24 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or ... - Emphysema - Lung ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... , high and low attenuation ... #Diagnosis #Radiology ... #Pulmonary #CXR
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... lung disease (i.e ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... responses of the lung ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Lymphangitic Carcinoma, Interstitial ... Honeycombing: Idiopathic Pulmonary ... #Differential #Diagnosis ... #pulmonary #radiology
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... lung disease, it ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Reticular
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... Variable attenuation ... .2016.12.033 #Mosaic #Attenuation ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Cardiogenic pulmonary ... peribronchovascular interstitium ... : ground glass attenuation ... #Clinical #Radiology ... #HRCT #CTChest
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 ... consolidation) low attenuation ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... #HRCT #CTChest
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
bronchovascular interstitium ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern