18 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
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
blue marks on her chest ... (photo). ... the underlying diagnosis ... PhysicalExam #Video #Clinical ... Pericarditis #Cardiology
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PA view
On the PA chest-film it is important to examine all the areas where the lung
view On the PA chest-film ... the silhouette sign ... #Clinical #Anatomy ... #Radiology #CXR ... ParatrachealStripe #RadiologyAssistant
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... areas of low, normal ... #Head #Cheese #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... secondary lobules with normal ... #Clinical #Radiology ... #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant
Pectus excavatum
In patients with a pectus excavatum the right heart border can be ill-defined, but this
ill-defined, but this is normal ... produces a silhouette sign ... of the anterior chest ... #Clinical #Radiology ... Pectus #Excavatum #RadiologyAssistant
Silhouette sign
This is a very important sign. It enables us to find subtle pathology and to
The loss of the normal ... the heart, the normal ... #Diagnosis #Pathophys ... #Radiology #Silhouette ... #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
challenging differential diagnosis ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... Histiocytosis #Cystic #RadiologyAssistant