29 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... pattern on a CXR ... in many cases UIP ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
A HRCT is needed ... a reticular pattern ... #Clinical #Radiology ... #CXR #UIP #Reticular ... #Honeycombing #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
pattern with a ... The HRCT demonstrates ... #Clinical #Radiology ... #CXR #UIP #CTChest ... TractionBronchiectasis #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
The HRCT shows a ... and intralobular reticular ... #Clinical #Radiology ... #CXR #CTChest # ... Chronic #Fibrosis #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
pattern. ... pattern. ... of such cases a HRCT ... #Clinical #Radiology ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Interstitial - Reticular ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant