Evidence map›Paper›PMID 27011371›Full record

Trial reportEuropean radiology2016

Measuring mammographic density: comparing a fully automated volumetric assessment versus European radiologists' qualitative classification.

Hanna Sartor, Kristina Lång, Aldana Rosso, Signe Borgquist, Sophia Zackrisson, Pontus Timberg

Registry-linked trialOpen access · hybridAbstract readClinical TrialComparative Study
In one paragraph

Trial report in European radiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07415499 (Retrospective Study on Patients Undergoing Mammographic Screening to Evaluate the Impact of Breast Density on Breast Cancer Diagnosis), which is not on this map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
5.1field-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.

NCT07415499 recruitingnot on this mapstarted 2026, after this paper: background citation

Retrospective Study on Patients Undergoing Mammographic Screening to Evaluate the Impact of Breast Density on Breast Cancer Diagnosis

TypeobservationalSponsorAzienda Sanitaria Locale CN2 Alba-BraRan2026 to 2026Enrolled3,300ConditionsBreast Cancer Screening, Breast Cancer Screening and DiagnosisArmsNo intervention is administered.
3 · Its place in the literature

Who cites it

34 citing papers in PubMed, 58 citations in OpenAlex.

  1. Trial
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  6. A New Breast Density Assessment Method Using Portable Document Format.Asian Pacific journal of cancer prevention : APJCP · 2024
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  16. Review
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  20. Observational
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

6 authors at 2 institutions in 1 country.

Hanna SartorMedical Radiology, Department of Translational Medicine, Lund University, Lund, Sweden. hanna.sartor@med.lu.se.
Kristina LångMedical Radiology, Department of Translational Medicine, Lund University, Lund, Sweden.
Aldana RossoEpidemiology and Register Centre South (ERC Syd), Skåne University Hospital, Klinkgatan 22, SE-221 85, Lund, Sweden.
Signe BorgquistDivision of Oncology and Pathology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden.
Sophia ZackrissonMedical Radiology, Department of Translational Medicine, Lund University, Lund, Sweden.
Pontus TimbergDepartment of Medical Radiation Physics, Department of Translational Medicine, Lund University, Lund, Sweden.
Skåne University Hospital · SELund University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesBreast Imaging-Reporting and Data System (BI-RADS) mammographic density categories are associated with considerable interobserver variability. Automated methods of measuring volumetric breast density may reduce variability and be valuable in risk and mammographic screening stratification. Our objective was to assess agreement of mammographic density by a volumetric method with the radiologists' classification.

methodsEight thousand seven hundred and eighty-two examinations from the Malmö Breast Tomosynthesis Screening Trial were classified according to BI-RADS, 4th Edition. Volumetric breast density was assessed using automated software for 8433 examinations. Agreement between volumetric breast density and BI-RADS was descriptively analyzed. Agreement between radiologists and between categorical volumetric density and BI-RADS was calculated, rendering kappa values.

resultsThe observed agreement between BI-RADS scores of different radiologists was 80.9 % [kappa 0.77 (0.76-0.79)]. A spread of volumetric breast density for each BI-RADS category was seen. The observed agreement between categorical volumetric density and BI-RADS scores was 57.1 % [kappa 0.55 (0.53-0.56)].

conclusionsThere was moderate agreement between volumetric density and BI-RADS scores from European radiologists indicating that radiologists evaluate mammographic density differently than software. The automated method may be a robust and valuable tool; however, differences in interpretation between radiologists and software require further investigation. KEY POINTS: • Agreement between qualitative and software density measurements has not been frequently studied. • There was substantial agreement between different radiologists´ qualitative density assessments. • There was moderate agreement between software and radiologists' density assessments. • Differences in interpretation between software and radiologists require further investigation.

Indexed as

Breast DensityBreast NeoplasmsEuropeFemaleHumansMammographyMiddle AgedObserver VariationRadiologistsSoftwareBreast cancerDiagnostic imagingMammographyScreeningWomen’ health

Identifiers

PMID27011371
PMCPMC5101269
OpenAlexW2305004423

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

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.