Research Article

A Comparison of Two Operation Methods Revealed the Risk Factors and the Necessity of LN-prRLN Dissection in Papillary Thyroid Carcinoma: A Retrospective Cohort Study in FUSCC

Table 1

Demographic characteristics of patients enrolled in this study.

VariablesNo. of patients (%) (N  = 1487)

Age (y, mean ± SD)46.14 ± 11.42
Sex (Female/Male)1134 (76.26%)/353 (23.74%)
Multifocality (yes/No)509 (34.23%)/978 (65.77%)
Size (mm, mean ± SD)9.70 ± 6.73
Extensive invasion (yes/No)129 (8.68%)/1358 (91.32%)
Co-HT (yes/No)367 (24.68%)/1120 (75.32%)
Co-nodular goiter (yes/No)277 (18.63%)/1210 (81.37%)
Thyroid operation methods
RL1016 (68.33%)
TT471 (31.67%)
LNM
cLNM (yes/No)674 (45.33%)/813 (54.67%)
Positive cLNM no. (p50, (min-max))0 (0–29)
Dissected cLNM no. (p50, (min-max))4 (0–33)
LLNM (yes/No)140 (9.41%)/1347 (90.59%)
Positive LLNM no. (p50, (min-max))4 (0–37)
Dissected LLNM no. (p50, (min-max))26.5 (0–75)
Recurrence (%)35 (2.35%)
Follow-up (months, mean ± SD)36.91 ± 21.43

Abbreviations: SD: standard deviation; Co-HT: concurrent Hashimoto’s thyroiditis; Conodular goiter: concomitant with nodular goiter; LNM: lymph node metastasis; cLNM: central lymph node metastasis; LLNM: lateral lymph node metastasis.