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Hemispheric asymmetry measured by texture analysis and diffusion tensor imaging in two multiple sclerosis subtypes

Tutkimustuotosvertaisarvioitu

Standard

Hemispheric asymmetry measured by texture analysis and diffusion tensor imaging in two multiple sclerosis subtypes. / Savio, S.; Hakulinen, U.; Ryymin, P.; Hagman, S.; Dastidar, P.; Soimakallio, S.; Elovaara, I.; Eskola, H.

julkaisussa: Acta Radiologica, Vuosikerta 56, Nro 7, 07.2015, s. 844-851.

Tutkimustuotosvertaisarvioitu

Harvard

Savio, S, Hakulinen, U, Ryymin, P, Hagman, S, Dastidar, P, Soimakallio, S, Elovaara, I & Eskola, H 2015, 'Hemispheric asymmetry measured by texture analysis and diffusion tensor imaging in two multiple sclerosis subtypes', Acta Radiologica, Vuosikerta. 56, Nro 7, Sivut 844-851. https://doi.org/10.1177/0284185114539323

APA

Savio, S., Hakulinen, U., Ryymin, P., Hagman, S., Dastidar, P., Soimakallio, S., ... Eskola, H. (2015). Hemispheric asymmetry measured by texture analysis and diffusion tensor imaging in two multiple sclerosis subtypes. Acta Radiologica, 56(7), 844-851. https://doi.org/10.1177/0284185114539323

Vancouver

Savio S, Hakulinen U, Ryymin P, Hagman S, Dastidar P, Soimakallio S et al. Hemispheric asymmetry measured by texture analysis and diffusion tensor imaging in two multiple sclerosis subtypes. Acta Radiologica. 2015 heinä;56(7):844-851. https://doi.org/10.1177/0284185114539323

Author

Savio, S. ; Hakulinen, U. ; Ryymin, P. ; Hagman, S. ; Dastidar, P. ; Soimakallio, S. ; Elovaara, I. ; Eskola, H. / Hemispheric asymmetry measured by texture analysis and diffusion tensor imaging in two multiple sclerosis subtypes. Julkaisussa: Acta Radiologica. 2015 ; Vuosikerta 56, Nro 7. Sivut 844-851.

Bibtex - Lataa

@article{8214455709da4381a81a2b65e484e19a,
title = "Hemispheric asymmetry measured by texture analysis and diffusion tensor imaging in two multiple sclerosis subtypes",
abstract = "Background: This paper addresses two subtypes of multiple sclerosis (MS), primary progressive multiple sclerosis (PPMS) and relapsing-remitting multiple sclerosis (RRMS). The separation of PPMS and RRMS is challenging in certain cases.Purpose: To quantitatively determine MS subtypes using texture analysis (TA) and diffusion tensor imaging (DTI).Material and Methods: T1-weighted (T1W) magnetic resonance imaging (MRI) and DTI of the left and right brain hemispheres of 17 patients with PPMS and 19 patients with RRMS were studied. Areas of the caudate nucleus and thalamus were investigated as normal appearing gray matter (NAGM), and areas of the cerebral peduncle and centrum semiovale were investigated as normal appearing white matter (NAWM). The described locations were symmetrical and were accurately marked. TA was performed on the T1W images, and the fractional anisotropy and apparent diffusion coefficient were determined from the DTI data.Results: Hemispherical differences were found with both TA and DTI. Several texture and diffusion tensor parameter values calculated for the left and right hemispheres of the patients showed statistically significant differences. The patients with RRMS had greater significant differences (PConclusion: TA can be helpful when distinguishing between PPMS and RRMS, while DTI appears to reveal the hemispherical asymmetry of RRMS patients.",
author = "S. Savio and U. Hakulinen and P. Ryymin and S. Hagman and P. Dastidar and S. Soimakallio and I. Elovaara and H. Eskola",
note = "Contribution: organisation=elt,FACT1=1<br/>Portfolio EDEND: 2014-08-19<br/>Publisher name: Sage Publications",
year = "2015",
month = "7",
doi = "10.1177/0284185114539323",
language = "English",
volume = "56",
pages = "844--851",
journal = "Acta Radiologica",
issn = "0284-1851",
publisher = "SAGE Publications",
number = "7",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Hemispheric asymmetry measured by texture analysis and diffusion tensor imaging in two multiple sclerosis subtypes

AU - Savio, S.

AU - Hakulinen, U.

AU - Ryymin, P.

AU - Hagman, S.

AU - Dastidar, P.

AU - Soimakallio, S.

AU - Elovaara, I.

AU - Eskola, H.

N1 - Contribution: organisation=elt,FACT1=1<br/>Portfolio EDEND: 2014-08-19<br/>Publisher name: Sage Publications

PY - 2015/7

Y1 - 2015/7

N2 - Background: This paper addresses two subtypes of multiple sclerosis (MS), primary progressive multiple sclerosis (PPMS) and relapsing-remitting multiple sclerosis (RRMS). The separation of PPMS and RRMS is challenging in certain cases.Purpose: To quantitatively determine MS subtypes using texture analysis (TA) and diffusion tensor imaging (DTI).Material and Methods: T1-weighted (T1W) magnetic resonance imaging (MRI) and DTI of the left and right brain hemispheres of 17 patients with PPMS and 19 patients with RRMS were studied. Areas of the caudate nucleus and thalamus were investigated as normal appearing gray matter (NAGM), and areas of the cerebral peduncle and centrum semiovale were investigated as normal appearing white matter (NAWM). The described locations were symmetrical and were accurately marked. TA was performed on the T1W images, and the fractional anisotropy and apparent diffusion coefficient were determined from the DTI data.Results: Hemispherical differences were found with both TA and DTI. Several texture and diffusion tensor parameter values calculated for the left and right hemispheres of the patients showed statistically significant differences. The patients with RRMS had greater significant differences (PConclusion: TA can be helpful when distinguishing between PPMS and RRMS, while DTI appears to reveal the hemispherical asymmetry of RRMS patients.

AB - Background: This paper addresses two subtypes of multiple sclerosis (MS), primary progressive multiple sclerosis (PPMS) and relapsing-remitting multiple sclerosis (RRMS). The separation of PPMS and RRMS is challenging in certain cases.Purpose: To quantitatively determine MS subtypes using texture analysis (TA) and diffusion tensor imaging (DTI).Material and Methods: T1-weighted (T1W) magnetic resonance imaging (MRI) and DTI of the left and right brain hemispheres of 17 patients with PPMS and 19 patients with RRMS were studied. Areas of the caudate nucleus and thalamus were investigated as normal appearing gray matter (NAGM), and areas of the cerebral peduncle and centrum semiovale were investigated as normal appearing white matter (NAWM). The described locations were symmetrical and were accurately marked. TA was performed on the T1W images, and the fractional anisotropy and apparent diffusion coefficient were determined from the DTI data.Results: Hemispherical differences were found with both TA and DTI. Several texture and diffusion tensor parameter values calculated for the left and right hemispheres of the patients showed statistically significant differences. The patients with RRMS had greater significant differences (PConclusion: TA can be helpful when distinguishing between PPMS and RRMS, while DTI appears to reveal the hemispherical asymmetry of RRMS patients.

U2 - 10.1177/0284185114539323

DO - 10.1177/0284185114539323

M3 - Article

VL - 56

SP - 844

EP - 851

JO - Acta Radiologica

JF - Acta Radiologica

SN - 0284-1851

IS - 7

ER -