43 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #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
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
mycobacteria which can cause ... a patient with active ... pus within the cavity ... #Clinical #Radiology ... AirFluidLevel #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
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
a patient with active ... before the typical cysts ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
the lung, like cyst ... , cavity, pneumatocele ... since in many cases ... #Differential #Table ... #Diagnosis #Radiology
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
#Clinical #Radiology ... Tuberculosis #TB #Active ... #SecondaryTB #Cavitary ... TractionBronchiectasis #RadiologyAssistant
Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... in Mediastinal masses ... #Diagnosis #Radiology ... #Differential #Table ... Middle #Posterior #RadiologyAssistant
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
Multiple masses ... list of multiple masses ... listed in the table ... #Management #Radiology ... #Differential #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 ... Unilateral #Bilateral #RadiologyAssistant