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7T Epilepsy Task Force Consensus Recommendations on the Use of 7T MRI in Clinical Practice

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  • Giske Opheim
  • Anja van der Kolk
  • Karin Markenroth Bloch
  • Albert J Colon
  • Kathryn A Davis
  • Thomas R Henry
  • Jacobus F A Jansen
  • Stephen E Jones
  • Jullie W Pan
  • Karl Rössler
  • Joel M Stein
  • Maria C Strandberg
  • Siegfried Trattnig
  • Pierre-Francois Van de Moortele
  • Maria Isabel Vargas
  • Irene Wang
  • Fabrice Bartolomei
  • Neda Bernasconi
  • Andrea Bernasconi
  • Boris Bernhardt
  • Isabella Björkman-Burtscher
  • Mirco Cosottini
  • Sandhitsu R Das
  • Lucie Hertz-Pannier
  • Sara Inati
  • Michael T Jurkiewicz
  • Ali R Khan
  • Shuli Liang
  • Ruoyun Emily Ma
  • Srinivasan Mukundan
  • Heath Pardoe
  • Lars H Pinborg
  • Jonathan R Polimeni
  • Jean-Philippe Ranjeva
  • Esther Steijvers
  • Steven Stufflebeam
  • Tim J Veersema
  • Alexandre Vignaud
  • Natalie Voets
  • Serge Vulliemoz
  • Christopher J Wiggins
  • Rong Xue
  • Renzo Guerrini
  • Maxime Guye
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Identifying a structural brain lesion on MRI has important implications in epilepsy and is the most important factor that correlates with seizure freedom after surgery in patients with drug-resistant focal onset epilepsy. However, at conventional magnetic field strengths (1.5 and 3T), only approximately 60%-85% of MRI examinations reveal such lesions. Over the last decade, studies have demonstrated the added value of 7T MRI in patients with and without known epileptogenic lesions from 1.5 and/or 3T. However, translation of 7T MRI to clinical practice is still challenging, particularly in centers new to 7T, and there is a need for practical recommendations on targeted use of 7T MRI in the clinical management of patients with epilepsy. The 7T Epilepsy Task Force-an international group representing 21 7T MRI centers with experience from scanning over 2,000 patients with epilepsy-would hereby like to share its experience with the neurology community regarding the appropriate clinical indications, patient selection and preparation, acquisition protocols and setup, technical challenges, and radiologic guidelines for 7T MRI in patients with epilepsy. This article mainly addresses structural imaging; in addition, it presents multiple nonstructural MRI techniques that benefit from 7T and hold promise as future directions in epilepsy. Answering to the increased availability of 7T MRI as an approved tool for diagnostic purposes, this article aims to provide guidance on clinical 7T MRI epilepsy management by giving recommendations on referral, suitable 7T MRI protocols, and image interpretation.

Original languageEnglish
JournalNeurology
Volume96
Issue number7
Pages (from-to)327-341
Number of pages15
ISSN0028-3878
DOIs
Publication statusPublished - 16 Feb 2021

    Research areas

  • Brain/diagnostic imaging, Consensus, Epilepsy/diagnostic imaging, Humans, Magnetic Resonance Imaging

ID: 65952978