14 results
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... #Small #Medium ... #Vessel #Size #Classification ... #ANCA #Differential ... #Algorithm #Ddxof
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated ... Vasculitis A group ... of necrotizing, small-vessel ... vasculitis without ... immune complex
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Small vessel vasculitis ... although immune complex ... small vessel vasculitis ... basement membrane; ANCA ... Medium #Large #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
abnormalities SMALL ... tracts Immune Complex ... Vasculitis: + MPO-ANCA ... pain, infarct • Small ... #rheumatology #classification
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... of small vessels ... - ANCA-associated ... syndrome - Immune-complex-induced ... dermatomyositis #Size #Classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... immunofluorescence Immune Complex ... (C-ANCA): GPA > ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... Findings: • Small ... ulceration Small ... : • Immune Complex ... • ANCA Associated
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Leukocytoclastic Vasculitis ... (LCV), Immune complex ... cryoglobulins, IgA), ANCA ... associated small ... Differential #Diagnosis #vasculitis
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... Pathophysiology: ... trauma, infection, vasculitis ... process such as vasculiitis ... identified, other small
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
adhesion of IgA complexes ... Formation of immune complexes ... histopathologic term for small ... - Cutaneous small ... HenochScholeinPurpura #Pathophysiology