11 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... consolidation and GG pattern ... Pulmonary lymphoma, Diffuse ... #ILD #diagnosis
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
consolidation, is to look ... lobar pneumonia caused ... OP is organizing ... called cryptogenic (COP ... Radiology #Pulmonary #CXR
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... Nodule - Multiple Masses ... Clinical #Radiology #CXR ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
masses. ... pneumonia (OP) ... Clinical #Radiology #CXR ... #Distribution #Organizing ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... the following: - Look ... bronchovascular interstitium ... the nodules are diffuse ... #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
resulting in lobar, diffuse ... or multifocal ill-defined ... opacities. 2- Interstitial ... Diagnosis #Radiology #CXR ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... of NSIP, UIP, OP ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
Organizing pneumonia ... (OP) - multiple ... this is nodular interstitial ... Diagnosis #Radiology #CXR ... #RadiologyAssistant
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
eosinophilic pneumonia, organizing ... pneumonitis, organizing ... • Patchy or diffuse ... Exclusion of other ILDs ... LDH • ↑ ESR, CRP
Multifocal
Multifocal consolidations are also described as multifocal ill-defined opacities or densities.
In most cases these are the
In most cases these ... to segmental, diffuse ... densities is interstitial ... Diagnosis #Radiology #CXR ... #Differential #RadiologyAssistant