Application of Magnetic Resonance Fat-Free Imaging

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

TERMINATED

Total Enrollment

2 participants

Study Classification

OBSERVATIONAL

Study Start Date

2009-07-31

Brief Summary

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Magnetic resonance imaging (MRI) is presently the best study for assessing the size and extent of the patient's sarcoma. Many sarcomas contain fat that can interfere with the accuracy of sarcoma detection. The investigators have developed a new MRI method that can suppress all the fat signals in the patient's tumor and this may improve the investigators' ability to see the patient's sarcoma. The purpose of this study is to determine if the investigators' new fat-free imaging methods provides them with images that are better than, equal to, or worse than those images obtained by standard MRI methods. This study may help the investigators develop a more accurate MRI examination.

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Detailed Description

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In addition, we will perform the same scans on 4 volunteers who have no history of sarcoma. Scanning volunteers will allow us to optimize the imaging technique by 1.) Determine the best combination of pulse-sequence and magnetization transfer technique to obtain the greatest contrast and 2.) Determine the parameters of repetition time (TR), echo time (TE) and magnetization transfer time and power in order to reduce overall image acquisition time while optimizing image quality. Honing this technique on volunteers will allow us to decrease scan time and potential discomfort for patients.

Conditions

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Sarcoma

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Pts/volunteers getting regular MRI exam

Fat-free MRI images utilizing standard magnetization transfer imaging will be acquired on 10 patients known or suspected sarcoma of the of the extremity or trunk, in addition to their traditional clinical MRI. In addition, we will perform the same scans on 4 volunteers who have no history of sarcoma.

Fat-free MRI images utilizing standard magnetization, Questionnaire before the MRI exam

Intervention Type PROCEDURE

In addition to the traditional MRI exam for clinical use, a fat-free MRI based on standard magnetization transfer magnetic resonance imaging will be acquired. Pts will spend 20 extra minutes and 20 minutes total for volunteers in the MRI scanner. Patients/volunteers will complete the MR Screening Questionnaire before the MRI exam.

Interventions

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Fat-free MRI images utilizing standard magnetization, Questionnaire before the MRI exam

In addition to the traditional MRI exam for clinical use, a fat-free MRI based on standard magnetization transfer magnetic resonance imaging will be acquired. Pts will spend 20 extra minutes and 20 minutes total for volunteers in the MRI scanner. Patients/volunteers will complete the MR Screening Questionnaire before the MRI exam.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Participant is capable of providing verbal consent.
* 18 years of age or older.
* Participants will belong to one of the following two categories:
* Patient with a known or suspected soft tissue sarcoma of the extremity or trunk who is/will be scheduled for an MRI scan as part of their routine care, -OR--
* Volunteer with no history of sarcoma.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes