15 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Pattern #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... bronchovascular interstitium ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential
Chest XRay Interstitial Pattern - Differential Algorithm #Diagnosis #Radiology #Pulmonary #CXR #Interstitial #Pattern #Differential #Algorithm #RadiologyAssistant
Chest XRay Interstitial ... Pattern - Differential ... Algorithm #Diagnosis ... #Radiology #Pulmonary ... #Pattern #Differential
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... Centrilobular distribution ... #Pulmonary #CTChest ... #GroundGlass #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... peribronchovascular interstitium ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... the overlap in differential ... the reticular pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... and perihilar distribution ... peribronchovascular interstitium ... #Clinical #Radiology ... #Comparison #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest