7 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... bronchovascular interstitium ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... disease comes from HRCT ... On HRCT there are ... low attenuation (table ... based on the x-ray findings
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 ... #NodularPattern ... #Nodular #Pattern
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... on HRCT and histology ... realise, that these patterns ... vascular diseases (e.g
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 ... perilymphatic or random ... there additional findings ... Interpretation #Algorithm
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... edema: incidental finding ... in HRCT, smooth ... peribronchovascular interstitium ... #Comparison #Table
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung interstitium ... cells results in a pattern ... a predominant finding ... differential diagnosis (Table ... Radiology #Pulmonary #HRCT