8 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... bronchiectasis: ... central dot. - LIP ... Clinical #Diagnosis #Radiology ... #Cysts #Differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... (LAM, LIP, Langerhans ... histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... LowAttenuation #Differential
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
, as in cystic fibrosis ... CT demonstrated ... bronchiectasis with ... #Clinical #Radiology ... #CXR #CTChest #
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Sarcoidosis • Bronchiectasis ... HighRes #Chest #CT ... Diagnosis #pulmonary #radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... When the cysts have ... in many cases UIP ... #Diagnosis #Radiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Common Causes: • Cystic ... no evidence of cystic ... high-resolution chest CT ... , CCP, ANCA • HIV ... #pulmonary #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... , Sarcoidosis, HSP ... #differential # ... diagnosis #pulmonary #CXR ... #clinical #CT
Pericardial Hemangioma on Echocardiogram (PLAX)
DDx on this para-aortic pericardial mass? 
Radiologist on CT: “No enchancement on
Radiologist on CT ... ECHO appearance differentials ... favour pericardial cyst ... lesions CMR = ... pocus #clinical #cardiology