Evidence map›Paper›PMID 34926303›Full record

SynthesisFrontiers in oncology2021

Postoperative Adjuvant Radiotherapy in Atypical Meningioma Patients: A Meta-Analysis Study.

Dengpan Song, Dingkang Xu, Hongjie Han, Qiang Gao, Mingchu Zhang, Fang Wang, Guoqing Wang, Fuyou Guo

Open access · goldAbstract readSystematic Review
In one paragraph

Synthesis in Frontiers in oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.9field-weighted citation impact, top 8% of its field
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

15 citing papers in PubMed, 27 citations in OpenAlex.

  1. Article
  2. Article
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  4. Article
  5. Advancements in the application of MRI radiomics in meningioma.Radiation oncology (London, England) · 2025
    Review
  6. Article
  7. Article
  8. Article
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  11. Article
  12. Review
  13. Article
  14. Radiotherapy for meningiomas.Journal of neuro-oncology · 2022
    Review
  15. Article
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

8 authors at 2 institutions in 1 country.

Dengpan SongDepartment of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Dingkang XuDepartment of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Hongjie HanDepartment of Neurosurgery, Pingdingshan Second People's Hospital, Pingdingshan, China.
Qiang GaoDepartment of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Mingchu ZhangDepartment of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Fang WangDepartment of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Guoqing WangDepartment of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Fuyou GuoDepartment of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
First Affiliated Hospital of Zhengzhou University · CNPingdingshan University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeConsensus regarding the need for adjuvant radiotherapy (RT) in patients with atypical meningiomas (AMs) is lacking. We compared the effects of adjuvant RT after surgery, gross total resection (GTR), and subtotal resection (STR) on progression-free survival (PFS) and overall survival (OS) in patients with AMs, respectively.

methodsWe performed a systematic review and meta-analysis of the literature published in PubMed, Embase, and the Cochrane Library from inception to February 1, 2021, to identify articles comparing the PFS and OS of patients receiving postoperative RT after surgery, GTR and STR.

resultsWe identified 2307 unique studies; 24 articles including 3078 patients met the inclusion criteria. The sensitivity analysis results showed that for patients undergoing undifferentiated surgical resection, adjuvant RT reduced tumor recurrence (HR=0.70, p<0.0001) with no significant effect on survival (HR=0.89, p=0.49). Postoperative RT significantly increased PFS (HR=0.69, p=0.01) and OS (HR=0.55, p=0.007) in patients undergoing GTR. The same improvement was observed in patients undergoing STR plus RT (PFS: HR=0.41, p<0.00001; OS: HR=0.47, p=0.01). A subgroup analysis of RT in patients undergoing GTR showed no change in PFS in patients undergoing Simpson grade I and II resection (HR=1.82, p=0.22) but significant improvement in patients undergoing Simpson grade III resection (HR=0.64, p=0.02).

conclusionRegardless of whether GTR or STR was performed, postoperative RT improved PFS and OS to varying degrees. Especially for patients undergoing Simpson grade III or IV resection, postoperative RT confers the benefits for recurrence and survival.

Indexed as

adjuvant radiotherapyatypical meningiomagross total resectionmeta-analysisoverall survivalprogression-free survivalsubtotal resection

Identifiers

PMID34926303
PMCPMC8674463
OpenAlexW4200099986

What OpenQuestion holds

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LicenceCC BY
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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.