Oct 26 – Nov 1, 2026 · 6 new studies, 5 reviews · Orthopaedic Oncology archive · All weeks
The new Orthopaedic Oncology research The Reduction sent the week of Oct 26 – Nov 1, 2026, with the week’s most recent reviews, each with a one-line summary.
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In 137 limb dedifferentiated liposarcoma patients, those with positive margins confined to the low-grade component and no radiation had no recurrences or metastases, suggesting marginal excision without radiation may be safe in select cases.
Open-source LLMs extracted six variables from sarcoma pathology reports with at least 85% accuracy in under a second per item, supporting automated registry abstraction in this single-institution pilot.
In 42 pediatric giant cell tumors of bone, local recurrence was high (45%) and trended higher with open physes; bone marrow edema on preoperative MRI was associated with more recurrence.
Among 338 patients with major complications after metastatic spine surgery, 21% died within 30 days; a six-predictor model (emergency surgery, smoking, albumin, dependence) discriminated moderately well (AUC 0.74) but needs external validation.
Longitudinal trajectories and determinants of urinary outcomes after spinal ependymoma surgery.
In 55 spinal ependymoma resections, urinary dysfunction peaked at discharge (20%) and improved to 12.7% by 12 months; subtotal resection and intraoperative neuromonitoring changes predicted early dysfunction, and early catheter dependency was not a poor prognostic sign.
Case report of a 46-year-old woman with CIC-rearranged sarcoma of the arm and tumor thrombus extending from the brachial to the internal jugular vein, the first extremity case, underscoring the need for molecular diagnosis.
Emerging Concepts in Periprosthetic Joint Infection Research: Intracellular Organisms.
This review explains how staphylococcal small colony variants can invade and hide inside host cells, evading antibiotics and potentially causing late PJI recurrence or metastatic infection, and why this matters for developing better eradication strategies.
Sarcoma: Last Year's Practice Changing Papers.
Summarizes seven practice-changing sarcoma papers from 2023-2024, including hypofractionated radiotherapy, nirogacestat for desmoid tumors, new systemic combinations, and better outcomes at high-volume centers.
Controversies in orthopaedic oncology.
Summarizes debates from the 2024 Birmingham Orthopaedic Oncology Meeting on chondrosarcoma management and periprosthetic joint infection in oncologic reconstructions, aiming for global consensus and future research priorities.
Review of percutaneous pelvic stabilization for metastatic pathologic fractures of the pelvis and acetabulum; early series show acceptable complications and meaningful pain and function gains with less morbidity than open reconstruction.
Evidence-based review giving surgical oncologists a framework to adapt treatment of GIST, extremity/truncal sarcoma, and retroperitoneal sarcoma when COVID-19 limits access to surgery.
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