28 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 ... Reverse Halo Sign ... Consolidation 7. ... #CTChest #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
non-pulmonary findings ... the alveoli with transudate ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... which are probably consolidations ... #Clinical #Radiology ... #CXR #CTChest #
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
No pathological findings ... some pulmonary consolidations ... the differential diagnosis ... #Clinical #Radiology ... #CXR #ChestXRay
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... in interstitial lung ... low attenuation (table ... #Diagnosis #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... listed in the table ... vascular diseases (e.g ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... of chronic consolidation ... The lab-findings ... #Clinical #Radiology ... #CXR #Peripheral
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... circumferential denser consolidation ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... of parenchymal consolidation ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... a parenchymal consolidation ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical