Computed tomography (CT) perfusion is extremely useful and accurate in assessing early ischemic changes in the brain. It is therefore accepted in most emergency departments worldwide as the method of choice for investigating patients with suspected stroke. In other body areas, CT perfusion is still a research tool that is promising although limited by technical factors.
Regarding the liver, attempts have been made to apply CT perfusion in the characterization of focal liver lesions and in their follow-up after treatment. A rapid communication, published in the October 2008 issue of the World Journal of Gastroenterology [ 1 ], reported that CT perfusion can be used to assess changes in tumor perfusion after transarterial chemoembolization (TACE).