66 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Hypocomplementemic Urticarial Vasculitis ... antibiody -> Immune ... cells -> Incr Immune ... Formation -> Vasculitis ... Hypocomplementemic #Urticarial #Vasculitis
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 ... affected, although immune
Summary Table of Paraneoplastic Syndromes

#Diagnosis #Oncology #Paraneoplastic #Syndromes #Table
Summary Table of ... #Diagnosis #Oncology ... Paraneoplastic #Syndromes #Table
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... 50% Cutaneous Vasculitis ... Leukocytoclastic Vasculitis ... : • Immune Complex ... Vasculitis: -
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated Vasculitis ... , small-vessel vasculitis ... without immune ... to the lack of immune ... ANCA #Associated #Vasculitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... When to Consider Vasculitis ... Necrotizing, pauci-immune ... respiratory tracts Immune ... Complex Vasculitis
ANCA Vasculitis - GPA, MPA, Eosinophilic GPA

doi:10.1038/s41572-020-0204-y

#ANCA #Vasculitis #GPA #MPA #Eosinophilic #rheumatology #diagnosis #comparison #table
ANCA Vasculitis ... 0204-y #ANCA #Vasculitis ... diagnosis #comparison #table
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of Vasculitis ... Vasculitis of ... ANCA-associated vasculitis ... syndrome - Immune-complex-induced ... vasculitis
Diagnosis of Cryoglobulinemia Vasculitis

1) Presence of cryoglobulin 
Circulating immunoglobulins that precipitate with cold temperature and dissolve
Cryoglobulinemia Vasculitis ... 3 types 2) Vasculitis ... with cryoglobulin immune ... Vascular occlusion >> vasculitis ... Cryoglobulinemia #Vasculitis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
can activate the immune ... the deposit of immune ... Immune-Mediated ... • IgA vasculitis ... • Vasculitis