14 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 ... CT 1. ... Consolidation 7. ... Organizing Pneumonia ... #CTChest #diagnosis
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
that affects the distal ... - Imaging: • CXR ... - Diagnosis: ... BOOP #pulmonary #ILD ... #diagnosis #management
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... there is an ill-defined ... weight loss or long ... causes of chronic consolidation ... #CXR #AirBronchogram
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
- Viral pneumonia ... Aspergillosis CONSOLIDATION ... Patterns #Pulmonary #Lung ... #Differential #Diagnosis ... #Chest
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 ... Cytopenias VIRAL ... #differential #diagnosis
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... with multifocal consolidations ... of chronic consolidation ... #Clinical #Radiology ... #CXR #Peripheral
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 ... #Radiology #CXR
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
Lung infarction ... Here we see an old ... On the CT we can ... #Clinical #Radiology ... #CXR #CTChest #
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
the consolidated lung ... is not seen in viral ... resolution of the consolidation ... #Clinical #Radiology ... #CXR #CTChest #