8 results
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
small vessel vasculitis ... Large vessel vasculitis ... medium artery, small ... #Diagnosis #Rheumatology ... #Medium #Large
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Findings: • Small ... Urticaria • Medium ... Polyarteritis nodosa Large ... #dermatology #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
abnormalities SMALL ... + MPO-ANCA MEDIUM ... , arthritis LARGE ... : - Aorta and ... #rheumatology #
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
large vessels ... Inflammatory aortic aneurysms ... of medium vessels ... of small vessels ... #Rheumatology #
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Involves large and ... medium sized vessels ... those coming off aorta ... = vasculitis vs ... 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
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
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
multiple organs, small-vessel ... large-vessel vasculopathy ... Medium and large ... coronary artery aneurysms ... signs #symptoms #rheumatology