International Journal of Thyroidology

Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2466-1899   pISSN 2384-3799

Table. 1.

Table. 1.

Clinical characteristics of 707 lymph nodes (LNs) and 512 patients according to final LNs diagnosis

Characteristics Metastatic LNs Benign LNs p value
Patients (n=512)
Gender male/female (%) 55/83 (39.9/60.1) 107/267 (28.6/71.4) 0.020
Age (years) 47.6±16.7 47.3±14.3 0.771
LNs (total=707), (n, %) 214/707 (30.3) 493/707 (69.7)
Time of FNAC and washout Tg 0.777
Preoperative LNs (n/total, %) 91/214 (42.5) 204/493 (41.4)
Postoperative LNs (n/total, %) 123/214 (57.5) 289/493 (58.6)
US finding* 0.000
Suspicious (n/total, %) 122/214 (57.0) 80/493 (16.2)
Intermediate (n/total, %) 73/214 (34.1) 299/493 (60.7)
Benign (n/total, %) 19/214 (8.9) 114/493 (23.1)
Serum Tg (ng/mL) 27.1±76.6 (0.0-868.2) 22.5±91.2 (0.0-805.7) 0.516
Serum TgAb (IU/mL) 73.5±249.5 (0.1-1896.7) 68.1±164.6 (0.1-9480.1) 0.873
Washout Tg (ng/mL) 523.4±385.5 (0.0-1251.7) 31.4±140.9 (0.0-1074.0) 0.000
Washout Tg/serum Tg ratio 933.3±3185.9 (0.0-29802.3) 377.3±5247.9 (0.0-11277.3) 0.084
Discordant results between FNAC and washout Tg (n, %) 42 (19.6) 64 (13.0) 0.000

Data are expressed as mean±standard deviation or median (range) or number including percentage.

FNAC: fine needle aspiration cytology, Tg: thyroglobulin, TgAb: thyroglobulin antibody, US: ultrasonography

*US finding.

Suspicious; micro/macrocalcification, hyperechogenicity, cystic change, and abnormal vascularity.

Intermediate; loss of central hilar echo and absence of central hilar vascularity.

Benign; central hilar echo, central hilar vascularity.

Int J Thyroidol 2021;14:18-27 https://doi.org/10.11106/ijt.2021.14.1.18
© 2021 Int J Thyroidol