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 7

The demographic characteristics of the four patients with recurrence in LN-prRLN.

Variables	Case1	Case 2	Case3	Case4	Sum
Age (y)	55	62	29	22	42.0 ± 19.48
Sex (Female/Male)	F	F	F	F	4/0
Multifocality (yes/No)	Y	Y	Y	N	3/1
Size (mm)	35	12	55	15	29.25 ± 19.97
Extensive invasion (yes/No)	Y	N	N	N	1/3
Co-HT (yes/No)	N	Y	N	N	1/3
Co-nodular goiter (yes/No)	N	N	N	N	0/3
cLNMa (yes/No)	Y	Y	Y	Y	4/0
Positive/Dissected cLNMa numbers	11/12	11/21	9/15	6/7	—
LLNM (yes/No)	N	N	Y	Y	2/2
Positive/Dissected LLNM numbers	—	—	7/21	33/75	—
Follow-up (months)	31.47	33.73	39.07	23.40	31.92 ± 6.51

Co-HT: concurrent Hashimoto’s thyroiditis; Conodular goiter: concomitant with nodular goiter; cLNMa: central lymph nodes anterior to the right recurrent laryngeal nerve; LLNM: lateral lymph node metastasis.