31 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
Patients with OP ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia ... RheumatoidArthritis #ILD
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... ), Cryptogenic organizing ... pneumonia (COP) ... #causes
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 ... #CXR #Consolidation
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
in the former case ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia ... #ILD #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... consolidations of OP ... #COP #Cryptogenic ... #Organizing #Pneumonia ... #ILD #RadiologyAssistant
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest ... Bilateral Peripheral ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #radiology #CTChest
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... lymphoid interstitial pneumonia ... OP: organizing pneumonia ... ConnectiveTissueDiseases #ILD ... Comparison #Table #Pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic CP ... • Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... there is an ill-defined ... weight loss or long ... caused by Streptcoccus ... Clinical #Radiology #CXR