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. ... Bilateral Peripheral ... Organizing Pneumonia ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... #Pneumonia #Venn
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 ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
Batwing A bilateral ... it is seen in pneumonias ... #Diagnosis #Radiology ... #CXR #Batwing # ... Differential #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... Differential Diagnosis ... rarely typical pneumonia ... #CXR #clinical ... #CT
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
carcinoma, the diagnosis ... cryptogenic organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... #ILD #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
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
for Klebsiella pneumonia ... necrosis (7-14 days later ... Blood cultures • CXR ... early disease) • CXR ... CT Lung Abscess
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... #Clinical #Diagnosis ... #Radiology #CXR ... Consolidation #Causes #RadiologyAssistant