Rule-derived preoperative inflammatory-lymphocyte recovery phenotype and pathological response in resected osteosarcoma: a retrospective cohort study - Scorecard - MDSpire
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Preoperative Inflammatory-Lymphocyte Recovery Profile and Its Association with Pathological Outcomes in Resected Osteosarcoma: A Retrospective Analysis

  • By

  • Yang Liu

  • Hua Huang

  • Ke Yang

  • Daxin Gao

  • Tian Hao

  • Haiyu Zhou

  • Yonghong Huang

  • September 7, 2026

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Clinical Scorecard: Preoperative Inflammatory-Lymphocyte Recovery Profile and Its Association with Pathological Outcomes in Resected Osteosarcoma: A Retrospective Analysis

At a Glance

CategoryDetail
ConditionOsteosarcoma
Key MechanismsPreoperative peripheral inflammatory-lymphocyte recovery phenotype associated with pathological response.
Target PopulationPatients with osteosarcoma undergoing neoadjuvant chemotherapy and definitive surgery.
Care SettingSingle-center retrospective cohort study.

Key Highlights

  • 54.3% of patients demonstrated poor pathological response.
  • Persistent recovery failure was associated with a higher risk of poor pathological response (OR 5.72).
  • Tumor necrosis <90% indicates poor response and greater relapse risk.
  • The phenotype model produced an AUC of 0.641, lower than the continuous T3 score (AUC 0.665).
  • External validation of findings is necessary.

Guideline-Based Recommendations

Diagnosis

  • Pathological response assessment post-surgery is critical for evaluating treatment success.

Management

  • Neoadjuvant chemotherapy followed by definitive surgery is standard for localized high-grade osteosarcoma.

Monitoring & Follow-up

  • Regular assessment of inflammatory-lymphocyte recovery during treatment may provide prognostic information.

Risks

  • Tumor necrosis below 90% is associated with increased relapse risk.

Patient & Prescribing Data

Patients diagnosed with osteosarcoma receiving neoadjuvant chemotherapy.

Dynamic changes in inflammatory and lymphocyte recovery may inform prognosis.

Clinical Best Practices

  • Utilize peripheral blood biomarkers to assess systemic inflammation and immune reserve.
  • Integrate recovery phenotype assessments into clinical evaluations.

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