16 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. ... Consolidation 7. ... Organizing Pneumonia ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... Organizing pneumonia ... #Clinical #Diagnosis ... #Radiology #CXR
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 #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... dyspnea • Lobar consolidation ... : • Chest pain ... #differential #diagnosis
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... pain) and signs ... #Pneumonia #Venn
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... Hemorrhage, Edema • Consolidation ... #CT #Patterns # ... #pulmonary #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
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... Differential Diagnosis ... rarely typical pneumonia ... #CXR #clinical ... #CT
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
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... a parenchymal consolidation ... Air #Crescent #Sign ... #diagnosis #radiology