37 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
women in the child-bearing ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
pattern can be readily ... #Diagnosis #Radiology ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
woman of child-bearing ... #Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
woman of child-bearing ... #Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... pattern we are dealing ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
So we are dealing ... with the differential ... #Clinical #Radiology ... #CXR #Peripheral ... OrganizingPneumonia #BOOP #RadiologyAssistant
Cor triatriatum
 • Epidemiology
 • Etiology
 • Associated Lesions
 • Differentials Diagnosis
 • Anatomy - Sinister,
Associated Lesions • Differentials ... Physiology • Clinical ... Post-Operative Management ... CorTriatriatum #diagnosis #management ... #cardiology #summary
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
in the proper clinical ... nodules and a feeding ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
is necessary to differentiate ... a healing fracture ... #Clinical #Radiology ... #CXR #Old #RibFracture ... #Pseudotumor #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
small airways leading ... #Clinical #Radiology ... #CXR #Pneumothorax ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant