33 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
abnormalities SMALL ... Urticaria and hypocomplementemia ... pain, infarct • Small ... against MPO • Complement ... #rheumatology #classification
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... Urticarial Vasculitis ... Complex Formation - Complement ... Formation -> Vasculitis ... TerrierBen #Hypocomplementemic
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... Diagnosis #IM #Rheum #Vasculitis ... #Small #Medium ... #Vessel #Size #Classification
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... Cryoglobulinemic vasculitis ... - Associated with ... BrighamChiefs #Small ... #Vessel #Vasculitides
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
, and small vessel ... Small vessel vasculitis ... immune complex small ... #VesselSize #Small ... Medium #Large #Classification
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated ... of necrotizing, small-vessel ... Complement levels ... pattern (usually associated ... pattern (usually associated
Break down Vasculitis based on vessel size
#Diagnosis #Rheumatology #Differential #Vasculitis #VesselSize #Small #Medium #Large #Classification
Break down Vasculitis ... #Differential #Vasculitis ... #VesselSize #Small ... Medium #Large #Classification
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... Vasculitis Vasculitis ... of small vessels ... - ANCA-associated ... dermatomyositis #Size #Classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Low serum C4 complement ... cytoplasmic antibody) associated ... • Cutaneous small-vessel ... associated with ... diagnosis #types #classification
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
glomerulonephritis 90%: - ANCA Associated ... Vasculitis - Anti-GBM ... anti-GBM) 10%: - Low Complement ... - Normal Complement ... Renal Crisis, IgA Vasculitis