Evaluation Of Cervical Spondylosis Using 0.2 Tesla Axial T2 And Axial 3d Fiesta Magnetic Resonance Imaging Sequences

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ABSTRACT

The purpose of this study was to compare the accuracy of axial T2 and axial 3D FIESTA

magnetic resonance imaging (MRI) sequences in the evaluation of cervical spondylosis.The

specific objectives were to: (i) compare the accuracy of axial T2 and axial 3D FIESTA MRI

sequences in the diagnosis of cervical spondylosis, (ii) compare the quality of images (signal-tonoise

ratio, contrast-to-noise ratio and artefact due to flow) produced from both sequences and

(iii) ascertain the association of cervical spondylosis with sex and age in the studied population.

This was a cross sectional study carried out at radiology department of Usman Danfodiyo

University Teaching Hospital,Sokoto. Eighty subjects from 30 years and abovewere selected

using convenience sampling method. Images of axial T2, axial T1, sagittal T1, sagittal T2 and

axial 3D FIESTA sequences were acquired for each subject usinga General Electric 0.2 Tesla

closed magnet MRI scanner with serial No: GE Signal “R” profile “M” HD5177477-100sS. Axial

T2 and axial 3D FIESTA images were read and were assessed qualitatively using the five point

Likert scale. The images were assessed for visibility of anatomical structures, quality of image in

terms of signal-to-noise ratio, contrast-to-noise ratio and sensitivity to artefacts due to flow of

fluid (blood and cerebrospinal fluid). Also indicators of cervical spondylosis were assessed

qualitatively. Statistical Package for Social Science version 21 was used in the analysis of the

generated data. Wilcoxon Sign Rank Test was used to compare the quality of images produced by

both sequences. Regression analysis was used to assess the association of indicators of cervical

spondylosis with sex and age. The median scores for axial T2 and axial 3D FIESTA sequences

with respect to visibility of anatomical structures were 25.00 and 25.00,Wilcoxon Sign Rank Test

showed no significant difference between them at 0.168 (p

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