Research Article
Subclassification of the “Grey Zone” of Thyroid Cytology; A Retrospective Descriptive Study with Clinical, Cytological, and Histological Correlation
Table 1
Histologic followup of cases.
| | | AUS (242 cases) | FL (74 cases) | | | 45 | 18.6% | 36 | 48.6% |
| | Benign | 26 | 57.8% | 33 | 91.6% | | Follicular adenoma | 5 | 19.2% | 16 | 48.5% | | Hurtle cell adenoma | 4 | 15.4% | 9 | 27.3% | | Nodular hyperplasia | 11 | 43.3% | 7 | 21.2% | | Hashimoto thyroiditis | 4 | 15.4% | 1 | 3% | | De Quervain thyroiditis | 1 | 3.8% | — | — | | Reactive nodule | 1 | 3.8% | — | — |
| | Malignant | 19 | 42.2% | 3 | 8,4% | | Papillary carcinoma classic type | 14 | 73.7% | 1 | 33.3% | | Follicular variant of papillary carcinoma | 3 | 15.8% | 1 | 33.3% | | Follicular carcinoma | 2 | 10.5% | 1 | 33.3% |
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AUS: atypia of undetermined significance; FL: follicular lesion.
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