Evaluation of diabetic foot infection in nuclear medicine

The Quarterly Journal of Nuclear Medicine and Molecular Imaging : Official Publication of the Italian Association of Nuclear Medicine (AIMN) [and] the International Association of Radiopharmacology (IAR), [and] Section of the Society of Radiopharmaceutica
Sherif Heiba, Karin Knešaurek

Abstract

Diabetic foot infection is not only the most common cause of hospitalization among diabetic patients, but is also associated with high morbidity, mortality and major utilization of the resources. Managing diabetic patients with suspected foot infection is highly dependent on an early and accurate determination of its presence and location. Medical imaging is often used in the workup of these patients, as clinical diagnosis of osteomyelitis is often difficult, and invasive bone biopsy is infrequently used due to many limitations. In this article, we review the role and accuracy of commonly used medical imaging modalities in the evaluation of diabetic patients with suspected foot infection including osteomyelitis with particular emphasis on molecular nuclear medicine imaging. The impact of imaging on patients' management is also discussed. We finally comment on possible future directions in hybrid molecular imaging techniques.

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