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Published on: June 13, 2018
Indeterminate nodules in osteosarcoma: what's the follow-up?
K M Ghosh1, L H Lee1, T B Beckingsale1
1Newcastle Upon Tyne Hospitals NHS Foundation Trust, Freeman Hospital, Newcastle Upon Tyne NE7 7DN, UK.
British Journal of Cancer
|January 31, 2018
Summary
Indeterminate pulmonary nodules in osteosarcoma patients are common and can develop into metastases. However, patients with these nodules have a better prognosis than those with confirmed metastases, highlighting a diagnostic challenge.
Area of Science:
- Oncology
- Pulmonary Medicine
- Radiology
Background:
- Indeterminate pulmonary nodules pose a challenge in staging and prognosis for osteosarcoma patients.
- Accurate interpretation is crucial for effective patient management.
Purpose of the Study:
- To investigate the clinical significance of indeterminate pulmonary nodules in osteosarcoma.
- To determine the prognostic implications of these findings.
Main Methods:
- Retrospective cohort study of 120 osteosarcoma patients.
- Review of chest computed tomographies (CTs) for nodule incidence.
- Analysis of follow-up scans, survival data, and prognostic features.
Main Results:
- 25% of patients presented with indeterminate pulmonary nodules.
- 33% of indeterminate nodules were confirmed as metastases, often within a year.
- Patients with indeterminate nodules had better survival than those with frank metastases.
Conclusions:
- Indeterminate nodules represent a diagnostic dilemma in osteosarcoma.
- Close monitoring is recommended, especially during the first year post-presentation.
- Metastases can develop later than five years from initial presentation.

