RESUMEN

In six young, healthy volunteers, a novel method to determine cerebral blood flow (CBF) using magnetic resonance (MR) bolus tracking was compared with [(15)O]H2O positron emission tomography (PET). The method yielded parametric CBF images with tissue contrast in good agreement with parametric PET CBF images. Introducing a common conversion factor, MR CBF values could be converted into absolute flow rates, allowing comparison of CBF values among normal subjects.

Asunto(s)

Circulación Cerebrovascular/fisiología , Imagen por Resonancia Magnética , Tomografía Computarizada de Emisión/métodos , Adulto , Femenino , Humanos , Masculino , Radioisótopos de Oxígeno , Valores de Referencia , Agua/metabolismo