The Bethesda System for Reporting Thyroid Cytopathology: Risk of Malignancy and Recommended Clinical Management
| Diagnostic Category | Risk of Malignancy (%)** | Usual Management |
|---|---|---|
| Nondiagnostic or unsatisfactory | 5-10 | Repeat FNA with ultrasound guidance |
| Benign | 0-3 | Clinical follow-up |
| Atypia of undetermined significance or follicular lesion of undetermined significance | 6-18 | Repeat FNA, molecular testing, or lobectomy |
| Follicular neoplasm or suspicious for a follicular neoplasm | 10-40 | Molecular testing, Lobectomy |
| Suspicious for malignancy | 45-60 | Near total thyroidectomy or lobectomy |
| Malignant | 94-96 | Near total thyroidectomy or lobectomy |
|
FNA-fine needle aspiration
*Adapted with permission from Cibas and Ali ( 62 ) | ||
When NIFTP is not considered cancer
From: Fine-Needle Aspiration of the Thyroid Gland
This electronic version has been made freely available under a Creative Commons (CC-BY-NC-ND) license. A copy of the license can be viewed at http://creativecommons.org/licenses/by-nc-nd/2.0/.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.