Evidence map›Paper›PMID 34623525›Full record

ArticleNeurosurgical review2022

Mid-term follow-up surgical results in 284 cases of clival chordomas: the risk factors for outcome and tumor recurrence.

Jiwei Bai, Mingxuan Li, Jianxin Shi, Liwei Jing, Yixuan Zhai, Shuheng Zhang, Junmei Wang, Peng Zhao, Chuzhong Li, Songbai Gui and 1 more

Open access · hybridAbstract read
In one paragraph

Article in Neurosurgical review, 2022. 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
4.8field-weighted citation impact, top 4% 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, 29 citations in OpenAlex.

  1. Article
  2. Endoscopic Endonasal Resection of Clival Chordomas.Advances and technical standards in neurosurgery · 2025
    Review
  3. Article
  4. Article
  5. Article
  6. Review
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  8. Article
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  11. Article
  12. The prognostic significance of different degrees of resection of skull base chordoma.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2022
    Article
  13. Article
  14. Article
  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

11 authors at 6 institutions in 2 countries.

Jiwei BaiBeijing Neurosurgical Institute, Capital Medical University, Beijing, China.
Mingxuan LiBeijing Neurosurgical Institute, Capital Medical University, Beijing, China.
Jianxin ShiDivision of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, Bethesda, MD, USA.
Liwei JingDepartment of Health Statistics, Shanxi Medical University, Taiyuan, China.
Yixuan ZhaiDepartment of Neurosurgery, First Affiliated Hospital, Zhengzhou University, Zhengzhou, China.
Shuheng ZhangDepartment of Neurosurgery, Anshan Central Hospital, Anshan, China.
Junmei WangBeijing Neurosurgical Institute, Capital Medical University, Beijing, China.
Peng ZhaoDepartment of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Chuzhong LiBeijing Neurosurgical Institute, Capital Medical University, Beijing, China.
Songbai GuiDepartment of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Yazhuo ZhangBeijing Neurosurgical Institute, Capital Medical University, Beijing, China. zyz2004520@163.com.ORCID http://orcid.org/0000-0002-8583-2580
Capital Medical University · CNAnshan Hospital · CNBeijing Tian Tan Hospital · CNFirst Affiliated Hospital of Zhengzhou University · CNShanxi Medical University · CNUnited States Department of Health and Human Services · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveSkull base chordoma (SBC) is rare and one of the most challenging diseases to treat. We aimed to assess the optimal timing of adjuvant radiation therapy (RT) and to evaluate the factors that influence resection and long-term outcomes.

methodsIn total, 284 patients with 382 surgeries were enrolled in this retrospective study. Postsurgically, 64 patients underwent RT before recurrence (pre-recurrence RT), and 47 patients underwent RT after recurrence. During the first attempt to achieve gross-total resection (GTR), when the entire tumor was resected, 268 patients were treated with an endoscopic midline approach, and 16 patients were treated with microscopic lateral approaches. Factors associated with the success of GTR were identified using χ

resultsIn total, 74.6% of tumors were marginally resected [GTR (40.1%), near-total resection (34.5%)]. History of surgery, large tumor volumes, and tumor locations in the lower clivus were associated with a lower GTR rate. The mean follow-up period was 43.9 months. At the last follow-up, 181 (63.7%) patients were alive. RT history, histologic subtype (dedifferentiated and sarcomatoid), non-GTR, no postsurgical RT, and the presence of metastasis were associated with poorer CSS. Patients with pre-recurrence RT had the longest PFS and CSS, while patients without postsurgical RT had the worst outcome.

conclusionGTR is the goal of initial surgical treatment. Pre-recurrence RT would improve outcome regardless of GTR.

Indexed as

ChordomaSkull Base NeoplasmsFollow-Up StudiesHumansNeoplasm Recurrence, LocalRetrospective StudiesRisk FactorsTreatment OutcomeChordomaPrognosisRadiation therapySkull baseSurgical approaches

Identifiers

PMID34623525
PMCPMC8976789
OpenAlexW3167303885

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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.