Imaging of the ischemic penumbra in acute stroke.
One of the main reasons for the soaring interest in acute ischemic stroke among radiologists is the advent of new magnetic resonance techniques such as diffusion-weighted imaging. This new modality has prompted us to seek a better understanding of the pathophysiologic mechanisms of cerebral ischemia/infarction. The ischemic penumbra is an important concept and tissue region because this is the target of various recanalization treatments during the acute phase of stroke. In this context, it is high time for a thorough review of the concept, especially from the imaging point of view.
Lee
Deok Hee
DH
Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. dhlee@amc.seoul.kr
Kang
Dong-Wha
DW
Ahn
Jae Sung
JS
Choi
Choong Gon
CG
Kim
Sang Joon
SJ
Suh
Dae Chul
DC
D001921:Brain / Q000000981:diagnostic imaging; D006801:Humans; D008279:Magnetic Resonance Imaging; D020521:Stroke / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed