Thyroid adenoma classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Roukoz A. Karam, M.D.[2]
Overview
Classification
- Thyroid nodules may be classified according to TI-RADS (Thyroid Imaging Reporting and Date System) into 6 groups:[1]
Type | Description | Score | Risk of malignancy |
---|---|---|---|
TI-RADS 1 |
|
0 | 0% |
TI-RADS 2 |
|
0 | 0% |
TI-RADS 3 |
|
0 | < 5% |
TI-RADS 4a |
|
1 | 5 - 10% |
TI-RADS 4b |
|
2 | 10 - 50% |
TI-RADS 4c |
|
3 - 4 | 50 - 85% |
TI-RADS 5 |
|
5 or > | > 85% |
TI-RADS 6 |
|
- | 100% |
Reference
- ↑ Loh KC, Greenspan FS, Gee L, Miller TR, Yeo PP (1997). "Pathological tumor-node-metastasis (pTNM) staging for papillary and follicular thyroid carcinomas: a retrospective analysis of 700 patients". J. Clin. Endocrinol. Metab. 82 (11): 3553–62. doi:10.1210/jcem.82.11.4373. PMID 9360506.