22 results
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Sarcoidosis end-stage: consolidation ... COP. ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... of OP. ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP #
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 ... • DDx: COP, IFI ... #diagnosis #radiology
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 ... Consolidation 7. ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
The final diagnosis ... pneumonia the HRCT ... will be other signs ... this #Clinical #Radiology ... #CTChest #COP #
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
CT in a lobular ... BO, CTEPH, PJP, CEP ... , HP, COP https ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... a parenchymal consolidation ... or nodular opacity ... #diagnosis #radiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... Low Attenuation Nodular ... Hemorrhage, Edema • Consolidation ... #pulmonary #radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... which are probably consolidations ... #Clinical #Radiology
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... on Chest CT • ... of parenchymal consolidation ... CTAngiogram #Angiogram #Sign ... #diagnosis #radiology