Evidence map›Paper›PMID 36814267›Full record

ArticleRadiation oncology (London, England)2023

Delineation of recurrent glioblastoma by whole brain spectroscopic magnetic resonance imaging.

Jonathan B Bell, William Jin, Mohammed Z Goryawala, Gregory A Azzam, Matthew C Abramowitz, Tejan Diwanji, Michael E Ivan, Maria Del Pilar Guillermo Prieto Eibl, Macarena I de la Fuente, Eric A Mellon

Abstract read
In one paragraph

Article in Radiation oncology (London, England), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  5. Auxiliary Value of [Cancers · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Jonathan B BellDepartment of Radiation Oncology, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, 1475 NW 12th Ave, Miami, FL, 33136, USA.
William JinDepartment of Radiation Oncology, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, 1475 NW 12th Ave, Miami, FL, 33136, USA.
Mohammed Z GoryawalaDepartment of Radiology, Miller School of Medicine, University of Miami, Miami, FL, USA.
Gregory A AzzamDepartment of Radiation Oncology, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, 1475 NW 12th Ave, Miami, FL, 33136, USA.
Matthew C AbramowitzDepartment of Radiation Oncology, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, 1475 NW 12th Ave, Miami, FL, 33136, USA.
Tejan DiwanjiDepartment of Radiation Oncology, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, 1475 NW 12th Ave, Miami, FL, 33136, USA.
Michael E IvanDepartment of Neurological Surgery, Miller School of Medicine, University of Miami, Miami, FL, USA.
Maria Del Pilar Guillermo Prieto EiblDepartment of Neurology and Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL, USA.
Macarena I de la FuenteDepartment of Neurology and Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL, USA.
Eric A MellonDepartment of Radiation Oncology, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, 1475 NW 12th Ave, Miami, FL, 33136, USA. eric.mellon@med.miami.edu.

Funding

Improved whole-brain spectroscopic MRI for radiation therapy planningU01CA264039 · NCI · EMORY UNIVERSITY · PI Lee Cooper, Eric Albert Mellon · 2022 to 2026
$3.1M
A Physiologic Adaptive Radiation Therapy Pipeline for Glioblastoma by Daily Multiparametric MRI and Machine LearningR37CA262510 · NCI · UNIVERSITY OF MIAMI SCHOOL OF MEDICINE · PI Eric Albert Mellon · 2022 to 2026
$2.8M
Multiparametric Volumetric MR Characterization of Intracranial LesionsR01CA172210 · NCI · UNIVERSITY OF MIAMI SCHOOL OF MEDICINE · PI MAUDSLEY, ANDREW A. · 2014 to 2018
$2.7M
NCI NIH HHS R01 CA172210NCI NIH HHS R01CA172210NCI NIH HHS R37 CA262510NCI NIH HHS R37CA262510NCI NIH HHS U01 CA264039NIBIB NIH HHS R01EB01606
6 · The paper itself

Abstract

backgroundGlioblastoma (GBM) cellularity correlates with whole brain spectroscopic MRI (sMRI) generated relative choline to N-Acetyl-Aspartate ratio (rChoNAA) mapping. In recurrent GBM (rGBM), tumor volume (TV) delineation is challenging and rChoNAA maps may assist with re-RT targeting.

methodsFourteen rGBM patients underwent sMRI in a prospective study. Whole brain sMRI was performed to generate rChoNAA maps. TVs were delineated by the union of rChoNAA ratio over 2 (rChoNAA > 2) on sMRI and T1PC. rChoNAA > 2 volumes were compared with multiparametric MRI sequences including T1PC, T2/FLAIR, diffusion-restriction on apparent diffusion coefficient (ADC) maps, and perfusion relative cerebral blood volume (rCBV).

resultsrChoNAA > 2 (mean 27.6 cc, range 6.6-79.1 cc) was different from other imaging modalities (P ≤ 0.05). Mean T1PC volumes were 10.7 cc (range 1.2-31.4 cc). The mean non-overlapping volume of rChoNAA > 2 and T1PC was 29.2 cm

conclusionsTreatment of rGBM may be optimized by sMRI, and failure patterns suggest benefit for dose-escalation within sMRI-delineated volumes. Dose-escalation and radiologic-pathologic studies are underway to confirm the utility of sMRI in rGBM.

Indexed as

Brain NeoplasmsGlioblastomaBrainDiffusion Magnetic Resonance ImagingHumansMagnetic Resonance ImagingProspective StudiesGlioblastomaRecurrent glioblastomaRe-irradiationSpectroscopic MRI

Identifiers

PMID36814267
PMCPMC9948314

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.