The prognosis for patients with bone sarcoma treated with LSS has improved considerably over the past 2 decades, but this has also lead to an increase in the number of complications requiring treatment. Imaging plays an important role, not only in assessing the primary tumour, but also in identifying postsurgical complications. Plain radiography demonstrates the majority of the complications associated with LSS and remains the mainstay of follow-up imaging. Complications such as fractures are common and warrant frequent plain film follow-up. Imaging with scintigraphy, MRI and CT should be tailored to the patient's clinical history, type of surgery and suspected complications. A baseline postoperative bone scan examination can be helpful for comparisons with subsequent scans for the detection of complications. Sonography should be considered if infection is suspected. Finally, tumour recurrence may be frequent enough to consider more extensive use of MRI.
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