21 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity ... Sarcoidosis: nodules ... Hypersensitivity ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Granulomatous - Sarcoidosis ... Metastases to lung as nodules ... Hypersensitivity ... Diseases #ILD #Causes
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... Sarcoidosis: nodules ... Sarcoidosis: nodules ... #Clinical #Diagnosis ... Comparison #Table #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
case the chest ... demonstrated a fine nodular ... #Clinical #Radiology ... #Nodular #Interstitial ... #Pattern #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
interstitial opacities ... Nodule or mass ... - Multiple Masses ... Atelectasis #Diagnosis #Clinical ... Consolidation #Patterns #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 ... Other ILDs: • Sarcoidosis ... differential #pulmonary #causes
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
another typical case ... perilymphatic nodules ... #Clinical #Radiology ... Peribronchovascular #Nodular ... #RadiologyAssistant
Sarcoidosis
On a CXR sarcoidosis usually first presents with hilar and mediastinal lymphadenopathy (example).
Parenchymal disease can present
Sarcoidosis On a ... CXR sarcoidosis ... #Clinical #Radiology ... #Interstitial # ... #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
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
imaging findings in interstitial ... patterns: reticular, nodular ... appreciate on a cest ... seen and in many cases ... #Differential #RadiologyAssistant