8 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... bronchovascular interstitium ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #NodularPattern
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 ... Diagnosis #Radiology #Pulmonary ... #HRCT #NodularPattern
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
consolidation and GG pattern ... , cavities • HRCT ... eosinophilia pneumonia, Pulmonary ... #BOOP #pulmonary ... #ILD #diagnosis
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... Diagnosis #Radiology #Pulmonary ... #NodularPattern ... Differential #Comparison #Table
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
pneumonitis; HRCT ... tomography; UIP = usual interstitial ... #pneumonitis #pulmonary ... #diagnosis #algorithm ... #HP #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... of NSIP, UIP, OP ... Diagnosis #Radiology #Pulmonary ... IdiopathicInterstitialPneumonia #ILD
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Artery Disease • Stable ... • Asthma • COPD ... Interstitium ... • ILD • CHF
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 ... perilymphatic or random ... Diagnosis #Radiology #Pulmonary ... Interpretation #Algorithm ... #ILD #RadiologyAssistant