10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... #Cysts #Differential ... Comparison #Table #RadiologyAssistant
Diagram of different types of bone tumors that can occur around the knee on XRay -
phase • Paget ... blade of grass sign ... degenerative subchondral cyst ... Diagnosis #Bony #Differential ... #Radiology #XRay
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... seen and in many cases ... #Diagnosis #Radiology ... #RadiologyAssistant
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
phase • Paget ... phase with flame ... blade of grass sign ... Lesions #Bony #Differential ... #Diagnosis #Radiology
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... A signet-ring sign ... bronchitis, COPD and cystic ... Bronchiectasis #Differential ... #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
In these cases, ... a patient with signs ... #Clinical #Radiology ... #CXR #CHF #Pleural ... SubpulmonicEffusion #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Common Causes: • Cystic ... no evidence of cystic ... moderate-to-severe cases ... Nasal polyps and signs ... Bronchiectasis #pulmonary #differential
Pectus excavatum
In patients with a pectus excavatum the right heart border can be ill-defined, but this
produces a silhouette sign ... helpful in such cases ... #Clinical #Radiology ... #CXR #Pectus #Excavatum ... #RadiologyAssistant