SPECT/CT for medication-related osteonecrosis of the jaw with bone metastases of cancer: Maximum standardized uptake values comparison between jaw lesions and bone metastases

Introduction: Medication-related osteonecrosis of the jaw (MRONJ) is a complication of medication for bone metastases patients. This study aimed to examine SPECT/CT for MRONJ with bone metastases of cancer, especially maximum standardized uptake values (SUVmax) comparison between the jaw lesions and bone metastases.Methods: Thirty-one MRONJ patients with bone metastases of cancer underwent bone SPECT/CT, and the SUVmax were obtained with a workstation. The SUVmax of jaw lesions of MRONJ and bone metastases of cancer were compared in staging of MRONJ, location of MRONJ, primary cancer, location of bone metastases and medication for bone metastases.Results: The SUVmax of bone metastases of cancer (۳۳.۳±۲۷.۲) were significantly higher than those of jaw lesions of MRONJ (۱۷.۶±۱۰.۰, p = ۰.۰۰۱). Furthermore, the SUVmax for stage ۲, mandible, prostate cancer, vertebra and zoledronate were significantly different between the jaw lesions of MRONJ and bone metastases of cancer.Conclusion: This study indicated the SUVmax with SPECT/CT was different between the jaw lesions and bone metastases, and the data could be effective for the management in MRONJ patients with bone metastases.

کلیدواژه ها:

Bone Metastases ، Medication-related osteonecrosis of the jaw ، SPECT/CT