18 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 ... Reverse Halo Sign ... Halo Sign 6. ... Consolidation 7. ... #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... nodular interstitial lung ... #Clinical #Diagnosis ... #Causes #RadiologyAssistant
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 ... feeding vessel sign ... which are probably consolidations ... Radiology #CXR #CTChest
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... Reverse #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
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
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... a parenchymal consolidation ... Air #Crescent #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
cases with chronic consolidation ... The final diagnosis ... will be other signs ... Clinical #Radiology #CTChest ... OrganizingPneumonia #RadiologyAssistant
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
friction rub audible Lungs ... cause interstitial lung ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms ... #diagnosis #ExtraArticular
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
also demonstrate signs ... the differential diagnostic ... a precursor of consolidation ... Clinical #Radiology #CTChest ... IntersitialEdema #Septal #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... and dyspnea • Lobar ... consolidation or ... #differential #diagnosis