18 results
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
polyangiitis - Granulomatous ... destructive sinusitis, pulmonary ... Interstitial lung disease ... viruses. systemic lupus ... Vasculitides #vasculitis #differential
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Polymyositis-dermatomyositis, Lupus ... • Vasculitis: Granulomatosis ... , Eosinophilic granulomatosis ... ILD #diagnosis #differential ... #pulmonary #causes
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... - Summary Antinuclear ... #Systemic #Lupus ... #diagnosis #rheumatology ... #management
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... (Eosinophilic granulomatosis ... polyangiitis, Granulomatosis ... Complex: Systemic lupus ... Renal #Syndrome #differential
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
interstitial lung diseases ... SLE : systemic lupus ... CTILD #Diagnosis #Differential ... Comparison #Table #Pulmonary ... #Rheumatology #
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
- Differential ... Poor Prognosis Granulomatous ... characterized by granulomatous ... leaking out of pulmonary ... Arthritis, Systemic Lupus
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... Diagnosis and Management ... Summary • Epidemiology ... Evolution: Chronic disease ... #Summary #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
, Drug-induced Lupus ... , Drug-Induced Lupus ... , Interstitial Pulmonary ... ANA #patterns #rheumatology ... #diagnosis #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Syndromes - OnePager Summary ... (eosinophilic granulomatosis ... life-threatening diseases ... Inflammatory eye disease ... #diagnosis #management
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Post-strep GN, Lupus ... With associated pulmonary ... involvement: Anti-GBM Disease ... Glomerulonephritis #Vasculitis #differential ... diagnosis #algorithm #rheumatology