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Here are the most common examples of these four patterns on a chest x-ray (click image
interstitial opacities ... Nodule or mass ... - Multiple Masses ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
In most cases small ... peribronchovascular interstitium ... #Diagnosis #Radiology ... Perilymphatic #Comparison #Diagram ... #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
demonstrated a fine nodular ... #Clinical #Radiology ... #Sarcoidosis #Nodular ... #Interstitial # ... Pattern #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
imaging findings in interstitial ... patterns: reticular, nodular ... seen and in many cases ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Sarcoidosis
On a CXR sarcoidosis usually first presents with hilar and mediastinal lymphadenopathy (example).
Parenchymal disease can present
Here a typical case ... When these small nodules ... #Clinical #Radiology ... #Interstitial # ... #Sarcoidosis #RadiologyAssistant
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
fluid into the interstitium ... pulmonary disease and causes ... #Diagnosis #Radiology ... #Findings #Diagram ... #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung nodules ... with asthma or CF ... bronchial obstruction caused ... #Clinical #Radiology ... Mucus #Plugging #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... in fact this is nodular ... interstitial lung ... Clinical #Diagnosis #Radiology ... #RadiologyAssistant
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
multiplex • GI tract: Abdominal ... Cerebrospinal fluid (CSF ... tract, and often causes ... gut involvement, abdominal ... inflammatory lesions - interstitial
Key findings in alveolar proteinosis
- Crazy paving pattern: reticular pattern superimposed on ground glass opacification.
- Opacifications
interlobular and intra-lobular ... This is caused by ... transported to the interstitium ... #Clinical #Radiology ... #CrazyPaving #RadiologyAssistant