Evidence map›Paper›PMID 23452038›Full record

ArticleBrain pathology (Zurich, Switzerland)2013

Histological predictors of outcome in ependymoma are dependent on anatomic site within the central nervous system.

Aditya Raghunathan, Khalida Wani, Terri S Armstrong, Elizabeth Vera-Bolanos, Maryam Fouladi, Richard Gilbertson, Amar Gajjar, Stewart Goldman, Norman L Lehman, Phillipe Metellus and 14 more

Open access · greenAbstract read
In one paragraph

Article in Brain pathology (Zurich, Switzerland), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
4.1field-weighted citation impact, top 5% 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

28 citing papers in PubMed, 1 synthesis or guideline pooled it, 75 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Article
  6. Supratentorial and Infratentorial Ependymoma.Advances and technical standards in neurosurgery · 2024
    Review
  7. Article
  8. Article
  9. Ependymoma: Evaluation and Management Updates.Current oncology reports · 2022
    Review
  10. Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. Observational
  16. Article
  17. Review
  18. Article
  19. Review
  20. Review
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

24 authors at 13 institutions in 2 countries.

Aditya RaghunathanThe University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Khalida Wani
Terri S Armstrong
Elizabeth Vera-Bolanos
Maryam Fouladi
Richard Gilbertson
Amar Gajjar
Stewart Goldman
Norman L Lehman
Phillipe Metellus
Tom Mikkelsen
Mary Jo T Necesito-Reyes
Antonio Omuro
Roger J Packer
Sonia Partap
Ian F Pollack
Michael D Prados
H Ian Robins
Riccardo Soffietti
Jing Wu
C Ryan Miller
Mark R Gilbert
Kenneth D Aldape
Collaborative Ependymoma Research Network
The University of Texas MD Anderson Cancer Center · USHenry Ford Hospital · USSt. Jude Children's Research Hospital · USUniversity of North Carolina at Chapel Hill · USAzienda Ospedaliero Universitaria San Giovanni Battista · ITChildren's Hospital of Pittsburgh · USChildren's National · USCincinnati Children's Hospital Medical Center · USLucile Packard Children's Hospital · USMemorial Sloan Kettering Cancer Center · USNorthwestern University · USUniversity of California, San Francisco · USUniversity of Wisconsin–Madison · US

Funding

Control of Genomic Stability by Emil and SecruinK08NS045077 · NINDS · STANFORD UNIVERSITY · PI LEHMAN, NORMAN · 2003 to 2007
$843k
NINDS NIH HHS K08 NS045077
6 · The paper itself

Abstract

Ependymomas originate in posterior fossa (PF), supratentorial (ST) or spinal cord (SC) compartments. At present, grading schemes are applied independent of anatomic site. We performed detailed histological examination on 238 World Health Organization grade II and III ependymomas. Among PF ependymomas, the presence of hypercellular areas, necrosis, microvascular proliferation and elevated mitotic rate (all P < 0.01) were significantly associated with worse progression-free survival (PFS), while extensive ependymal canal formation was not (P = 0.89). Similar to the PF tumors, microvascular proliferation (P = 0.01) and elevated mitotic rate (P = 0.03) were significantly associated with worse PFS in the ST tumors. However, in contrast to PF tumors, extensive ependymal canals (P = 0.03) were associated with worse clinical outcome in ST ependymomas, but hypercellularity (P = 0.57) and necrosis (P = 0.47) were not. On multivariate Cox regression, after adjusting for relevant clinical variables, individual histological factors and a composite histological score remained significant among ST and PF ependymoma. In contrast to both PF and ST ependymoma, histological features were not found to be associated with PFS in SC tumors. Taken together, the clinical relevance of specific histological features in ependymoma appears to be related to the anatomic site of origin and suggests that site-specific grading criteria be considered in future classification systems.

Indexed as

AdolescentAdultAgedCentral Nervous SystemCentral Nervous System NeoplasmsChildChild, PreschoolDisease-Free SurvivalEpendymomaFemaleHumansInfantInfant, NewbornMaleMiddle AgedPredictive Value of Testsependymomahistologyprogression-free survival

Identifiers

PMID23452038
PMCPMC8028973
OpenAlexW2138753433

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.