20 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic ... Comparison #Table #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 ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Nodule - Multiple Masses ... Atelectasis #Diagnosis ... #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
blue marks on her chest ... the underlying diagnosis ... Causes = RV failure ... PhysicalExam #Video #Clinical ... Pericarditis #Cardiology
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Kussmaul's Sign and Friedreich's Sign on Neck Examination

A middle-aged M with unknown PMH presents with dyspnea.
Most likely diagnosis ... the skin (middle chest ... the underlying cause ... #PhysicalExam #Clinical ... #Video #Cardiology
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Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... #Clinical #Diagnosis ... #Radiology #CXR ... #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
The final diagnosis ... will be other signs ... look like this #Clinical ... #Radiology #CTChest ... OrganizingPneumonia #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... challenging differential diagnosis ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #
The CT-image is not very helpful in the differentiation.
There are hypodense areas, which could be masses.
On
which could be masses ... Finally the diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... Consolidation #RadiologyAssistant
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 ... of the anterior chest ... #Clinical #Radiology ... Pectus #Excavatum #RadiologyAssistant