Journal of Rehabilitation Research & Development (JRRD)

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Examination of anticipated chemical shift and shape distortion effect on materials commonly used in prosthetic socket fabrication when measured using MRI: A validation study

Mohammad Reza Safari, PhD, et al.

Figure 2. Three-dimensional chromo-depth volume render of materials.

The quality of lower-limb prosthetic socket fit is influenced by shape and volume consistency during the residual limb shape-capturing process (i.e., casting). Casting can be quantified with magnetic resonance imaging (MRI) technology. We investigated the repeatability of MRI, the chemical shift artifact, and image distortion of seven different commonly used prosthetic materials in MRI images. The results show that MRI is an accurate and repeatable method for dimensional measurement when using matter containing water. Additionally, silicone and plaster of paris plus 1 g/L copper sulfate do not show a significant shape distortion or interfere with the MRI image of the residual limb.

Volume 50 Number 1, 2013
   Pages 31 — 42


View HTML  ¦  View PDF  ¦  Contents Vol. 50, No. 1
This article and any supplemental material should be cited as follows:
Safari MR, Rowe P, Buis A. Examination of anticipated chemical shift and shape distortion effect on materials commonly used in prosthetic socket fabrication when measured using MRI: A validation study. J Rehabil Res Dev. 2013;50(1):31–42.
http://dx.doi.org/10.1682/JRRD.2011.09.0159
ResearcherID: Mohammad Reza Safari, PhD: A-7999-2013; Philip Rowe, PhD: A-8814-2013; Arjan Buis, PhD: A-8118-2013
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Last Reviewed or Updated  Monday, March 11, 2013 1:55 PM

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