19 results
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
with rheumatoid arthritis ... and bilateral peripheral ... Patients with OP ... Clinical #Radiology #CTChest ... #COP #Cryptogenic
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... , COP, Chronic Eos ... Sarcoidosis, NSIP, COP
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
complained of arthritic ... multiple small bilateral ... also organizing pneumonia ... Clinical #Radiology #CTChest ... #COP #Cryptogenic
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
sclerosis, Rheumatoid arthritis ... (COP), Respiratory ... (DIP), Acute interstitial ... : Acute, Chronic ... ILD #diagnosis #differential
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
between acute consolidation ... - Chronic post-infection ... (OP) or chronic ... proteinaceous material ... Radiology #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 ... such as lymphoma, infection ... Clinical #Radiology #CTChest ... #COP #Cryptogenic
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
identified, Strep pneumoniae ... heart failure, COPD ... Evaluation: Imaging (CXR ... /- High res CT chest ... diagnosis #evaluation #differential
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
OP: organizing pneumonia ... AIP: acute interstitial ... pneumonia. ... RA: rheumatoid arthritis ... CTILD #Diagnosis #Differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
erythematosus, Rheumatoid arthritis ... allopurinol), Infection ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • Pleuritic CP ... Microsporidium #Lung #Infections ... AIDS #pulmonary #differential