Advanced MRI Protocols to Discriminate Glioma From Treatment Effects: State of the Art and Future Directions

Dania G. Malik, Tanya J. Rath, Javier C. Urcuyo Acevedo, Peter D. Canoll, Kristin Swanson, Jerrold L. Boxerman, C. Chad Quarles, Kathleen M. Schmainda, Terry C. Burns, Leland S. Hu

Research output: Contribution to journalReview articlepeer-review

Abstract

In the follow-up treatment of high-grade gliomas (HGGs), differentiating true tumor progression from treatment-related effects, such as pseudoprogression and radiation necrosis, presents an ongoing clinical challenge. Conventional MRI with and without intravenous contrast serves as the clinical benchmark for the posttreatment surveillance imaging of HGG. However, many advanced imaging techniques have shown promise in helping better delineate the findings in indeterminate scenarios, as posttreatment effects can often mimic true tumor progression on conventional imaging. These challenges are further confounded by the histologic admixture that can commonly occur between tumor growth and treatment-related effects within the posttreatment bed. This review discusses the current practices in the surveillance imaging of HGG and the role of advanced imaging techniques, including perfusion MRI and metabolic MRI.

Original languageEnglish (US)
Article number809373
JournalFrontiers in Radiology
Volume2
DOIs
StatePublished - 2022

Keywords

  • advanced
  • glioblastoma
  • metabolic
  • MRI
  • perfusion
  • post-treatment
  • response assessment

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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