9 results
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated ... Vasculitis A group ... , small-vessel vasculitis ... 100%, PR3+ 50%, frequently ... PR3 #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: ANCA Associated ... - ANCA specific ... Vasculitis: + MPO-ANCA ... differential #diagnosis #rheumatology ... #classification
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... by large vessel vasculitis ... basement membrane; ANCA ... #Diagnosis #Rheumatology ... Medium #Large #Classification
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... Vasculitis Vasculitis ... small vessels - ANCA-associated ... dermatomyositis #Size #Classification ... #Diagnosis #Rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... 50% Cutaneous Vasculitis ... • ANCA Associated ... #skin #dermatology ... #rheumatology #
Frequency of ANCA Positivity in Different Conditions
ANCA-Associated Vasculitis
 • GPA - PR3-ANCA 75%, MPO-ANCA 20%, 5%
Frequency of ANCA ... Vasculitis • ... Renal-limited vasculitis ... • Drug-induced vasculitis ... PR3 #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Ig A vasculitis ... Cryoglobulinemia (MIXED) • ANCA ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
DDX: • ANCA (Antineutrophil ... • Vasculitis ... diagnosis #types #classification ... #rheumatology # ... vasculitis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Skin Disease Classification ... vasculitis, rheumatoid ... Non-autoimmune rheumatologic ... • Mesenteric vasculitis ... Erythematosus #Diagnosis #Rheumatology