14 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... Perilymphatic nodules ... the reticular pattern ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... to distinguish perilymphatic ... are visible, the pattern ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis on HRCT ... disease comes from HRCT ... On HRCT there are ... reticular, nodular ... Diagnosis #Radiology #Pulmonary
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... pattern. ... Diagnosis #Radiology #Pulmonary ... #HRCT #NodularPattern ... #Nodular #Pattern
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
x-ray shows subtle findings ... In many cases a HRCT ... The HRCT - not shown ... Clinical #Radiology #CXR ... #Interstitial #Pattern
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... consolidation and GG pattern ... irregular lines, nodular ... , cavities • HRCT ... ILD #diagnosis #management
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 ... : reticular nodular ... there additional findings ... #HRCT #CTChest
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis The key findings ... The HRCT shows a ... mosaic pattern ... and secondry nodules ... Clinical #Radiology #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... on HRCT and histology ... realise, that these patterns ... of NSIP, UIP, OP ... Diagnosis #Radiology #Pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... Physical stigmata of cor ... centrilobular nodules ... • Pulmonary artery ... Diagnosis: • HRCT