10 results
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... organizing pneumonia (COP ... COP. ... Radiology #HRCT #CTChest ... #Comparison #Table
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia (COP ... - Imaging: • CXR ... consolidation and GG pattern ... Anti-dsDNA, ANCA COP ... #BOOP #pulmonary
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... On a Chest X-Ray ... on a CXR. ... Diagnosis #Radiology #Pulmonary ... #CXR #Interstitial
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
organizing pneumonia (OP ... OP is organizing ... called cryptogenic (COP ... The old name is BOOP ... #CXR #Consolidation
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial ... OP: organizing pneumonia ... AIP: acute interstitial ... #Differential #Comparison ... #Table #Pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... Hypersensitivity Pneumonia, COP ... Sarcoidosis, NSIP, COP ... #CT #Patterns #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... of NSIP, UIP, OP ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... heart failure, COPD ... Lymphocytic or lymphoid interstitial ... Evaluation: Imaging (CXR ... /- High res CT chest
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Pulmonary hemorrhage ... Organizing pneumonia (OP ... this is nodular interstitial ... Diagnosis #Radiology #CXR
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... peribronchovascular interstitium ... Radiology #HRCT #CTChest ... #Comparison #Table