16 results
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... Sterptococcus pneumoniae ... #Clinical #Radiology ... #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Rounded atelectasis
The typical findings of rounded atelectasis on CT are pleural thickening, pleural-based mass and comet
Rounded atelectasis ... atelectasis on CT ... and comet tail sign ... #Diagnosis #Radiology ... #Atelectasis #RadiologyAssistant
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. ... Organizing Pneumonia ... #CTChest #diagnosis
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 ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... chest pain) and signs ... #Pneumonia #Venn
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM: round ... : 'signet ring sign ... #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Comet Tail Sign on Chest CT
 • Curvilinear pleural based opacity directed towards the ipsilateral hilum
Comet Tail Sign ... on Chest CT • Curvilinear ... hilum • DDx: Rounded ... #Comet #Tail #Sign ... #diagnosis #radiology
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 ... the comet tail sign ... Atelectasis #CometTail #Sign ... #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Look for other signs ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... Signs/Symptoms: ... radiograph or CT ... Yield of blood CX ... #CAP #Diagnosis