13 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Associations ANA ... La) - Sjogren's syndrome ... c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... #diagnosis #table
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... ANCA-positive vasculitis ... ANCA-negative vasculitis ... , anti-GBM ab, ANA ... #differential #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... : • Behçet Syndrome ... • Cogan Syndrome ... Differential Diagnosis ... LFT • ESR • ANA
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... cases • Sjögren syndrome ... ANCA-Associated Vasculitis ... Renal-limited vasculitis ... Antineutrophil #antibodies #diagnosis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... panuveitis, retinal vasculitis ... ) Differential Diagnosis ... Glucocorticoids 5-ASA ... #diagnosis #management
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
endothelial injury and end-organ ... Hyperviscosity Syndrome ... • Autoimmune diseases ... Labs/Diagnosis: ... Cryoglobulins #diagnosis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... polymorphisms alter ... galactose-deficient IgA1 (GD-IgA1 ... nephrotic/nephritic syndrome ... Pathophysiology #Diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal Syndromes ... Autoimmune ANCA vasculitis ... life-threatening diseases ... Inflammatory eye disease ... palpable purpura 2/2 vasculitis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... ANCA-associated vasculitis ... • Mesenteric vasculitis ... inflammation Cutaneous Vasculitis ... Erythematosus #Diagnosis
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... Coarctation of aorta, Vasculitis ... Renal parenchymal disease ... White-coat syndrome ... #Differential #Diagnosis