Difference between revisions of "Thyroid cancer staging"

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(lymph node criteria changed 8th ed)
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|pT3
|pT3
| >4 cm and limited to thyroid ''or'' "minimal" extrathyroidal extension
| >4 cm and limited to thyroid (pT3a) ''or'' extension into strap muscles (e.g sternothyroid m., sternothyroid, thyrohyoid, omohyoid) (pT3b)
| "minimal" extrathyroidal extension = sternothyroid m. or perithyroidal tissue
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| pN1a
| pN1a
| metastasis to level VI
| metastasis to level VI or VII
| level VI = pretracheal, paratracheal, prelaryngeal/Delphian, perithyroidal
| level VI = pretracheal, paratracheal, prelaryngeal/Delphian, perithyroidal; VII = mediastinal lymph nodes
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| pN1b
| pN1b
| metastasis to level I, II, III, IV, V, or retropharyngeal, mediastinal lymph nodes (VII)
| metastasis to level I, II, III, IV, V, or retropharyngeal
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