15 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
#Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution ... Central #Peripheral #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
enlargement The table ... vessels #Diagnosis #Radiology ... #Enlargement #Differential ... #Unilateral #Bilateral ... #RadiologyAssistant
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 ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential ... #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
lumen - associated atelectasis ... A signet-ring sign ... #Diagnosis #Radiology ... Bronchiectasis #Differential ... #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
paratracheal and bilateral ... adenopathy ('1-2-3-sign ... #Diagnosis #Radiology ... Lymphadenopathy #Differential ... #RadiologyAssistant
Right middle lobe atelectasis
First study the x-rays and then continue reading.
What are the findings?
Blurring of the
Right middle lobe atelectasis ... border (silhouette sign ... #Clinical #Radiology ... #CXR #Lateral # ... SilhouetteSign #RadiologyAssistant
The findings are:
 - Large density on the left with loss of cardiac silhouette.
 - High
indicate a total atelectasis ... #Clinical #Radiology ... #CXR #Lateral # ... Collapse #Luftsichel #Sign ... LuftsichelSign #RadiologyAssistant
There is an atelectasis of the left upper lobe.
You would not expect the apical region to
There is an atelectasis ... the luft sichel sign ... #Clinical #Radiology ... #CXR #Lateral # ... LuftsichelSign #RadiologyAssistant