ACR Appropriateness Criteria Follow-up of Malignant or Aggressive Musculoskeletal Tumors

This is a clinical practice guideline for the follow up of malignant or aggressive musculoskeletal tumours. The guideline discusses the timing of surveillance and the type of imaging used, with a focus on FDG-PET/CT and MRI, as well as ultrasound, X-ray, and Tc-99m bone scan. Sensitivity, specificity, recurrence rate, and survival (overall and progression-free) are all considered as outcomes.