Thymoma
A neoplasm originating from thymic tissue, usually benign, and frequently encapsulated. Although it is occasionally invasive, metastases are extremely rare. It consists of any type of thymic epithelial cell as well as lymphocytes that are usually abundant. Malignant lymphomas that involve the thymus, e.g., lymphosarcoma, Hodgkin's disease (previously termed granulomatous thymoma), should not be regarded as thymoma. (From Stedman, 25th ed)
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Subheadings:
Tree Number(s): C04.557.435.850, C04.588.894.949.500, C15.604.861.800
MeSH Unique ID: D013945
Entry Terms:
- Thymomas
- Carcinoma, Thymic
- Carcinomas, Thymic
- Thymic Carcinoma
- Thymic Carcinomas