Evidence map›Paper›PMID 29016833›Full record

ArticleNeuro-oncology2018

The impact of surgery in molecularly defined low-grade glioma: an integrated clinical, radiological, and molecular analysis.

Maarten M J Wijnenga, Pim J French, Hendrikus J Dubbink, Winand N M Dinjens, Peggy N Atmodimedjo, Johan M Kros, Marion Smits, Renske Gahrmann, Geert-Jan Rutten, Jeroen B Verheul and 4 more

Abstract read
In one paragraph

Article in Neuro-oncology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 210 papers, 8 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
210citing papers in PubMed, 8 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

210 citing papers in PubMed, 8 syntheses or guidelines pooled it.

  1. Guideline
  2. Pooled it
  3. Pooled it
  4. SEOM-GEINO clinical guidelines for grade 2 gliomas (2023).Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2024
    Guideline
  5. Pooled it
  6. Pooled it
  7. Pooled it
  8. Pooled it
  9. Trial
  10. Vorasidenib in IDH1- or IDH2-Mutant Low-Grade Glioma.The New England journal of medicine · 2023
    Trial
  11. Interactive Effects of Molecular, Therapeutic, and Patient Factors on Outcome of Diffuse Low-Grade Glioma.Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2023
    Trial
  12. Trial
  13. Article
  14. Article
  15. Review
  16. Article
  17. Review
  18. Contemporary surgical strategies for resection of intracranial gliomas.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026
    Review
  19. Article
  20. Article

150 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

14 authors.

Maarten M J WijnengaDepartment of Neurology, Erasmus University Medical Center (Erasmus MC) Cancer Institute, Rotterdam, the Netherlands.
Pim J FrenchDepartment of Neurology, Erasmus University Medical Center (Erasmus MC) Cancer Institute, Rotterdam, the Netherlands.
Hendrikus J DubbinkDepartment of Pathology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
Winand N M DinjensDepartment of Pathology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
Peggy N AtmodimedjoDepartment of Pathology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
Johan M KrosDepartment of Pathology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
Marion SmitsDepartment of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, the Netherlands.
Renske GahrmannDepartment of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, the Netherlands.
Geert-Jan RuttenDepartment of Neurosurgery, St Elisabeth Hospital, Tilburg, the Netherlands.
Jeroen B VerheulDepartment of Neurosurgery, St Elisabeth Hospital, Tilburg, the Netherlands.
Ruth FleischeuerDepartment of Pathology, St Elisabeth Hospital, Tilburg, the Netherlands.
Clemens M F DirvenDepartment of Neurosurgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
Arnaud J P E VincentDepartment of Neurosurgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
Martin J van den BentDepartment of Neurology, Erasmus University Medical Center (Erasmus MC) Cancer Institute, Rotterdam, the Netherlands.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Extensive resections in low-grade glioma (LGG) are associated with improved overall survival (OS). However, World Health Organization (WHO) classification of gliomas has been completely revised and is now predominantly based on molecular criteria. This requires reevaluation of the impact of surgery in molecularly defined LGG subtypes. Methods: We included 228 adults who underwent surgery since 2003 for a supratentorial LGG. Pre- and postoperative tumor volumes were assessed with semiautomatic software on T2-weighted images. Targeted next-generation sequencing was used to classify samples according to current WHO classification. Impact of postoperative volume on OS, corrected for molecular profile, was assessed using a Cox proportional hazards model. Results: Median follow-up was 5.79 years. In 39 (17.1%) histopathologically classified gliomas, the subtype was revised after molecular analysis. Complete resection was achieved in 35 patients (15.4%), and in 54 patients (23.7%) only small residue (0.1-5.0 cm3) remained. In multivariable analysis, postoperative volume was associated with OS, with a hazard ratio of 1.01 (95% CI: 1.002-1.02; P = 0.016) per cm3 increase in volume. The impact of postoperative volume was particularly strong in isocitrate dehydrogenase (IDH) mutated astrocytoma patients, where even very small postoperative volumes (0.1-5.0 cm) already negatively affected OS. Conclusion: Our data provide the necessary reevaluation of the impact of surgery in molecularly defined LGG and support maximal resection as first-line treatment for molecularly defined LGG. Importantly, in IDH mutated astrocytoma, even small postoperative volumes have negative impact on OS, which argues for a second-look operation in this subtype to remove minor residues if safely possible.

Indexed as

AdultAstrocytomaBrain NeoplasmsFemaleGliomaHumansIsocitrate DehydrogenaseMaleMiddle AgedNeoplasm GradingNeurosurgical ProceduresProportional Hazards ModelsTreatment OutcomeIsocitrate Dehydrogenaseextent of resectiongliomalow-grademolecular markerssurgery

Identifiers

PMID29016833
PMCPMC5761503

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.