23 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... ARDS 3. ... Halo Sign 6. ... Consolidation 7.
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... feeding vessel sign ... which are probably consolidations ... #Clinical #Radiology ... #CXR #CTChest #
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Look for other signs ... pulmonay infection, ARDS ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
ARDS/VALI progression ... some pulmonary consolidations ... structures help in the differential ... #Clinical #Radiology ... #CXR #ChestXRay
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... on Chest CT • ... of parenchymal consolidation ... #diagnosis #radiology ... #clinical
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... CT • Central GGO ... circumferential denser consolidation ... #diagnosis #radiology ... #clinical
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
inhalational injury Differential ... pathogens - Viral ... #Radiology #differential ... diagnosis #pulmonary #CXR ... #clinical #CT
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... a parenchymal consolidation ... #diagnosis #radiology ... #clinical
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
common to see consolidation ... The consolidation ... On the CT we can ... #Clinical #Radiology ... #CXR #CTChest #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC ... diagnosis #evaluation #differential