Tumors of thyroid and metastatic pathways for common thyroid tumors

Tumors of thyroid and metastatic pathways for common thyroid tumors

Thyroid tumors (WHO 2017)

• Follicular adenoma

• Hyalinizing trabecular adenoma

• Encapsulated follicular patterned thyroid tumors

  • Follicular tumors of malignant potential

  • Well differentiated tumor of uncertain malignant potential

  • Non-invasive follicular thyroid neoplasm with papillary – like nuclear features

• Papillary carcinoma

• Follicular carcinoma

• Hurthle cell tumors

  • Hurthle cell adenoma

  • Hurthle cell carcinoma

• Poorly differentiated thyroid carcinoma

• Anaplastic thyroid carcinoma

• Squamous cell carcinoma

• Medullary carcinoma

• Mucoepidermoid carcinoma

• Mucinous carcinoma

• Ectopic thymoma

• Ectopic thymic carcinoma

• Other rare tumors

  • Paraganglioma

  • Peripheral nerve sheath tumors

  • Vascular tumors

  • Mesenchymal tumors

  • Hematolymphoid tumors

  • Germ cell tumors

• Secondary tumors

Spread of the common thyroid tumors

Reference

• Lloyd : WHO Classification of Tumors of Endocrine organs (IARC WHO Classification of Tumors), 4 th Edition, 2017