原发纵隔大 B 细胞淋巴瘤

预约门诊

分期

如果确诊为原发纵隔大 B 细胞淋巴瘤（PMBCL），下一步是确定癌症的扩散程度。这称为分期。可能使用影像学检查和活检来确定 PMBCL 的分期。医护团队根据分期来制定治疗计划。较高的分期意味着癌症处于较晚期。

PMBCL 的分期为 1 期到 4 期：

  • 1 期。 癌症通常累及单个区域。
  • 2 期。 癌症累及纵隔及邻近淋巴结。
  • 2 期巨块型。 如果胸部肿块大于 10 厘米（约 4 英寸），医疗护理专业人员可能用这一术语描述 PMBCL。
  • 3 期。 癌症处于更晚期阶段，累及横膈膜两侧的淋巴结区域。
  • 4 期。 癌症已转移至淋巴结以外的远处器官，如肺部。
申请预约
诊断与治疗生存率
May 20, 2026

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  2. Aster JC, et al. Primary mediastinal large B-cell lymphoma. https://www.uptodate.com/contents/search. Accessed Dec. 17, 2025.
  3. Brown JR, et al. Pathobiology of diffuse large B-cell lymphoma and primary mediastinal large B-cell lymphoma. https://www.uptodate.com/contents/search. Accessed Dec. 17, 2025.
  4. Hsi ED, et al., eds. Diffuse aggressive B-cell lymphomas. In: Hematopathology: Foundations in Diagnostic Pathology. 4th ed. Elsevier; 2026. https://www.clinicalkey.com. Accessed Dec. 17, 2025.
  5. Mediastinum. Dorland's Medical Dictionary Online. https://www.dorlandsonline.com. Accessed Dec. 17, 2025.
  6. Paulson CL. Allscripts EPSi. Mayo Clinic. July 15, 2025.

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