19 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. ... Consolidation 7. ... #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... - Chest Radiology ... throughout the lungs ... #pulmonary #CXR ... #clinical #CT
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
to CT-scan patterns ... Aspergillosis CONSOLIDATION ... #Patterns #Pulmonary ... #Lung #Infections ... #Differential #Diagnosis
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... - Lung neoplasms ... - Chronic post-infection ... #Diagnosis #Radiology ... #Pulmonary #CXR
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Diffuse consolidation ... Look for other signs ... infection, ARDS ... #Diagnosis #Radiology ... #Pulmonary #CXR
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... +/- High res CT ... Cryptococcal Ag, Urine ... #workup #diagnosis
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Diagnosis Framework ... Hemorrhage, Edema • Consolidation ... #Diagnosis #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 ... which are probably consolidations ... #Clinical #Radiology ... #CXR #CTChest #
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... of parenchymal consolidation ... CTAngiogram #Angiogram #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
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 ... #CT #Lung #Pulmonary ... #diagnosis #radiology