11 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 ... #Nodules #Differential
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... Miliary TB: random ... Clinical #Radiology #HRCT ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... pattern. ... In most cases small ... peribronchovascular interstitium ... Nodules are randomly
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... reticular, nodular ... low attenuation (table ... seen and in many cases ... #Pattern #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Miliary TB: random ... #Pattern #NodularPattern ... #Differential # ... Comparison #Table
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Diagnosis Algorithm ... Metastases to lung as nodules ... Lung #Diseases #ILD ... #Causes #Differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... morphologic findings on HRCT ... IdiopathicInterstitialPneumonia #ILD
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... perilymphatic or random ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... irregular lines, nodular ... , cavities • HRCT ... BOOP #pulmonary #ILD
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Dyspnea - Differential ... Diagnosis Algorithm ... Neoplasm Pulmonary Interstitium ... • ILD • CHF ... #Causes