Table 1.

Clinicopathological features at diagnosis of 87 patients with medullary thyroid cancer (MTC).

Parameter	N = 87
Age, years (mean ± SD)	48.3 ± 18.6
Gender, female n. (%)	59 (67.8)
Sporadic MTC, n. (%)	52 (59.8)
Tumor size (mm), median (25–75 IQR)	10 (6–17)
Total thyroidectomy with central LN dissection, n. (%)	60 (69)
Total thyroidectomy with both central and lateral LN dissection, n. (%)	27 (31)
Bilateral tumor, n. (%)	17 (19.5)
Multifocal tumor, n. (%)	21 (24.1)
N0, n. (%)	70 (80.5)
N1a, n. (%)	11 (12.6)
N1b, n. (%)	6 (6.9)
LN = lymph node