143 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Hypocomplementemic Urticarial ... - Urticaria and ... purpura: strong sign ... cryoglobulinemia, urticarial ... differential #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Butterfly rash, Vasculitis ... , Purpura, Urticaria ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... Hypocomplementemia: Urticarial ... Hypocomplementemic Urticarial ... maculopapular lesions, urticaria ... Differential #Diagnosis #Rheumatology
Diagnosis and Management of Hypocomplementemic Urticarial Vasculitis (HUV)

Diagnosis of HUV
1) Chronic urticaria 
2) Leukocytoclastic vasculitis 
3)
Hypocomplementemic Urticarial ... Vasculitis (HUV ... HUV 1) Chronic urticaria ... #Vasculitis #HUV ... Diagnosis #Management #Rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... 50% Cutaneous Vasculitis ... bullae, Ulceration, Urticaria ... - Anti-C1q (Urticarial ... #dermatology #rheumatology
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Hypocomplementemic Urticarial ... Vasculitis C1q ... Hypocomplementemic #Urticarial ... #Vasculitis #HUV ... Pathophysiology #Rheumatology
Cryoglobulinemia Vasculitis
#rheumatology #diagnosis #signs
Cryoglobulinemia Vasculitis ... #rheumatology ... #diagnosis #signs
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of Vasculitis ... Vasculitis of ... hypocomplementary urticarial ... vasculitis ... Vessels #Diagnosis #Rheumatology
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... by large vessel vasculitis ... medium vessel vasculitis ... and small vessel vasculitis ... #Diagnosis #Rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... Chronic spontaneous urticaria ... Chronic inducible urticarias ... .14674 #Cold #Urticaria ... #diagnosis #rheumatology