10 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
lupus erythematosus ... Vasculitis: • ... Microscopic polyangiitis ... vasculitis - MPO ... #rheumatology #
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Vasculitis of ... small vessels - ANCA-associated ... granulomatosis - microscopic ... lupus erythematosus ... #Rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
): • Microscopic ... : Systemic rheumatic ... as systemic lupus ... Dx: GPA, EGPA, microscopic ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence microscopy ... lupus erythematosus ... lupus erythematosus ... • Rheumatic Diseases ... #patterns #rheumatology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
vasculitis (Eosinophilic ... polyangiitis, Microscopic ... vasculitis, Behcet ... lupus erythematosus ... , Rheumatoid arthritis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
: • ANCA-associated ... vasculitis, rheumatoid ... • Mesenteric vasculitis ... inflammation Cutaneous Vasculitis ... #Diagnosis #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: • Systemic rheumatic ... diseases, such ... atherosclerotic disease ... )): Microscopic ... #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... DDX: • ANCA (Antineutrophil ... - GPA, EGPA, microscopic ... lupus erythematosus ... classification #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... polarized light microscopy ... lupus erythematosus ... #Disease #Rheumatoid ... #testing #Rheumatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
disease. ... Leukocytoclastic vasculitis ... ’s syndrome - Lupus ... : - Biopsy - Microscopic ... #dermatology #oncology