Thymic carcinoma staging

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Masaoka TNM Staging (1999)

[1]

Original Masaoka Staging (1991)

  • Stage I - Macroscopically and microscopically completely encapsulated
  • Stage II - Macroscopic invasion into surrounding fatty tissues or mediastinal pleura or microscopic invasion into the capsule
  • Stage III - Macroscopic invasion into adjacent organs or intrathoracic metastases
  • Stage IVA - Pleural or pericardial implants/dissemination
  • Stage IVB - Nodal or hematogenous metastases

GETT Staging

  • Stage IA - Encapsulated, completely resected.
  • Stage IB - Macroscopically completely resected but suspicion of mediastinal adhesions or potential capsular invasion at surgery.
  • Stage II - Invasive tumor, completely resected.
  • Stage IIIA - Invasive tumor, subtotal resection.
  • Stage IIIB - Invasive tumor, biopsy alone.
  • Stage IVa - Supraclav or pleural met.
  • Stage IVb - Distant metastases.[1]
  1. ↑ 1.0 1.1 "Thymectomy and malignancy. [Eur J Cardiothorac Surg. 1994] -PubMed - NCBI".
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