Table 1 Clinical features of patients with papillary tumor
Variable | Total; N = 61 | Delphian lymph node involvement | P-value* | ||
|---|---|---|---|---|---|
Positive; n = 13 | Negative; n = 48 | ||||
Age (years); mean ± SD | 38.2 ± 12.0 | 39.2 ± 13.2 | 37.9 ± 11.7 | 0.743 | |
Age group; n (%) | ≤ 30 | 22 (36.1) | 5 (38.5) | 17 (35.4) | 0.803 |
31–40 | 18 (29.5) | 3 (23.1) | 15 (31.3) | ||
41–50 | 10 (16.4) | 3 (23.1) | 7 (14.6) | ||
51–60 | 8 (13.1) | 1 (7.7) | 7 (14.6) | ||
> 60 | 3 (4.9) | 1 (7.7) | 2 (4.2) | ||
Gender; n (%) | Male | 16 (26.2) | 4 (30.8) | 12 (25.0) | 0.728 |
Female | 45 (73.8) | 13 (69.2) | 36 (75.0) | ||
Location of mass; n (%) | Right | 31 (50.8) | 8 (61.5) | 23 (47.9) | 0.240 |
Left | 21 (34.4) | 1 (7.7) | 20 (41.7) | ||
Bilateral | 9 (14.8) | 4 (30.8) | 5 (10.4) | ||
Lymphatic involvement; n (%) | Same side of mass | 9 (14.8) | 8 (61.5) | 1 (2.1) | < 0.001 |
The opposite side of mass | 4 (6.6) | 3 (23.1) | 1 (2.1) | 0.041 | |
Central lymph node | 15 (26.3) | 9 (69.2) | 6 (12.5) | < 0.001 | |
Tumor size (centimeter); mean ± SD | 2.1 ± 1.6 (0.2–7.9) | 2.4 ± 1.3 | 2.0 ± 1.7 | 0.428 | |
Tumor size group; n (%) | ≤ 1 cm | 17 (29.8) | 3 (27.3) | 14 (30.4) | 1.000 |
> 1 cm | 40 (70.2) | 8 (72.7) | 32 (69.6) | ||
Tumor characteristics; n (%) | Multifocal | 15 (24.6) | 6 (46.2) | 9 (18.8) | 0.067 |
Vascular invasion | 23 (37.7) | 9 (69.2) | 14 (29.2) | 0.012 | |
Capsule invasion | 30 (49.2) | 6 (46.2) | 24 (50.0) | 0.806 | |
Perineural invasion | 5 (8.2) | 1 (7.7) | 4 (8.3) | 1.000 | |
Pathology; n (%) | Classical | 48 (78.7) | 12 (92.3) | 36 (75.0) | 0.875 |
Follicular | 9 (14.8) | 1 (7.7) | 7 (16.7) | ||
Medullary/papillary microcarcinoma | 1 (1.6) | 0 (0) | 1 (2.1) | ||
Tall cell | 1 (1.6) | 0 (0) | 1 (2.1) | ||
Tall cell and follicular | 1 (1.6) | 0 (0) | 1 (2.1) | ||