11 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... perilymphatic, random and centrilobular ... the nodules are diffuse ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... defined centrilobular ... Clinical #Radiology #HRCT ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... defined centrilobular ... CTChest #Nodular #Pattern ... #NodularPattern ... Differential #Comparison #Table
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 ... #NodularPattern ... #Nodular #Pattern
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... related diseases (centrilobular ... bronchiolitis (RB-ILD ... Radiology #Pulmonary #HRCT ... #Differential #Table
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... correlation in normal lung ... artifact); (G) UIP pattern ... Clinical #Diagnosis #HRCT ... #Table #ILD #Findings
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... morphologic findings on HRCT ... realise, that these patterns ... IdiopathicInterstitialPneumonia #ILD
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 ... secondary lobule (centrilobular ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
consolidation and GG pattern ... , cavities • HRCT ... Pulmonary lymphoma, Diffuse ... Treatment: • Mild ... BOOP #pulmonary #ILD
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... Lung Disease (DCLD ... LCDD, SS Cyst pattern ... presentations - ILD ... DCLD #pulmonary #Algorithm