8 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
connective tissue disease ... Microscopic polyangiitis ... #ANCA #Antineutrophil ... antibodies #diagnosis #rheumatology ... #diseases
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
): • Microscopic ... (Granulomatous disease ... atherosclerotic disease ... Dx: GPA, EGPA, microscopic ... #rheumatology #
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
ANCA Associated ... : - Microscopic ... : • Behcet Disease ... #skin #dermatology ... #rheumatology #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
presentation of the disease ... GPA causes disease ... Polyarteritis nodosa • Microscopic ... Polyangiitis #GPA #dermatology ... #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... atherosclerotic disease ... most important diseases ... )): Microscopic ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Diagnosis: • ANCA-associated ... Still disease, ... Malignancy (e.g. hematologic ... vein thrombosis Hematologic ... Erythematosus #Diagnosis #Rheumatology
Cryoglobulinemia Summary

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

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Studies in Rheumatic Diseases ... polarized light microscopy ... ACE level, CXR, ANCA ... diagnosis #testing #Rheumatology