17 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... allopurinol), Infection ... , anti-CCP • CXR ... Bronchoscopy with serial ... #differential #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
hematogenous spread of a disease ... Endemic fungi: Histo ... thyroid, melanoma, renal ... #diagnosis #pulmonary ... #CXR #clinical
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... interstitial lung disease ... Diagnosis #Radiology #Pulmonary ... #Pattern #Differential ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Honeycombing Most diseases ... Diagnosis #Radiology #Pulmonary ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... chronic heart disease ... infection, ARDS ... #CXR #Diffuse # ... #RadiologyAssistant
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
- HIV infection ... pulmonary disease ... and obstructive pattern ... mediastinitis, chronic renal ... Classification #Diagnosis #Differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... life-threatening diseases ... confirm DAH, r/o infection ... • IF staining patterns ... #differential #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
microscopy and serial ... Lymphoproliferative Disorders, Infection ... , Interstitial Pulmonary ... #rheumatology # ... diagnosis #differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Evaluation: Imaging (CXR ... Cryptococcal Ag, Urine Histo ... Diseases Fellows ... diagnosis #evaluation #differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant