22 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
The differential ... diagnosis includes ... #Clinical #Radiology ... #CXR #Lateral # ... #RadiologyAssistant
There is an atelectasis of the left upper lobe.
You would not expect the apical region to
the luft sichel sign ... #Clinical #Radiology ... #CXR #Lateral # ... LUL #Lobar #Collapse ... LuftsichelSign #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #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
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
diagnosis. ... Neoplasm with lobar ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
A signet-ring sign ... COPD and cystic fibrosis ... #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
border (silhouette sign ... #Clinical #Radiology ... #CXR #Lateral # ... RML #MiddleLobe #Lobar ... SilhouetteSign #RadiologyAssistant
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
has a limited differential ... diagnosis. ... #Diagnosis #Radiology ... #CXR #Lobar #Collapse ... Patterns #Comparison #RadiologyAssistant
The findings are:
 - Large density on the left with loss of cardiac silhouette.
 - High
#Clinical #Radiology ... #CXR #Lateral # ... LUL #Lobar #Collapse ... #Luftsichel #Sign ... LuftsichelSign #RadiologyAssistant