Malignant thyroid tumours

Sub-section: Thyroid Section: Endocrine

Types of cancer

• Thyroid follicular epithelial-derived cancers
  • Differentiated thyroid cancer
    • Papillary thyroid cancer (>80%)
    • Follicular thyroid cancer (10%)
  • Undifferentiated cancer
    • Anaplastic thyroid cancer (2%)
• Thyroid parafollicular or C cells-derived cancers
  • [Medullary thyroid cancer ]
• Other
  • Lymphoma (<1%)
    • Diffuse large B cell Lymphoma
    • MALT
    • Mixed type
    • Higher risks of lymphoma in patients with Hashimoto thyroiditis
  • Cancers metastasize to the thyroid include breast, colon, renal cancer, and melanoma.