Thyroid cancer staging
Revision as of 13:22, 13 November 2015 by Michael (talk | contribs) (Created page with "'''Thyroid cancer staging''' is done with the TNM staging system. ==TNM staging system== ===Tumour stage ''not'' including ''anaplastic carcinoma''=== {| class="wikitable...")
Thyroid cancer staging is done with the TNM staging system.
TNM staging system
Tumour stage not including anaplastic carcinoma
| T stage | Size/criteria | Other requirements | Comment |
|---|---|---|---|
| pT1a | 1 cm or less | limited to thyroid | very common |
| pT1b | >1 cm and <2 cm | limited to thyroid | |
| pT2 | >2 cm and <4 cm | limited to thyroid | |
| pT3 | >4 cm and limited to thyroid or "minimal" extrathyroidal extension | "minimal" extrathyroidal extension = sternothyroid m. or perithyroidal tissue | |
| pT4a | any size | any of the following: subcutaneous tissue, trachea, esophagus, larynx, recurrent laryngeal nerve | |
| pT4b | any size | any of the following: mediastinal vessels, encasing carotid artery, prevertebral fascia |