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Imaging practice in low-grade gliomas among European specialized centers and proposal for a minimum core of imaging.

Journal article
Authors Christian F Freyschlag
Sandro M Krieg
Johannes Kerschbaumer
Daniel Pinggera
Marie-Therese Forster
Dominik Cordier
Marco Rossi
Gabriele Miceli
Alexandre Roux
Andrés Reyes
Silvio Sarubbo
Anja Smits
Joanna Sierpowska
Pierre A Robe
Geert-Jan Rutten
Thomas Santarius
Tomasz Matys
Marc Zanello
Fabien Almairac
Lydiane Mondot
Asgeir Store Jakola
Maria Zetterling
Adrià Rofes
Gord von Campe
Remy Guillevin
Daniele Bagatto
Vincent Lubrano
Marion Rapp
John Goodden
Philip C De Witt Hamer
Johan Pallud
Lorenzo Bello
Claudius Thomé
Hugues Duffau
Emmanuel Mandonnet
Published in Journal of neuro-oncology
Volume 139
Issue 3
Pages 699–711
ISSN 1573-7373
Publication year 2018
Published at Institute of Neuroscience and Physiology, Department of Clinical Neuroscience
Pages 699–711
Language en
Keywords Low-grade glioma, Imaging in LGG, Minimal core of imaging, Response criteria
Subject categories Clinical Medicine


Imaging studies in diffuse low-grade gliomas (DLGG) vary across centers. In order to establish a minimal core of imaging necessary for further investigations and clinical trials in the field of DLGG, we aimed to establish the status quo within specialized European centers.An online survey composed of 46 items was sent out to members of the European Low-Grade Glioma Network, the European Association of Neurosurgical Societies, the German Society of Neurosurgery and the Austrian Society of Neurosurgery.A total of 128 fully completed surveys were received and analyzed. Most centers (n = 96, 75%) were academic and half of the centers (n = 64, 50%) adhered to a dedicated treatment program for DLGG. There were national differences regarding the sequences enclosed in MRI imaging and use of PET, however most included T1 (without and with contrast, 100%), T2 (100%) and TIRM or FLAIR (20, 98%). DWI is performed by 80% of centers and 61% of centers regularly performed PWI.A minimal core of imaging composed of T1 (w/wo contrast), T2, TIRM/FLAIR, PWI and DWI could be identified. All morphologic images should be obtained in a slice thickness of ≤ 3 mm. No common standard could be obtained regarding advanced MRI protocols and PET.We believe that our study makes a significant contribution to the literature because we were able to determine similarities in numerous aspects of LGG imaging. Using the proposed "minimal core of imaging" in clinical routine will facilitate future cooperative studies.

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