Abstract
Objectives
Advances in radiopharmaceuticals and clinical understanding have escalated the use of intraoperative gamma probes in surgery. However, most probes on the market are non-imaging gamma probes that suffer from the lack of ancillary information of the surveyed tissue area. We have developed a novel, hand-held digital Imaging Beta Probe™ (IBP™) to be used in surgery in conjunction with beta-emitting radiopharmaceuticals such as 18FDG, 131I and 32P for real-time imaging of a surveyed area with higher spatial resolution and sensitivity and greater convenience than existing instruments.
Methods
We describe the design and validation of a hand-held beta probe intended to be used as a visual mapping device to locate and confirm excision of 18FDG-avid primary tumors and metastases in an animal model.
Results
We have demonstrated a device which can generate beta images from 18FDG avid lesions in an animal model.
Conclusions
It is feasible to image beta irradiation in animal models of cancer given 18FDG. This technology may be applied to clinical mapping of tumors and/or their metastases in the operating room. Visual image depiction of malignancy may aid the surgeon in localization and excision of lesions of interest.
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Internet and other references
IntraMedical Imaging LLC (Los Angeles, CA, USA). http://www.gammaprobe.com/products/betaprobe.
IntraMedical Imaging LLC (Los Angeles, CA, USA). http://www.intra-medical.com/beta.html.
Acknowledgments
This work was supported in part by the NIH (2 R44 CA096030-03A1). The authors would also like to thank Terrie Alpe from UAMS.
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Singh, B., Stack, B.C., Thacker, S. et al. A hand-held beta imaging probe for FDG. Ann Nucl Med 27, 203–208 (2013). https://doi.org/10.1007/s12149-012-0672-6
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DOI: https://doi.org/10.1007/s12149-012-0672-6