21 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
(COP) Cryptogenic ... • Secondary OP ... - Imaging: • CXR ... Anti-dsDNA, ANCA COP ... #COP #BOOP #pulmonary
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
arthritis and bilateral ... of organizing pneumonia ... Patients with OP ... Clinical #Radiology #CTChest ... #COP #Cryptogenic
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
(OP) and chronic ... OP is organizing ... called cryptogenic (COP ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
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
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... , COP, Chronic Eos ... Sarcoidosis, NSIP, COP ... Honeycombing: Idiopathic Pulmonary
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... also organizing pneumonia ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic CP ... • Pleuritic chest ... : • Chest pain ... Rhabdomyolysis (rare) Co-MRSA ... Infections #HIV #AIDS #pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... identified, Strep pneumoniae ... heart failure, COPD ... Evaluation: Imaging (CXR ... /- High res CT chest
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
adenocarcinoma in situ; COP ... ; OP, organising ... ; PZ, pulmonary ... with symmetrical bilateral ... #Diagnosis #Pulmonary
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... • Labs: CBC, cr ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest