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. 2020 Nov 23;20(1):123.
doi: 10.1186/s12880-020-00522-y.

SPectroscOpic prediction of bRain Tumours (SPORT): study protocol of a prospective imaging trial

Pamela Franco  1   2 , Urs Würtemberger  3   4 , Karam Dacca  4 , Irene Hübschle  4 , Jürgen Beck  5   4 , Oliver Schnell  5   4 , Irina Mader  6   4 , Harald Binder  4   7 , Horst Urbach  3   4 , Dieter Henrik Heiland  5   4
Affiliations

SPectroscOpic prediction of bRain Tumours (SPORT): study protocol of a prospective imaging trial

Pamela Franco et al. BMC Med Imaging. .

Abstract

Background: The revised 2016 WHO-Classification of CNS-tumours now integrates molecular information of glial brain tumours for accurate diagnosis as well as for the development of targeted therapies. In this prospective study, our aim is to investigate the predictive value of MR-spectroscopy in order to establish a solid preoperative molecular stratification algorithm of these tumours. We will process a 1H MR-spectroscopy sequence within a radiomics analytics pipeline.

Methods: Patients treated at our institution with WHO-Grade II, III and IV gliomas will receive preoperative anatomical (T2- and T1-weighted imaging with and without contrast enhancement) and proton MR spectroscopy (MRS) by using chemical shift imaging (MRS) (5 × 5 × 15 mm3 voxel size). Tumour regions will be segmented and co-registered to corresponding spectroscopic voxels. Raw signals will be processed by a deep-learning approach for identifying patterns in metabolic data that provides information with respect to the histological diagnosis as well patient characteristics obtained and genomic data such as target sequencing and transcriptional data.

Discussion: By imaging the metabolic profile of a glioma using a customized chemical shift 1H MR spectroscopy sequence and by processing the metabolic profiles with a machine learning tool we intend to non-invasively uncover the genetic signature of gliomas. This work-up will support surgical and oncological decisions to improve personalized tumour treatment.

Trial registration: This study was initially registered under another name and was later retrospectively registered under the current name at the German Clinical Trials Register (DRKS) under DRKS00019855.

Keywords: 1H-MRS; Chemical chift imaging; MR spectroscopy; MRI; MRS; Magnetic resonance spectroscopy; Neuroradiology; Neurosurgery; Radiogenomics.

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Conflict of interest statement

The authors declare they have no competing interests.

Figures

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Fig. 1
Concept of study design
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Participant timeline
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