38 results
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
the Skin - Differential ... bullae, Ulceration, Urticaria ... - Anti-C1q (Urticarial ... #dermatology #rheumatology ... #differential #
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
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... Hypocomplementemic Urticarial ... - Urticaria and ... differential #diagnosis ... #rheumatology #
Break down Vasculitis based on vessel size
#Diagnosis #Rheumatology #Differential #Vasculitis #VesselSize #Small #Medium #Large #Classification
Break down Vasculitis ... size #Diagnosis #Rheumatology ... #Differential # ... Vasculitis #VesselSize
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 ... #Diagnosis #Rheumatology ... #Differential #
Causes of Urticaria

Immunoglobulin E (IgE) mediated

 - Aeroallergens

 - Contact allergen

 - Food allergens

 - Insect
Causes of Urticaria ... Lymphoma - Vasculitis ... #Diagnosis #Differential ... #Urticaria #IgE
Diagnosis and management of Polyarteritis Nodosa (PAN)

Chapel Hill 2012 definition: 
Necrotizing vasculitis ofmedium or small arteries
Necrotizing vasculitis ... glomerulonephritis or vasculitis ... involvement French Vasculitis ... PolyarteritisNodosa #Rheumatology ... #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... Hypocomplementemic Urticarial ... #Differential # ... Diagnosis #Rheumatology