11 results
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... hematogenous spread of a disease ... Endemic fungi: Histo ... diagnosis #pulmonary ... #CXR #clinical
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
chronic heart disease ... infection, ARDS ... #Diagnosis #Radiology ... #Pulmonary #CXR ... RadiologyAssistant
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
: Diffuse alveolar ... , anti-CCP • CXR ... (diffuse infiltrates ... Bronchoscopy with serial ... #differential #
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Honeycombing Most diseases ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Table #RadiologyAssistant
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
• Nucleolar: Diffuse ... Lymphoproliferative Disorders, Infection ... , Interstitial Pulmonary ... #rheumatology # ... diagnosis #differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Chronic post-infection ... are so small and diffuse ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... confirm DAH, r/o infection ... • IF staining patterns ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... glomerulonephritis and/or pulmonary ... + MPO-ANCA MEDIUM ... to exclude are infections ... #diagnosis #rheumatology