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Here are the most common examples of these four patterns on a chest x-ray (click image
Interstitial - ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Pulmonary hemorrhage ... filling of the alveoli ... this is nodular interstitial ... #Radiology #CXR
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
you think of the causes ... or tumor cells (Table ... and cause consolidation ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... Organizing Pneumonia - Clinical ... - Imaging: • CXR ... • HRCT: patchy consolidation ... Pneumonia #COP #BOOP #pulmonary
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... content of the alveoli ... lobar pneumonia caused ... #Diagnosis #Radiology ... #Pulmonary #CXR
Multifocal
Multifocal consolidations are also described as multifocal ill-defined opacities or densities.
In most cases these are the
ill-defined densities is interstitial ... disease, like in the alveolar ... and fill up the alveoli ... #Diagnosis #Radiology ... #CXR #Multifocal
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
) Day 2 - some pulmonary ... consolidations ... Progressing to diffuse alveolar ... #Clinical #Radiology ... #CXR #ChestXRay
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... bronchovascular interstitium ... #Clinical #Radiology ... #Pulmonary #CTChest ... Differential #Comparison #Table
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Patients • Diffuse Interstitial ... Influenza, Lymphocytic interstitial ... alveolar proteinosis ... complex • Nodular/Masses ... Sarcoma • Focal Consolidation
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... On a CXR the most ... seen and in many cases ... #Diagnosis #Radiology ... #Pulmonary #CXR