Evidence map›Paper›PMID 16865406›Full record

ArticleVirchows Archiv : an international journal of pathology2006

Assessment of epidermal growth factor receptor (EGFR) expression in primary colorectal carcinomas and their related metastases on tissue sections and tissue microarray.

Frédéric Bibeau, Florence Boissière-Michot, Jean-Christophe Sabourin, Sophie Gourgou-Bourgade, Michèle Radal, Frédérique Penault-Llorca, Philippe Rochaix, Laurent Arnould, Marie-Pierre Bralet, David Azria and 1 more

Open access · hybridAbstract readComparative Study
In one paragraph

Article in Virchows Archiv : an international journal of pathology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.1field-weighted citation impact, top 13% 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

19 citing papers in PubMed, 48 citations in OpenAlex.

  1. Trial
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  3. Review
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  6. Article
  7. Effect ofOncology letters · 2020
    Article
  8. Article
  9. Article
  10. Article
  11. Development of a gLCR-based KRAS mutation detection approach and its comparison with other screening methods.Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine · 2015
    Article
  12. Article
  13. Article
  14. An immunohistochemical study of EGFR expression in colorectal cancer and its correlation with lymph nodes status and tumor grade.Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences · 2012
    Article
  15. Immunohistochemistry: relevance in dermatology.Indian journal of dermatology · 2011
    Article
  16. Article
  17. Novel translational strategies in colorectal cancer research.World journal of gastroenterology · 2007
    Review
  18. Article
  19. 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 1 country.

Frédéric BibeauDepartment of Pathology, Centre Régional de Lutte Contre le Cancer Val d'Aurelle, 34298, Montpellier, Cedex 5, France. fbibeau@valdorel.fnclcc.fr
Florence Boissière-Michot
Jean-Christophe Sabourin
Sophie Gourgou-Bourgade
Michèle Radal
Frédérique Penault-Llorca
Philippe Rochaix
Laurent Arnould
Marie-Pierre Bralet
David Azria
Marc Ychou
Gefluc Languedoc Roussillon · FRCentre Georges François Leclerc · FRCentre Jean Perrin · FRHôpital Charles-Nicolle · FRHôpital Paul-Brousse · FRInstitut Claudius Regaud · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Metastatic colorectal carcinomas (CRC) resistant to chemotherapy may benefit from targeting monoclonal therapy cetuximab when they express the epidermal growth factor receptor (EGFR). Because of its clinical implications, we studied EGFR expression by immunohistochemistry on tissue sections of primary CRC (n=32) and their related metastases (n=53). A tissue microarray (TMA) was generated from the same paraffin blocks to determine whether this technique could be used for EGFR screening in CRC. On tissue sections, 84% of the primary CRC and 94% of the metastases were EGFR-positive. When matched, they showed a concordant EGFR-positive status in 78% of the cases. Moreover, staining intensity and extent of EGFR-positive cells in the primary CRC correlated with those observed in the synchronous metastases. On TMA, 65% of the primary CRC, 66% of the metastases, and 43% of the matched primary CRC metastases were EGFR-positive. There was no concordant EGFR status between the primary and the metastatic sites. A strong discrepancy of EGFR status was noted between TMA and tissue sections. In conclusion, EGFR expression measured in tissue sections from primary CRC and their related metastases was found to be similar and frequent, but it was significantly underestimated by the TMA technique.

Indexed as

Histological TechniquesTissue Array AnalysisAdenocarcinomaAgedAged, 80 and overColorectal NeoplasmsErbB ReceptorsFemaleHumansImmunohistochemistryMaleMiddle AgedErbB Receptors

Identifiers

PMID16865406
PMCPMC1888717
OpenAlexW2054691044

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.