540 results
Diagnosis and Management of Hypocomplementemic Urticarial Vasculitis (HUV)

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

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... bullae, Ulceration, Urticaria ... - Anti-C1q (Urticarial ... #dermatology #rheumatology ... #differential #diagnosis
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Vasculitis of ... hypocomplementary urticarial ... #Vessels #Diagnosis ... #Rheumatology # ... Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... - Urticaria and ... Differential Diagnosis ... 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 ... signs #symptoms #diagnosis ... #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... Hypocomplementemic Urticarial ... #Differential #Diagnosis ... #Rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
gangrenosum) • Urticaria ... Differential Diagnosis ... : Vasculitis: ... dermatology #rash #diagnosis ... #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
Break down Vasculitis based on vessel size
#Diagnosis #Rheumatology #Differential #Vasculitis #VesselSize #Small #Medium #Large #Classification
Break down Vasculitis ... vessel size #Diagnosis ... #Rheumatology # ... Differential #Vasculitis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... Disorientation, vertigo Diagnostic ... Chronic inducible urticarias ... .14674 #Cold #Urticaria ... #diagnosis #rheumatology