18 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... #Pulmonary #CTChest ... #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... small (1 -4 mm) nodules ... Endemic fungi: Histo ... #Chest #Radiology ... diagnosis #pulmonary
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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Honeycombing Most diseases ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
are diffuse and ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Nodular #Pattern ... #Differential #
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
: Diffuse alveolar ... allopurinol), Infection ... high resolution chest ... Bronchoscopy with serial ... #differential #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
• Nucleolar: Diffuse ... Lymphoproliferative Disorders, Infection ... , Interstitial Pulmonary ... #patterns #rheumatology ... #diagnosis #differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... : reticular, nodular ... #Diagnosis #Radiology ... #Pulmonary #CXR ... RadiologyAssistant
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... nodules, asthma ... confirm DAH, r/o infection ... • IF staining patterns ... #differential #
The distribution of nodules shown on HRCT is the most important factor in making an accurate
distribution In certain diseases ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Chronic post-infection ... granulomatous noduli ... diffuse that they ... #Pulmonary #CXR ... #RadiologyAssistant