology #CTChest ... #Lung #Pulmonary