![]() ![]() Therefore, image registration is simplified as the immobilization of the animal and fiducials together helps in translating from one image coordinate system to another. The use of dental material also greatly enhances the use of fiducial markers that can be embedded in the mold. ![]() Each material had no detectable signal using electron paramagnetic resonance imaging at 9 mT. A negligible effect was seen near the ends of the coil. A water phantom placed inside the cast was used at 4.7 T with magnetic resonance imaging and showed no effect at the center of the image when compared with images without the cast. Four different materials were examined to identify any potential artifacts using magnetic resonance techniques. We present the use of vinyl polysiloxane dental impression material for immobilization of mice for imaging. ![]() This has a negative impact on the potential for accurate analysis of serial or multimodality imaging. However, in small-animal imaging, immobilization is often overlooked or done in a way that is not conducive to reproducible positioning. Custom disposable patient immobilization systems that conform to the patient's body contours are commonly used to facilitate accurate repeated patient setup for imaging and treatment in radiation therapy. ![]()
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