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Here are the most common examples of these four patterns on a chest x-ray (click image
interstitial opacities - Fine ... mass - Solitary Pulmonary ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis: ill ... bronchiolitis: ill ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
or multifocal ill-defined ... parenchyma resulting in fine ... . 3- Nodule or mass ... #Diagnosis #Radiology ... Consolidation #Patterns #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
nodules. ... can suggest the diagnosis ... in the proper clinical ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... edema: bilateral ... , superimposed inter ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Study the CXR of a 70-year old male who fell from the stairs and has severe
CXR of a 70-year old ... of the little finger ... What is your diagnosis ... #Clinical #Radiology ... #Atelectasis #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
Pulmonary hemorrhage ... in fact this is nodular ... #Clinical #Diagnosis ... #Radiology #CXR ... Consolidation #Causes #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
granulomatous noduli ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
findings in OP - Bilateral ... carcinoma, the diagnosis ... #Clinical #Radiology ... Organizing #Pneumonia #ILD ... #RadiologyAssistant
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... - Bilateral ... nodules ... the ARDS: - Mild ... Definition #Criteria #Diagnosis