MR perfusion weighted imaging

Dr Henry Knipe and A.Prof Frank Gaillard et al.

Perfusion weighted imaging is a term used to denote a variety of MRI techniques able to give insights into the perfusion of tissues by blood. 

There are three techniques in wide use to derive one or more perfusion values: 

The main role of perfusion imaging is in evaluation of ischaemic conditions (e.g. acute cerebral infarction to determine ischaemic penumbra, moya-moya disease to identify vascular reserve), neoplasms (e.g. identify highest grade component of diffuse astrocytomas, help distinguish glioblastomas from cerebral metastases) and neurodegenerative diseases. 

Physics and Imaging Technology: MRI
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Article information

rID: 31014
Section: Physics
Synonyms or Alternate Spellings:
  • MR perfusion
  • MRP
  • PWI

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