Thyroid Anaplastic Carcinoma
- Thyroid Anaplastic Carcinoma is a type of malignant neoplasm of the thyroid gland whose cell of origin is the thyroid follicular epithelial cell.
- Gross Appearance
- Thyroid Anaplastic Carcinoma may be visible as a rapidly growing mass in the neck.
- Histological Appearance
- Neoplasms are composed of small anaplastic cells of variegated appearance in multiple architectural patterns. Neoplastic cells are highly invasive and rapidly grow past the thyroid capsule.
- Thyroid anaplastic carcinomas are malignant, rapidly metastasize, and consequently possess extremely poor prognoses. Clinical consequences mostly arises from local invasion into adjacent neck structures.