Evidence map›Paper›PMID 24614132›Full record

ArticlePloS one2014

Tumor vascularity and glucose metabolism correlated in adenocarcinoma, but not in squamous cell carcinoma of the lung.

Jiuquan Zhang, Lihua Chen, Yongfeng Chen, Wenwei Wang, Lin Cheng, Xiangdong Zhou, Jian Wang

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
0.5field-weighted citation impact, top 30% 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

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

  1. Pooled it
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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

7 authors at 2 institutions in 1 country.

Jiuquan ZhangDepartment of Radiology, Southwest Hospital, Third Military Medical University, Chongqing, China.
Lihua ChenDepartment of Radiology, Southwest Hospital, Third Military Medical University, Chongqing, China.
Yongfeng ChenDepartment of Respiratory Medicine, Southwest Hospital, Third Military Medical University, Chongqing, China.
Wenwei WangDepartment of Respiratory Medicine, Southwest Hospital, Third Military Medical University, Chongqing, China.
Lin ChengDepartment of Radiology, Southwest Hospital, Third Military Medical University, Chongqing, China.
Xiangdong ZhouDepartment of Respiratory Medicine, Southwest Hospital, Third Military Medical University, Chongqing, China.
Jian WangDepartment of Radiology, Southwest Hospital, Third Military Medical University, Chongqing, China.
Army Medical University · CNSouthwest Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND/

objectivesTo prospectively examine the relation between tumor vascularity and glucose metabolism in adenocarcinoma (AC) and squamous cell carcinoma(SCC) of the lung by using positron emission tomography/computed tomography (PET/CT) and dynamic contrast enhanced magnetic resonance imaging (DCE-MRI). MATERIALS AND

methodsForty-one consecutive patients with histologically confirmed untreated NSCLC underwent routine diagnostic work-up, including DCE-MRI and PET/CT. PET/CT images were used to derive glucose metabolism (SUVmax and SUVmean), and DCE-MRI images were used to derive tumor vascularity (Ktrans, Kep, Ve and iAUC). Any differences in the DCE-MRI and PET/CT estimations between the NSCLC subtypes were determined by the Wilcoxon rank sum test. Spearman's rank correlation coefficients were calculated between the DCE-MRI parameter values and the SUV.

resultsSUVmean and SUVmax in AC were significantly lower than in SCC, but Ktrans and Ve in AC were significantly higher than in SCC. Significant correlations between SUV and DCE-MRI parameters were observed for SUVmax and Ve (ρ = -0.357, P = 0.022), SUVmean and Ktrans (ρ = -0.341, P = 0.029), and SUVmean and iAUC (ρ = -0.374, P = 0.016 ) in total; for SUVmax and iAUC (ρ = -0.420, P = 0.037), SUVmean and Ktrans (ρ = -0.411, P = 0.041), SUVmean and Kep (ρ = -0.045, P = 0.026), and SUVmean and iAUC (ρ = -0.512, P = 0.009) in AC; However, for neither in SCC.

conclusionAC and SCC showed different patterns in both tumor vascularity and glucose metabolism. Tumor vascularity and glucose metabolism negatively correlated in AC, but not in SCC. These differences may underlie the heterogeneity in clinical aspect of NSCLC subtypes and have implications for their imaging profiling and monitor the treatment response.

Indexed as

AdenocarcinomaCarcinoma, Non-Small-Cell LungCarcinoma, Squamous CellContrast MediaFemaleGlucoseHumansLung NeoplasmsMagnetic Resonance ImagingMaleMiddle AgedPositron-Emission TomographyTomography, X-Ray ComputedContrast MediaGlucose

Identifiers

PMID24614132
PMCPMC3948888
OpenAlexW2041002701

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.