5 results
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
small vessel vasculitis ... Medium vessel vasculitis ... Small vessel vasculitis ... left to right) aorta ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
abnormalities SMALL ... + MPO-ANCA MEDIUM ... and branches • GCA ... : - Aorta and ... #rheumatology #
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
Retroperitoneum and aorta ... concentration PET-CT ... false negative (small ... No necrosis, No vasculitis ... workup #treatment #rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Involves large and medium ... those coming off aorta ... = vasculitis vs ... in literature (NEJM ... them, but urgent rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
< 30 years • Aorta ... primary condition MEDIUM ... and infarcts SMALL ... Thrombosis and arterial aneurysms ... #Rheumatology