15 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
disease comes from HRCT ... On HRCT there are ... On a Chest X-Ray ... #Diagnosis #Radiology ... #Pulmonary #CXR
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
atenuation and areas ... The HRCT shows a ... and intralobular reticular ... #Clinical #Radiology ... #CXR #CTChest #
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
by fluid, fibrous ... pulmonary edema ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Reticular
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... as seen in fibrosis ... disease (i.e. fibrosis ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
histologic pattern of pulmonary ... fibrosis. ... On a chest X-ray ... #Clinical #Radiology ... #Interstitial #
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Diagnosis Framework Reticular ... Lymphangitic Carcinoma, Interstitial ... Honeycombing: Idiopathic Pulmonary ... Differential #Diagnosis #pulmonary ... #radiology
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... peribronchovascular interstitium ... #Clinical #Radiology ... #HRCT #CTChest
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... combinations of fibrosis ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
skin (esp. over areas ... Ulcers, Livedo reticularis ... tends to cause interstitial ... lung disease/pulmonary ... fibrosis (mechanism
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... bronchovascular interstitium ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern