MR regional perfusion imaging: Visualizing functional collateral circulation

C. C.T. Lim, E. T. Petersen, I. Ng, P. Y.K. Hwang, F. Hui, X. Golay

Research output: Contribution to journalArticlepeer-review

Abstract

We applied regional perfusion imaging (RPI), a new arterial spin-labeling MR imaging method that selectively studies regions of the brain perfused by individual carotid and basilar arteries. In a patient with cerebrovascular disease, RPI showed cerebral tissue perfused by pial collateral vessels, thereby demonstrating the relationship between anatomic and functional information, which was lacking in conventional x-ray angiography. RPI may be useful to study functional collateral circulation and hence guide therapy in ischemic disease.

Original languageEnglish (US)
Pages (from-to)447-448
Number of pages2
JournalAmerican Journal of Neuroradiology
Volume28
Issue number3
StatePublished - Mar 1 2007

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology

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