18 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... with end-stage fibrosis ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison #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
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
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
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... diagnosis in this ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... 90% are smokers, cysts ... gren syndrome. ... #Clinical #Radiology ... #CTChest #Lymphangiomyomatosis
Pectus excavatum
In patients with a pectus excavatum the right heart border can be ill-defined, but this
produces a silhouette sign ... The lateral view ... #Clinical #Radiology ... #CXR #Pectus #Excavatum ... #RadiologyAssistant