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Proton density water fraction as a biomarker of bone marrow cellularity: validation in ex vivo spine specimens.

Abstract：

:The purpose of this study was to evaluate a magnetic resonance imaging (MRI) technique for quantifying the proton density water fraction (PDWF) as a biomarker of bone marrow cellularity. Thirty-six human bone marrow specimens from 18 donors were excised and subjected to different measurements of tissue composition: PDWF quantification using a multiple gradient echo MRI technique, three biochemical assays (triglyceride, total lipid and water content) and a histological assessment of cellularity. Results showed a strong correlation between PDWF and bone marrow cellularity from histology (r=0.72). A strong correlation was also found between PDWF and the biochemical assay of water content (r=0.76). These results suggest the PDWF is a predictor of bone marrow cellularity in tissues and can provide a non-invasive assessment of bone marrow changes in clinical patients undergoing radiotherapy.

journal_name

Magn Reson Imaging

journal_title

Magnetic resonance imaging

authors

MacEwan IJ,Glembotski NE,D'Lima D,Bae W,Masuda K,Rashidi HH,Mell LK,Bydder M

doi

10.1016/j.mri.2014.03.005

subject

Has Abstract

pub_date

2014-11-01 00:00:00

pages

1097-101

issue

9

eissn

0730-725X

issn

1873-5894

pii

S0730-725X(14)00087-3

journal_volume

32

pub_type

杂志文章

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