Reproductibility of Lumbar Spine ADC Based on Different Post-processing Softwares

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

98 participants

Study Classification

OBSERVATIONAL

Study Start Date

2015-04-01

Study Completion Date

2015-11-16

Brief Summary

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Lumbar spine bone marrow is well explored in Magnetic Resonance Imaging (MRI) but some bone marrow diseases are hard to analyze with this method. Furthermore, there is heterogeneity in normal bone marrow, called apparent diffusion coefficient (ADC). Histological and technical factors appear to be the cause, but the possible influence of the employed post-processing software has never yet been evaluated. The purpose of this study is to determine if there is variability in lumbar bone ADC related to the post-processing software.

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Detailed Description

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Lumbar spine bone marrow is well explored in MRI. Some bone marrow diseases are hard to analyze in conventional MRI, and diffusion-weighted imaging (DWI) could be an additional diagnostic feature. However, according to the literature, there is heterogeneity in normal bone marrow of the quantitative parameter that it provides, called apparent diffusion coefficient (ADC). Histological and technical factors appear to be the cause, but the possible influence of the employed post-processing software has never yet been evaluated. The purpose of this study is to determine if there is variability in lumbar bone ADC related to the post-processing software.

Conditions

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Low Back Pain

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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3T patients : Calculate the ADC scores

In this group all the patients perform a 3 Tesla RMI. With these data, three methods will be used to calculate the ADC score : Siemens, PACS (picture archiving and communication system) Carestream, Osirix. The ADC scores obtained with these three post-processing softwares will be compared.

Calculate the ADC scores

Intervention Type OTHER

The MRI will be performed on the two groups of patients in the usual care. The intervention will be based on the ADC scores calculation. The scores will be obtained with three types of post-processing softwares : Siemens, PACS Carestream, Osirix.

1.5T patients : Calculate the ADC scores

In this group all the patients perform a 1,5 Tesla RMI. With these data, three methods will be used to calculate the ADC score : Siemens, PACS Carestream, Osirix. The ADC scores obtained with these three post-processing softwares will be compared.

Calculate the ADC scores

Intervention Type OTHER

The MRI will be performed on the two groups of patients in the usual care. The intervention will be based on the ADC scores calculation. The scores will be obtained with three types of post-processing softwares : Siemens, PACS Carestream, Osirix.

Interventions

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Calculate the ADC scores

The MRI will be performed on the two groups of patients in the usual care. The intervention will be based on the ADC scores calculation. The scores will be obtained with three types of post-processing softwares : Siemens, PACS Carestream, Osirix.

Intervention Type OTHER