Correlation between MRI template and tumor resection for safety margin: a retrospective study.

Area of Science:

• Orthopedic Oncology
• Radiology
• Surgical Pathology

Background:

• Accurate assessment of resection margins is critical for bone tumor surgery outcomes.
• Preoperative magnetic resonance imaging (MRI) provides valuable insights but its correlation with histopathology is underexplored.

Purpose of the Study:

• To evaluate the correlation between preoperative MRI tumor measurements and postoperative histopathological findings in long bone sarcomas.
• To assess the accuracy of different MRI modalities (T1, T2, contrast) in predicting tumor size for surgical planning.

Main Methods:

• Retrospective cohort study of 47 patients with long bone sarcomas.
• Analysis of preoperative MRI scans (T1, T2, contrast) and corresponding histopathological evaluations.
• Statistical comparison of tumor measurements using SAS 9.4 with summary statistics and t-tests.

Main Results:

• Mean differences between MRI and histopathology were 2.04 cm (T1), 1.92 cm (T2), and 1.55 cm (contrast).
• No significant variations in tumor measurements were found between different MRI modalities.
• Most observed differences between MRI modalities and histopathology were less than or equal to 2 cm.

Conclusions:

• Optimizing MRI utilization and surgical planning protocols is essential for enhancing bone tumor surgery accuracy.
• Integrating MRI findings with histopathological evaluations can improve patient outcomes in orthopedic oncology.
• Further research into margin analysis and MRI-histopathology correlation is needed.