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Imaging barium-free bone cement

D A Fehrman¹, A A McBeath, A A DeSmet

¹Department of Radiology, University of Wisconsin, Madison, USA.

American Journal of Orthopedics (Belle Mead, N.J.)

|February 1, 1996

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Before 1972, polymethylmethacrylate (PMMA) lacked barium sulfate, making it radiolucent. A new magnetic resonance imaging technique is presented for effectively visualizing this barium-free PMMA.

Area of Science:

Medical Imaging
Materials Science

Background:

Polymethylmethacrylate (PMMA) used before 1972 was radiolucent due to the absence of barium sulfate.
Radiolucent materials pose challenges for clear visualization in medical imaging.

Purpose of the Study:

To describe a novel magnetic resonance imaging (MRI) technique.
To demonstrate the utility of this technique for imaging barium-free PMMA.

Main Methods:

Utilized magnetic resonance imaging (MRI).
Developed a specific protocol for imaging materials lacking radiopaque additives.

Main Results:

The described MRI technique successfully visualized barium-free PMMA.
The method proved effective for imaging this specific type of radiolucent material.

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Conclusions:

MRI can be effectively employed to image older, barium-free polymethylmethacrylate.
This technique offers a valuable solution for identifying and characterizing radiolucent PMMA implants or materials.