脊髄低度性膠原腫と診断された小児と成人における長期生存率を予測する新しいリスク計算器: 全国的な分析
Abdul Karim Ghaith1, Xinlan Yang1, Abdel-Hameed Al-Mistarehi1
1Johns Hopkins University, School of Medicine, Department of Neurosurgery.
まとめ
脊髄低度性膠原腫 (SLGG) の小児患者は,より大きな腫瘍の大きさにもかかわらず,成人に比べて著しく高い全生存率を示しています. 手術による切除は結果を改善しますが,放射線治療や化学療法では患者の選択により予後が悪くなる可能性があります.
科学分野:
- 神経腫瘍学
- 小児腫瘍学
- 臨床流行病学
背景:
- 低度の脊髄膠腫 (SLGGs) は,予後がよくない希少な中枢神経系腫瘍である.
- SLGGの結果とリスク因子の年齢による差異については,さらなる調査が必要である.
研究 の 目的:
- 小児と成人SLGG患者の治療方法と臨床結果を比較する.
- SLGG患者における長期生存の危険因子を予測モデルを用いて特定する.
主な方法:
- 国立がんデータベース (NCDB) の884人のSLGG患者 (グレードI-II) の遡及コホート研究.
- 患者は小児 (≤21歳) と成人 (≥21歳) に分かれました.
- カプラン・マイヤー曲線とコックス回帰を用いて分析された全生存率 (OS); 機械学習モデルは死亡リスクを予測した.
主要な成果:
- 小児のSLGG患者は,より大きな腫瘍にもかかわらず,著しく改善された生存率 (8. 2%対36. 8%の死亡率,p< 0. 001) を示した.
- 手術による切除 (GTR/ STR) は両群のOSを改善した (p=0. 0015).
- 放射線治療は成人 (47. 8% 対 19. 1%) で,化学療法が小児患者 (18. 4% 対 11. 7%) で,どちらもOSの低下と関連していました.
結論:
- 小児のSLGG患者は成人と比較して生存率が優れている.
- 手術による切除は生存率の改善の重要な要因であり,放射線/化学療法と死亡率の関連性は,患者の選択を反映している可能性が高い.
- 高い併発症率,放射線のみ,移動距離は死亡率の重要な予測要因であり,個別化された治療の必要性を強調しています.
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