12 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... seen and in many cases ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... A HRCT is needed ... HRCT demonstrated ... #Clinical #Radiology ... #Honeycombing #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
thickening in the reticular ... pattern. ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
interstitial pattern ... preference at the lung bases ... The HRCT demonstrates ... #Clinical #Radiology ... TractionBronchiectasis #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Interstitial - Reticular ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... #Clinical #Radiology ... #Reticular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
pattern. ... In many of such cases ... a HRCT will give ... #Clinical #Radiology ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... morphologic findings on HRCT ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... the dominant HR-pattern ... : reticular nodular ... #Pulmonary #HRCT ... Algorithm #ILD #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... In most cases small ... #Pulmonary #HRCT ... Comparison #Diagram #RadiologyAssistant