6 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Lupus (SLE): ... ANA (anti-nuclear ... others (RNP, aPL antibodies ... Vasculitis: P-ANCA ... #diagnosis #associations
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... Purpura Anti-GBM antibodies ... Glomerulonephritis #Vasculitis ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... rapidly progressing GN ... such as systemic lupus ... ) pattern: antibodies ... #rheumatology #
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Autoimmunity: • -MM/WM: Vasculitis ... Hypergammaglobulinemic macular Vasculitis ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Monoclonal #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
findings (ANA, ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... 1, SCL-70, RNP antibodies ... anticardiolipin antibodies
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Infection - Vasculitis ... (lupus, RA, Sjogren's ... for hepatitis B and ... #dermatology #physicalexam