Evidence map›Paper›PMID 28349630›Full record

ArticleJournal of applied clinical medical physics2017

Optimization of intra-voxel incoherent motion measurement in diffusion-weighted imaging of breast cancer.

Wenjing Chen, Juan Zhang, Dan Long, Zhenchang Wang, Jian-Ming Zhu

Abstract read
In one paragraph

Article in Journal of applied clinical medical physics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

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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

13 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  13. DW-MRI of the breast: a pictorial review.Insights into imaging · 2019
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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

5 authors.

Wenjing ChenInstitute for Biomedical Engineering, China Jiliang University, Hangzhou, Zhejiang, China.
Juan ZhangDepartment of Radiology, Zhejiang Cancer Hospital, Hangzhou, Zhejiang, China.
Dan LongDepartment of Radiology, Zhejiang Cancer Hospital, Hangzhou, Zhejiang, China.
Zhenchang WangDepartment of Radiology and Center for Medical Imaging Research, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Jian-Ming ZhuInstitute for Biomedical Engineering, China Jiliang University, Hangzhou, Zhejiang, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe purpose of this study was to optimize intra-voxel incoherent motion (IVIM) measurement in diffusion-weighted imaging (DWI) of breast cancer by separating perfusion and diffusion effects through the determination of an optimal threshold b-value, thus benign and cancerous breast tissues can be accurately differentiated using IVIM-derived diffusion and perfusion parameters. MATERIALS AND

methodsTwenty-eight patients, with biopsy-confirmed breast cancers, were studied with a 3T MRI scanner, using T1-weighted dynamic contrast-enhanced MRI images, and diffusion-weighted images with nine b-values, ranging from 0 to 1000 s/mm². IVIM-derived parameter maps for tissue diffusion coefficients D, perfusion fraction f, and pseudo-diffusion coefficients D* were computed using the segmented fitting method with optimized threshold b-value, and the sum of squared residuals (SSR) were calculated for IVIM-derived parameters in different breast lesions.

resultsThe IVIM analysis method developed in this work can separate perfusion and diffusion effects with the optimal threshold b-value of 300 s/mm², and the results of diffusion and perfusion parameters from IVIM analysis can be used to differentiate pathological changes in breast tissues. It was found that the averages and standard deviations of the diffusion and perfusion parameters, D, f, D*, are the following, for malignant, benign and normal breast tissues respectively: D (0.813 ± 0.225 × 10

conclusionIVIM-derived diffusion and perfusion parameter maps depend highly on the choice of threshold b-value. Using the methodology developed in this work, and with the optimized threshold b-value, the diffusion and perfusion parameters of breast tissues can be accurately assessed, making IVIM MRI a technique of choice for differential diagnosis of breast cancer.

Indexed as

Diffusion Magnetic Resonance ImagingOrgan MotionAdolescentAdultBreastBreast DiseasesBreast NeoplasmsCarcinoma, Ductal, BreastContrast MediaFemaleHumansMiddle AgedYoung AdultContrast Mediabreast cancerb-valuediffusion-weighted imagingintra-voxel incoherent motion

Identifiers

PMID28349630
PMCPMC5689860

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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.