1586 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 ... Leukocytoclastic vasculitis ... #Vasculitis #HUV
Vasculitis Involving the Skin - Differential Diagnosis Framework

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

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Hypocomplementemic Urticarial ... Vasculitis C1q ... Formation -> Vasculitis ... Hypocomplementemic #Urticarial ... #Vasculitis #HUV
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... When to Consider Vasculitis ... Hypocomplementemic Urticarial ... - Urticaria and ... cryoglobulinemia, urticarial
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of Vasculitis ... Vasculitis of ... ANCA-associated vasculitis ... hypocomplementary urticarial ... vasculitis
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... Cryoglobulinemic vasculitis ... syndrome • IgA vasculitis ... Small #Vessel #Vasculitides ... #vasculitis #differential
Pathogenesis of ANCA-associated vasculitis

Dr. Muner Mohamed @MunerMohamed1 

#ANCA #vasculitis #pathophysiology #nephrology
ANCA-associated vasculitis ... MunerMohamed1 #ANCA #vasculitis ... pathophysiology #nephrology
Causes of Urticaria

Immunoglobulin E (IgE) mediated

 - Aeroallergens

 - Contact allergen

 - Food allergens

 - Insect
Causes of Urticaria ... Lymphoma - Vasculitis ... #Differential #Urticaria
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... Diagnosis #IM #Rheum #Vasculitis
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
Vasculitis: In this ... instance, the vasculitic ... Dermatology #SkinRash #Vasculitis