Evidence map›Paper›PMID 30881480›Full record

ArticleComputational and mathematical methods in medicine2019

The Effect of CT Scan Parameters on the Measurement of CT Radiomic Features: A Lung Nodule Phantom Study.

Young Jae Kim, Hyun-Ju Lee, Kwang Gi Kim, Seung Hyun Lee

Abstract read
In one paragraph

Article in Computational and mathematical methods in medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
–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

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

26 citing papers in PubMed.

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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

4 authors.

Young Jae KimDepartment of Biomedical Engineering, Gachon University College of Medicine, Incheon, Republic of Korea.ORCID 0000-0003-0443-0051
Hyun-Ju LeeDepartment of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.ORCID 0000-0001-5748-2096
Kwang Gi Kim *Department of Biomedical Engineering, Gachon University College of Medicine, Incheon, Republic of Korea.ORCID 0000-0001-9714-6038
Seung Hyun Lee *Department of Plazma Bio Display, Kwangwoon University, Seoul, Republic of Korea.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The purpose of this study was to explore the effects of CT slice thickness, reconstruction algorithm, and radiation dose on quantification of CT features to characterize lung nodules using a chest phantom. Spherical lung nodule phantoms of known densities (-630 and + 100 HU) were inserted into an anthropomorphic thorax phantom. CT scan was performed ten times with relocations. CT data were reconstructed using 12 different imaging settings; three different slice thicknesses of 1.25, 2.5, and 5.0 mm, two reconstruction kernels of sharp and standard, and two radiation dose of 30 mAs and 12 mAs. Lesions were segmented using a semiautomated method. Twenty representative CT quantitative features representing CT density and texture were compared using multiple regression analysis. In 100 HU nodule phantoms, 18 and 19 among 20 computer features showed significant difference between different mAs and reconstruction algorithms, respectively (

Indexed as

Tomography, X-Ray ComputedAlgorithmsHumansImage Processing, Computer-AssistedLungLung NeoplasmsPhantoms, ImagingRadiographic Image Interpretation, Computer-AssistedRegression AnalysisSolitary Pulmonary Nodule

Identifiers

PMID30881480
PMCPMC6381551

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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.