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| Flow pattern | Total (N=366) | Colloid (N=200) | PTC (N=166) | P value |
|---|---|---|---|---|
| No flow | 68 (18.6) | 30 (15.0) | 38 (22.9) | 0.13 |
| Perinodular only | 56 (15.3) | 30 (15.0) | 26 (15.7) | |
| Intranodular only | 111 (30.3) | 58 (29.0) | 53 (31.9) | |
| Diffuse | 20 (5.5) | 14 (7.0) | 6 (3.6) | |
| Both intranodular and perinodular | 111 (30.3) | 68 (34.0) | 43 (25.9) |
Values presented as N (%). PTC, papillary thyroid carcinoma.
