13 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
diseases with a ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... On HRCT there are ... is interstitial lung ... #Diagnosis #Radiology ... #Pulmonary #CXR
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are dealing with a ... , it is likely a ... #Diagnosis #Radiology ... #Pulmonary #HRCT
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... structures of the lung ... #Pulmonary #HRCT ... Perilymphatic #Comparison
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
IIPs) comprise a ... have specific patterns ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... A HRCT is needed ... a reticular pattern ... at the lung bases ... #Clinical #Radiology
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the lung ... In these cases comparison ... period of CHF (right ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... ground-glass opacity with a ... #Clinical #Radiology ... #Comparison #Table
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
Interpretation A ... interpretation of HRCT ... the dominant HR-pattern ... #Pulmonary #HRCT ... Interpretation #Algorithm
Metastases
Metastases are the most common cause of multiple pulmonary masses.
Usually they vary in size and are
cause of multiple pulmonary ... HRCT will demonstrate ... The images show a ... has invaded the inferior ... #Clinical #Radiology