62 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... #Clinical #Radiology ... LowAttenuation #Cystic ... Pattern #Comparison #Table ... #RadiologyAssistant
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
The differential ... listed in the table ... is difficult to differentiate ... #Management #Radiology ... #RadiologyAssistant
Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... #Diagnosis #Radiology ... Mediastinal #Mass #Differential ... #Table #Anterior ... Middle #Posterior #RadiologyAssistant
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
enlargement The table ... summarizes the causes ... vessels #Diagnosis #Radiology ... #Enlargement #Differential ... Unilateral #Bilateral #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
early nodular stage ... before the typical cysts ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
you think of the causes ... or tumor cells (Table ... #Diagnosis #Radiology ... Consolidation #Differential ... #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
In the proper clinical ... lobar pneumonia caused ... #Clinical #Radiology ... AirBronchogram #RUL ... Lobar #Pneumonia #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... seen and in many cases ... #Diagnosis #Radiology ... #RadiologyAssistant