17 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... Organizing Pneumonia ... Organizing Pneumonia ... Unknown • 6-7 cases ... eosinophilia pneumonia
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
mainly seen in cryptogenic ... organizing pneumonia ... (COP), chronic eosinophilic ... pneumonia and UIP ... #Diagnosis #Radiology
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
On the left a case ... pneumonia. ... and an abnormal chest ... #Clinical #Radiology ... #CTChest #Eosinophilic
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
• Infectious Causes ... Non-Infectious Causes ... polyangiitis (Wegener), Eosinophilic ... granulomatosis, Cryptogenic ... organizing pneumonia
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
as a result of organizing ... pneumonia. ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... (NSIP), Cryptogenic ... organizing pneumonia ... polyangiitis, Eosinophilic ... syndrome) • Eosinophilic
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
in the former case ... pneumonia, but ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
On the left two cases ... organizing pneumonia ... pneumonia the HRCT ... this #Clinical #Radiology ... #CTChest #COP #
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
caused by streptococcus ... and chronic eosinophilic ... OP is organizing ... idiopathic it is called cryptogenic ... #Diagnosis #Radiology
Drug-induced organizing pneumonia is commonly caused by Bleomycin and Cyclophosphamide and other drugs like Methotrexate, Amiodarone,
caused by Bleomycin ... the same as in cryptogenic ... organizing pneumonia ... #Clinical #Radiology ... #CTChest #DrugInduced