153 results
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
The differential ... is very long. ... is difficult to differentiate ... Management #Radiology #Lung ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
you think of the causes ... UIP, NSIP and long ... Radiology #Pulmonary #CTChest ... Consolidation #Differential ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Emphysema - Lung ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... densities iin the left lung ... cavitation in the right lung ... SepticEmboli #Cavity #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... anteriorly in the left lung ... to a pneumonia caused ... SilhouetteSign #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... Diagnosis #Radiology #CTChest ... Cystic #Cysts #Differential ... Comparison #Table #RadiologyAssistant
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential ... • Infectious Causes ... Non-Infectious Causes ... Dermatomyositis, Lung
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Consolidations - "Shred" sign ... pleura in severe cases ... #pulmonary #differential ... #diagnosis #signs
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Liver Mass - Differential ... Lung, Colon, Breast ... Mass #Hepatology #Differential ... Diagnosis #Algorithm #Causes
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
for enumerating differentials ... dsease) - Anaerobes ... MAC (structural lung ... Pathogens #Pneumonia #Differential ... #Microbiology #Causes