Evidence map›Paper›PMID 29372286›Full record

ArticleNeuroradiology2018

Generalized q-sampling imaging fiber tractography reveals displacement and infiltration of fiber tracts in low-grade gliomas.

Pinar Celtikci, David T Fernandes-Cabral, Fang-Cheng Yeh, Sandip S Panesar, Juan C Fernandez-Miranda

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In one paragraph

Article in Neuroradiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
2.0field-weighted citation impact, top 14% 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

21 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.

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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 at 2 institutions in 1 country.

Pinar CeltikciDepartment of Neurological Surgery, University of Pittsburgh Medical Center, 200 Lothrop St., Suite B-400, Pittsburgh, PA, 15213, USA.
David T Fernandes-CabralDepartment of Neurological Surgery, University of Pittsburgh Medical Center, 200 Lothrop St., Suite B-400, Pittsburgh, PA, 15213, USA.
Fang-Cheng YehDepartment of Neurological Surgery, University of Pittsburgh Medical Center, 200 Lothrop St., Suite B-400, Pittsburgh, PA, 15213, USA.
Sandip S PanesarDepartment of Neurological Surgery, University of Pittsburgh Medical Center, 200 Lothrop St., Suite B-400, Pittsburgh, PA, 15213, USA.
Juan C Fernandez-MirandaDepartment of Neurological Surgery, University of Pittsburgh Medical Center, 200 Lothrop St., Suite B-400, Pittsburgh, PA, 15213, USA. fernandezmirandajc@upmc.edu.
University of Pittsburgh Medical Center · USNeurological Surgery · US

Funding

Language connectivity pathways and neuroplasticity in aphasic stroke patientsR01DC013803 · NIDCD · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI FERNANDEZ-MIRANDA, JUAN CARLOS, HULA, WILLIAM D. · 2015 to 2019
$1.9M
NIDCD NIH HHS R01 DC013803University of Pittsburgh Brain Institute Seed Grant
6 · The paper itself

Abstract

purposeLow-grade gliomas (LGGs) are slow growing brain tumors that often cause displacement and/or infiltration of the surrounding white matter pathways. Differentiation between infiltration and displacement of fiber tracts remains a challenge. Currently, there is no reliable noninvasive imaging method capable of revealing such white matter alteration patterns. We employed quantitative anisotropy (QA) derived from generalized q-sampling imaging (GQI) to identify patterns of fiber tract alterations by LGGs.

methodsSixteen patients with a neuropathological diagnosis of LGG (WHO grade II) were enrolled. Peritumoral fiber tracts underwent qualitative and quantitative evaluation. Contralateral hemisphere counterparts were used for comparison. Tracts were qualitatively classified as unaffected, displaced, infiltrated or displaced, and infiltrated at once. The average QA of whole tract (W), peritumoral tract segment (S), and their ratio (S/W) were obtained and compared to the healthy side for quantitative evaluation.

resultsQualitative analysis revealed 9 (13.8%) unaffected, 24 (36.9%) displaced, 13 (20%) infiltrated, and 19 (29.2%) tracts with a combination of displacement and infiltration. There were no disrupted tracts. There was a significant increase in S/W ratio among displaced tracts in the pre-operative scans in comparison with the contralateral side. QA values of peritumoral tract segments (S) were significantly lower in infiltrated tracts.

conclusionWHO grade II LGGs might displace, infiltrate, or cause a combination of displacement and infiltration of WM tracts. QA derived from GQI provides valuable information that helps to differentiate infiltration from displacement. Anisotropy changes correlate with qualitative alterations, which may serve as a potential biomarker of fiber tract integrity.

Indexed as

AdolescentAdultAlgorithmsAnisotropyBrain NeoplasmsDiffusion Tensor ImagingFemaleGliomaHumansImage Interpretation, Computer-AssistedMaleMiddle AgedNeoplasm GradingWhite MatterDiffusion magnetic resonance imagingFiber tractographyLow-grade gliomaQuantitative anisotropyWhite matter

Identifiers

PMID29372286
OpenAlexW2785353058

What OpenQuestion holds

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Registered trials

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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.