Evidence map›Paper›PMID 30066480›Full record

ArticleThe journal of pathology. Clinical research2018

Breast cancer biomarkers in clinical testing: analysis of a UK national external quality assessment scheme for immunocytochemistry and in situ hybridisation database containing results from 199 300 patients.

Andrew Dodson, Suzanne Parry, Merdol Ibrahim, John Ms Bartlett, Sarah Pinder, Mitch Dowsett, Keith Miller

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in The journal of pathology. Clinical research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 38 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 1 pooled it
2.5field-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

38 citing papers in PubMed, 1 synthesis or guideline pooled it, 65 citations in OpenAlex.

  1. Guideline
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  8. Toward Optimizing the Impact of Digital Pathology and Augmented Intelligence on Issues of Diagnosis, Grading, Staging, and Classification.Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc · 2025
    Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 4 institutions in 2 countries.

Andrew DodsonRalph Lauren Centre for Breast Cancer Research, The Royal Marsden Hospital, London, UK.ORCID 0000-0002-7443-2362
Suzanne ParryUK NEQAS ICC & ISH, University College London Cancer Institute, London, UK.
Merdol IbrahimUK NEQAS ICC & ISH, University College London Cancer Institute, London, UK.
John Ms BartlettOntario Institute for Cancer Research, Ontario, Canada.
Sarah PinderCancer Studies, King's College London, London, UK.
Mitch DowsettRalph Lauren Centre for Breast Cancer Research, The Royal Marsden Hospital, London, UK.
Keith MillerUK NEQAS ICC & ISH, University College London Cancer Institute, London, UK.
Cancer Research UK · GBInstitute of Cancer Research · GBKing's College London · GBOntario Institute for Cancer Research · CA

Funding

Cancer Research UK 16591
6 · The paper itself

Abstract

We describe a collated data set of results from clinical testing of breast cancers carried out between 2009 and 2016 in the United Kingdom and Republic of Ireland. More than 199 000 patient biomarker data sets, together with clinicopathological parameters were collected. Our analyses focused on human epidermal growth factor receptor-2 (HER2), oestrogen receptor (ER) and progesterone receptor (PR), with the aim of the study being to provide robust confirmatory evidence on known associations in these biomarkers and to uncover new data on previously undescribed or unconfirmed associations, thus strengthening the evidence-base in clinical breast cancer testing. Overall, 13.1% of tumours were HER2-positive; 10.6% in ER-positive tumours, and 25.5% in ER-negative tumours. Higher rates of HER2 positivity were significantly associated with patient age <56 years versus age ≥56 years, symptomatic versus screen-detected tumours, testing of involved axillary node versus primary breast cancer, invasive ductal carcinoma (not otherwise specified) versus other histological types, higher histological grade, increasing tumour size, increasing nodal involvement, ER-negative versus ER-positive tumour status, PR-negative versus PR-positive tumour status. Where ER status was known, 82.7% of tumours were ER-positive; 80.9% in women age <56 years, and 83.6% in those age ≥56 years (ER-positive cut-off ≥1.0% positive tumour cells or equivalent). Where PR status was known, 64.9% of tumours were PR-positive; 65.8% in women age <56 years, and 64.4% in women age ≥56 years (PR-positive cut off ≥10.0% or equivalent). These analyses of clinical test results provide contemporary benchmarking data for HER2, ER and PR positive rates.

Indexed as

Biomarkers, TumorBreast NeoplasmsDatabases, FactualErb-b2 Receptor Tyrosine KinasesEstrogen Receptor alphaFemaleHumansImmunohistochemistryIn Situ HybridizationIrelandReceptors, ProgesteroneUnited KingdomBiomarkers, TumorERBB2 protein, humanErb-b2 Receptor Tyrosine KinasesEstrogen Receptor alphaReceptors, Progesteronebiomarkersbreast cancerclinical testingERexternal quality assessmentHER2human epidermal growth factor receptor-2oestrogen receptorPRprogesterone receptor

Identifiers

PMID30066480
PMCPMC6174620
OpenAlexW2887351902

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.