15 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... - Imaging: • CXR ... Anti-dsDNA, ANCA COP ... #COP #BOOP #pulmonary ... #ILD #diagnosis
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 ... (COP), Respiratory ... #diagnosis #differential ... #pulmonary #causes
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... (OP) and chronic ... OP is organizing ... (COP). ... #Pulmonary #CXR
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... consolidations of OP ... carcinoma, the diagnosis ... #COP #Cryptogenic ... #ILD #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
in the former case ... also organizing pneumonia ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #ILD #RadiologyAssistant
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Dyspnea - Differential ... Diagnosis Algorithm ... • Effusion • Cardiac ... Pulmonary Alveoli • Pneumonia ... Interstitium • ILD
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
On the left two cases ... The final diagnosis ... (COP). ... Clinical #Radiology #CTChest ... #COP #Cryptogenic
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... idiopathic or cryptogenic ... of NSIP, UIP, OP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Diagnosis Framework ... • Pleuritic CP ... AIDS #pulmonary #differential ... #diagnosis #infectiousdiseases
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
masses. ... dealing with the differential ... diagnosis of chronic ... (OP) also known ... Clinical #Radiology #CXR