32 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... • Secondary OP ... : • CXR: Peripheral ... Anti-dsDNA, ANCA COP ... #Pneumonia #COP
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
arthritis and bilateral ... Patients with OP ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
caused by streptococcus ... pneumonia (OP) ... OP is organizing ... called cryptogenic (COP ... Radiology #Pulmonary #CXR
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 ... Pulmonary #HRCT #ChestCT ... #Differential #
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... in the former case ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... consolidations of OP ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... ), Cryptogenic organizing ... pneumonia (COP) ... ILD #diagnosis #differential ... #pulmonary #causes
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... diseases like organizing ... pneumonia (OP) ... proteinaceous material ... Radiology #Pulmonary #CXR
Causes of Acute Pediatric Cough - Differential Diagnosis Algorithm
No Fever, No Tachypnea
 - Normal Chest Auscultation
Causes of Acute ... Pediatric Cough - Differential ... Tachypnea - Normal Chest ... • Bacterial pneumonia ... Atypical or viral pneumonia
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma in situ; COP ... , cryptogenic organising ... ; OP, organising ... with symmetrical bilateral