12 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... Comparison #Table #RadiologyAssistant
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 ... #Diagnosis #Radiology ... #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
lumen - associated atelectasis ... bronchitis, COPD and cystic ... #Diagnosis #Radiology ... Bronchiectasis #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
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... Lymphoid interstitial ... gren syndrome. ... #Clinical #Radiology ... #LAM #Cystic #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
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
Pectus excavatum
In patients with a pectus excavatum the right heart border can be ill-defined, but this
produces a silhouette sign ... consolidation or atelectasis ... The lateral view ... #Clinical #Radiology ... #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
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
the top of their differential ... the comet tail sign ... #Clinical #Radiology ... #CTChest #RoundedAtelectasis ... #RadiologyAssistant