Surgical Pathology Criteria

Thymic Carcinoma

Supplemental Studies

Immunohistology

Epithelial cell staining (thymocytes and T cells are CD5 positive and B cells are PAX8 positive)
  CD5 CD117 CD57 PAX8
Thymoma (except B3) neg 4% pos 90-100%
B3 Thymoma / Atypical Thymoma 50% <10% pos 90%
Thymic Carcinoma 70-100% >80% rare 77%

 

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