Evidence map›Paper›PMID 30127903›Full record

ArticleOncology letters2018

Homogenously isoattenuating insulinoma on biphasic contrast-enhanced computed tomography: Little benefits of diffusion-weighted imaging for lesion detection.

Zhenshan Shi, Xiumei Li, Ruixiong You, Yueming Li, Xianying Zheng, Kamisha Ramen, Vikash Sahadeo Loosa, Dairong Cao, Qunlin Chen

Open access · diamondAbstract read
In one paragraph

Article in Oncology letters, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.5field-weighted citation impact, top 33% 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

1 citing paper in PubMed, 4 citations in OpenAlex.

  1. 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

9 authors at 2 institutions in 1 country.

Zhenshan ShiDepartment of Radiology, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China.
Xiumei LiDepartment of Radiology, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China.
Ruixiong YouDepartment of Radiology, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China.
Yueming LiDepartment of Radiology, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China.
Xianying ZhengDepartment of Radiology, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China.
Kamisha RamenDepartment of Radiology, Fujian Medical University, Fuzhou, Fujian 350001, P.R. China.
Vikash Sahadeo LoosaDepartment of Radiology, Fujian Medical University, Fuzhou, Fujian 350001, P.R. China.
Dairong CaoDepartment of Radiology, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China.
Qunlin ChenDepartment of Radiology, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China.
Fujian Medical University · CNFirst Affiliated Hospital of Fujian Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The aim of the present study was to evaluate the diagnostic benefit of diffusion-weighted imaging (DWI) in the detection of homogenous isoattenuating insulinoma on biphasic contrast-enhanced computed tomography (CT) preoperatively and to determine which magnetic resonance (MR) sequences exhibited the best diagnostic performance. A total of 44 consecutive patients who underwent biphasic contrast-enhanced CT and conventional MR imaging (MRI), including DWI on a 3T scanner, were identified retrospectively. Apparent diffusion coefficient (ADC) values of insulinomas and the surrounding pancreatic parenchyma were compared using a Wilcoxon signed-rank test. Receiver operating characteristic analysis was used to compare the diagnostic accuracy of four randomized image sets [T2-weighted image (WI), axial T1WI, DWI and T2WI + DWI] for each reader. Axial T1-weighted MRI exhibited the highest relative sensitivity for each reader; DWI alone exhibited the lowest relative sensitivity and the lower inter-reader agreement. There was no significant difference in lesion detection between T2WI and T2WI + DWI image sets for each reader. The ADC values of the insulinoma were significantly lower compared with those of the surrounding parenchyma. In conclusion, DWI does not benefit the detection of homogenous isoattenuating insulinoma. Axial T1WI is the optimal pulse sequence. Quantitative assessment of the tumor ADC values may be a useful tool to characterize identified pancreatic neoplasms.

Indexed as

diffusion-weighted imaginginsulinomamagnetic resonance imagingmulti-detector computed tomographypancreas

Identifiers

PMID30127903
PMCPMC6096136
OpenAlexW2811261125

What OpenQuestion holds

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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.