Evidence map›Paper›PMID 34322765›Full record

ArticleEuropean radiology experimental2021

Matrix 3D ultrasound-assisted thyroid nodule volume estimation and radiofrequency ablation: a phantom study.

T Boers, S J Braak, M Versluis, S Manohar

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in European radiology experimental, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05510609 (Three-dimensional Ultrasonography), which is not on this map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
1.9field-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.

NCT05510609 naunknown statusnot on this mapstarted 2022, after this paper: background citation

Three-dimensional Ultrasonography: Accuracy in Thyroid Volume Measurement.

TypeinterventionalSponsorRigshospitalet, DenmarkRan2022 to 2022Enrolled17ConditionsThyroid, Thyroid Cancer, Thyroid Diseases, Graves DiseaseArmsBK 5000 Ultrasound Machine
3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 1 synthesis or guideline pooled it, 20 citations in OpenAlex.

  1. Training Programs for Thyroid Biopsy and Ablation: A Systematic Review.Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists · 2026
    Pooled it
  2. Trial
  3. Article
  4. Article
  5. Article
  6. Inter-observer variation in two-dimensional and three-dimensional ultrasound measurement of papillary thyroid microcarcinoma.Cancer imaging : the official publication of the International Cancer Imaging Society · 2023
    Article
  7. 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

4 authors at 2 institutions in 1 country.

T BoersMulti-Modality Medical Imaging group, TechMed Centre, University of Twente, Enschede, The Netherlands. t.boers@utwente.nl.ORCID 0000-0002-5309-1941
S J BraakDepartment of Radiology, Ziekenhuis Groep Twente, Almelo, The Netherlands.
M VersluisPhysics of Fluids group, TechMed Centre, University of Twente, Enschede, The Netherlands.
S ManoharMulti-Modality Medical Imaging group, TechMed Centre, University of Twente, Enschede, The Netherlands.
University of Twente · NLZiekenhuis Groep Twente · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTwo-dimensional (2D) ultrasound is well established for thyroid nodule assessment and treatment guidance. However, it is hampered by a limited field of view and observer variability that may lead to inaccurate nodule classification and treatment. To cope with these limitations, we investigated the use of real-time three-dimensional (3D) ultrasound to improve the accuracy of volume estimation and needle placement during radiofrequency ablation. We assess a new 3D matrix transducer for nodule volume estimation and image-guided radiofrequency ablation.

methodsThirty thyroid nodule phantoms with thermochromic dye underwent volume estimation and ablation guided by a 2D linear and 3D mechanically-swept array and a 3D matrix transducer.

resultsThe 3D matrix nodule volume estimations had a lower median difference with the ground truth (0.4 mL) compared to the standard 2D approach (2.2 mL, p < 0.001) and mechanically swept 3D transducer (2.0 mL, p = 0.016). The 3D matrix-guided ablation resulted in a similar nodule ablation coverage when compared to 2D-guidance (76.7% versus 80.8%, p = 0.542). The 3D mechanically swept transducer performed worse (60.1%, p = 0.015). However, 3D matrix and 2D guidance ablations lead to a larger ablated volume outside the nodule than 3D mechanically swept (5.1 mL, 4.2 mL (p = 0.274), 0.5 mL (p < 0.001), respectively). The 3D matrix and mechanically swept approaches were faster with 80 and 72.5 s/mL ablated than 2D with 105.5 s/mL ablated.

conclusionsThe 3D matrix transducer estimates volumes more accurately and can facilitate accurate needle placement while reducing procedure time.

Indexed as

Catheter AblationRadiofrequency AblationThyroid NoduleHumansPhantoms, ImagingUltrasonographyImaging (three-dimensional)Phantoms (imaging)Radiofrequency ablationThyroid noduleUltrasonography

Identifiers

PMID34322765
PMCPMC8319281
OpenAlexW3183300919

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.