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Here are the most common examples of these four patterns on a chest x-ray (click image
Nodule or mass ... - Solitary Pulmonary ... Masses Atelectasis ... #Diagnosis #Clinical ... Consolidation #Patterns #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... leaking out of pulmonary ... Metastases to lung as nodules ... Hypersensitivity ... - Immunologic (hypersensitivity
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... Hypersensitivity ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
a.k.a. extrinsic allergic ... alveolitis): • Hypersensitivity ... ILD caused by inhalation ... • Idiopathic pulmonary ... #causes
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
patterns: reticular, nodular ... appreciate on a cest ... seen and in many cases ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Patients • Diffuse Interstitial ... Influenza, Lymphocytic interstitial ... pneumonitis, Abacavir hypersensitivity ... avium complex • Nodular ... /Masses: M.tuberculosis
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Pulmonary hemorrhage ... in fact this is nodular ... interstitial lung ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
distribution of nodules ... In most cases small ... peribronchovascular interstitium ... Diagnosis #Radiology #Pulmonary ... Comparison #Diagram #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung nodules ... fibrosis (CF) and allergic ... ABPA is a hypersensitivity ... #Clinical #Radiology ... Mucus #Plugging #RadiologyAssistant