[The SPECT demonstration of an improvement in cerebral perfusion in a female patient with Takayasu's disease following carotid revascularization].

Computed tomography and magnetic resonance imaging play an important role in the diagnosis of cerebrovascular disease, but only in the morphological aspect. To assess changes in cerebral perfusion are necessary functional images techniques such as positron emission tomography (PET) and single-photon emission computed tomography (SPECT). By these methods we can evaluate the cerebral hemodynamics to better understand the significance of chronic ischemia as a stroke risk factor for patients with carotid stenosis.