Associations among q-space MRI, diffusion-weighted MRI and histopathological parameters in meningiomas View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2013-08

AUTHORS

Zareen Fatima, Utaroh Motosugi, Ahmed Bilal Waqar, Masaaki Hori, Keiichi Ishigame, Naoki Oishi, Toshiyuki Onodera, Kazuo Yagi, Ryohei Katoh, Tsutomu Araki

ABSTRACT

OBJECTIVES: The purposes of this MR-based study were to calculate q-space imaging (QSI)-derived mean displacement (MDP) in meningiomas, to evaluate the correlation of MDP values with apparent diffusion coefficient (ADC) and to investigate the relationships among these diffusion parameters, tumour cell count (TCC) and MIB-1 labelling index (LI). METHODS: MRI, including QSI and conventional diffusion-weighted imaging (DWI), was performed in 44 meningioma patients (52 lesions). ADC and MDP maps were acquired from post-processing of the data. Quantitative analyses of these maps were performed by applying regions of interest. Pearson correlation coefficients were calculated for ADC and MDP in all lesions and for ADC and TCC, MDP and TCC, ADC and MIB-1 LI, and MDP and MIB-1 LI in 17 patients who underwent subsequent surgery. RESULTS: ADC and MDP values were found to have a strong correlation: r = 0.78 (P = <0.0001). Both ADC and MDP values had a significant negative association with TCC: r = -0.53 (p = 0.02) and -0.48 (P = 0.04), respectively. MIB-1 LI was not, however, found to have a significant association with these diffusion parameters. CONCLUSION: In meningiomas, both ADC and MDP may be representative of cell density. KEY POINTS: • Diffusion-weighted MRI offers possibilities to assess the aggressiveness of meningiomas. • The q-space imaging-derived mean displacement correlates strongly with apparent diffusion coefficients. • Both diffusion parameters showed a strong negative association with tumour cell counts. • Derived mean displacement may help assess the aggressiveness of meningiomas preoperatively. More... »

PAGES

2258-2263

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s00330-013-2823-0

DOI

http://dx.doi.org/10.1007/s00330-013-2823-0

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1022342160

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/23519438


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curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/pub.10.1007/s00330-013-2823-0'

Turtle is a human-readable linked data format.

curl -H 'Accept: text/turtle' 'https://scigraph.springernature.com/pub.10.1007/s00330-013-2823-0'

RDF/XML is a standard XML format for linked data.

curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/pub.10.1007/s00330-013-2823-0'


 

This table displays all metadata directly associated to this object as RDF triples.

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