14 results
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... #Small #Medium ... Large #Vessel #Size ... #Classification ... #Differential #Algorithm
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... infiltrate the tissue site ... Activation of complement ... histopathologic term for small ... - Cutaneous small
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
based on vessel size ... , and small vessel ... can affect any size ... Small vessel vasculitis ... Medium #Large #Classification
Break down Vasculitis based on vessel size
#Diagnosis #Rheumatology #Differential #Vasculitis #VesselSize #Small #Medium #Large #Classification
Break down Vasculitis ... based on vessel size ... #Differential #Vasculitis ... #VesselSize #Small ... Medium #Large #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
abnormalities SMALL ... Schonlein Purpura (IgA ... Findings by Vessel Size ... against MPO • Complement ... #rheumatology #classification
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... involvement of small ... vessels (medium-sized ... : SLE +++ • IgA ... vasculitis (10%
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Cryoglobulins are Igs ... • Low serum C4 complement ... • IgA vasculitis ... • Cutaneous small-vessel ... diagnosis #types #classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... : IgA nephropathy ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... Vasculitis Vasculitis ... of small vessels ... dermatomyositis #Size ... #Classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
and infarcts SMALL ... Schonlein Purpura (IgA ... , IgA (cmpkx deposits ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic