12 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT ... Reverse Halo Sign ... Halo Sign 6. ... Consolidation 7. ... Organizing Pneumonia
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... the differential diagnosis ... , is to look at ... #Diagnosis #Radiology ... #Pulmonary #CXR
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... Pulmonary hemorrhage ... Sarcoidosis - at ... #Clinical #Diagnosis ... #Radiology #CXR
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... circumferential denser consolidation ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Good example of 'shred sign' in a patient with fever, cough and shortness of breath. 

This
example of 'shred sign ... This POCUS finding ... signifies subpleural consolidation ... on CXR/CT imaging ... ultrasound #lung #pulmonary
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... ring of dense consolidation ... Cryptogenic organizing pneumonia ... #diagnosis #pulmonary ... #radiology
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Diffuse consolidation ... Look for other signs ... patients, who have an ... #Diagnosis #Radiology ... #Pulmonary #CXR
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... dyspnea • Lobar consolidation ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
of the reversed halo ... sign (RHS). ... lesions, lobular consolidation ... #Diagnosis #Pulmonary ... #Radiology #RHS
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... traversing through an ... of parenchymal consolidation ... #CT #Lung #Pulmonary ... #diagnosis #radiology