11 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... antibody), dsDNA ... Polymerase Ill • ANCA Vasculitis ... #diagnosis #associations
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
) • Systemic lupus ... ANCA-Associated Vasculitis ... Renal-limited vasculitis ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... Anti-GBM = anti–glomerular ... antineutrophil cytoplasmic antibody ... #Diagnosis #Rheumatology ... #Differential #
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Post-strep GN, Lupus ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm ... #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Antiphospholipid-antibody ... syndrome • Vasculitis ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(anti-C1q Vasculitis ... such as systemic lupus ... testes -> pain, infarct ... differential #diagnosis ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Diagnosis: • ANCA-associated ... Non-autoimmune rheumatologic ... Erythematosus #Diagnosis ... #Rheumatology
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Disease - Systemic Lupus ... ; Positive for anti-ganglioside ... antibody GQ1b) ... Rhombencephalitis #Differential ... #Diagnosis #Causes
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antibodies (ANA) ANA or Anti-NucIear ... Antibody refers ... , Drug-induced Lupus ... ANA #patterns #rheumatology ... #diagnosis #differential
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
nemaline myopathy • Anti ... Autoimmunity: • -MM/WM: Vasculitis ... to cold IgG • Lupus ... #Monoclonal #Differential ... #Diagnosis #Oncology