10 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. ... Reverse Halo Sign ... Halo Sign 6. ... Organizing Pneumonia ... #CTChest #diagnosis
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • Pleuritic chest ... • CT: Halo sign ... : • Chest pain ... #differential #diagnosis
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
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 ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
On the left an immunocompromised patient with PCP.
The CT findings are diffuse ground-glass opacification.
The findings are
The CT findings ... #Clinical #Radiology ... #CTChest #PJP # ... Pneumocystis #Pneumonia ... #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
The final diagnosis ... will be other signs ... this #Clinical #Radiology ... #CTChest #COP # ... OrganizingPneumonia #RadiologyAssistant
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... signs of congestive ... the differential diagnostic ... #Clinical #Radiology ... #CTChest #CHF #
Silhouette sign
This is a very important sign. It enables us to find subtle pathology and to
it within the chest ... When there is a pneumonia ... #Diagnosis #Pathophys ... #Radiology #Silhouette ... #RadiologyAssistant
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
he CT shows a lesion ... their differential diagnostic ... #Clinical #Radiology ... #CTChest #RoundedAtelectasis ... #RadiologyAssistant