74 results
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
adenocarcinoma in situ; COP ... , cryptogenic organising ... pneumonia; LPA, ... ; OP, organising ... #Differential #Algorithm
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... Pneumonia (COP) ... • Secondary OP ... Anti-dsDNA, ANCA COP ... #Pneumonia #COP
Cryptogenic Organizing Pneumonia (COP) - Summary

Andrew Sanchez M.D. @ASanchez_PS

#Cryptogenic #Organizing #Pneumonia #COP #pulmonary #diagnosis
Cryptogenic Organizing ... Pneumonia (COP) ... #Cryptogenic #Organizing ... #Pneumonia #COP
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
as a result of organizing ... pneumonia. ... Radiology #CTChest #COP ... #Cryptogenic #Organizing ... #Pneumonia #RheumatoidArthritis
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
in cryptogenic organizing ... pneumonia (COP) ... chronic eosinophilic pneumonia
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
H. influenzae (COPD ... Moraxella catarrhalis (COPD ... Pseudomonas — COPD ... Legionella spp (COPD ... (COPD, smoking)
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Other examples are organizing ... pneumonia (OP) ... OP is organizing ... called cryptogenic (COP ... Bronchiolitis Obliterans Organizing
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing ... pneumonia (COP) ... COP.
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
this was also organizing ... pneumonia, but ... Radiology #CTChest #COP ... #Cryptogenic #Organizing ... #Pneumonia #ILD
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Idiopathic Interstitial Pneumonias ... ), Cryptogenic organizing ... pneumonia (COP) ... Acute interstitial pneumonia ... • Eosinophilic pneumonia