Human pathology

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thyroid tumors

I. Thyroid epithelial tumours

A. Thyroid tumors of follicular or metaplastic epithelium

- thyroid follicular tumors

- thyroid papillary carcinoma (TPC)

  • papillary microcarcinoma
  • follicular variant
  • diffuse sclerosing variant

- thyroid undifferentiated tumors (thyroid anaplastic tumors)
- thyroid poorly differentiated thyroid carcinoma
- thyroid columnar cell carcinoma
- thyroid mucoepidermoid carcinoma

- others thyroid adenomas

B. Tumors showing c-cell differentiation

- thyroid medullary carcinoma

C. Tumors showing both follicular and C-cell differentiation

- mixed medullary-follicular carcinoma

D. Thymic and related branchial pouch tumors of the thyroid

- SETTLE (spindle epithelial tumor with thymus-like differentiation)

II. mesenchymal tumors of the thyroid

III. thyroid lymphomas

IV. Miscellaneous tumours

Classification

- thyroid carcinomas

- Hurthle cell tumors

- C cells tumors

  • C cell hyperplasia
  • medullary thyroid carcinoma

See also

- thyroid tumorigenesis