19 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Urticaria and hypocomplementemia ... and branches • GCA ... against MPO • Complement ... #rheumatology #classification
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... #Diagnosis # ... IM #Rheum #Vasculitis ... #Vessel #Size #Classification ... #Differential #Algorithm
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... central nervous system ... disease - systemic ... #Diagnosis #Rheumatology ... #Diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Elevated ESR and CRP GCA ... develop in pts with GCA ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... (GCA), Takayasu's ... ANCA associated vasculitis ... (RA), Systemic ... #Differential #Diagnosis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Neurologic system ... Lyme disease, Vasculitis ... Genitourinary system ... Cardiovascular system ... #differential #diagnosis
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
arteritis (GCA) ... inflammatory vasculitis ... Diagnosis = clinical ... w/differential diagnosis ... = vasculitis vs
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... Labs/Diagnosis: ... • Low serum C4 complement ... disorder (e.g. systemic ... #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 ... Glomerulonephritis #Vasculitis ... #differential #diagnosis ... #algorithm #rheumatology
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
female, asian • Systemic ... PET-CT Imaging (→ Diagnostic ... rheumatoid factor), ± hypocomplementemia ... No necrosis, No vasculitis ... GC-dependency