13
Vascular changes identified on imaging studies
Escalate
immunosuppression
Escalate
immunosuppression
Continue treatment
and monitoring
Consider surgical
intervention
Continue treatment
and monitoring
Inflammation (e.g.,
stenosis or vessel wall
thickening) in new vascular
territory
Progression of existing
vascular lesions
Symptomatic and/
or findings of active
disease on imaging
a
Asymptomatic
without findings of
active disease on
imaging
a
Progressive
ischemia
YES NO
a
Can be suggested by vascular edema, contrast enhancement, and/or increased wall thickness on
MR or CT angiography, or supra-physiologic FDG uptake in the arterial wall on PET imaging.
