Recurrent medullary thyroid carcinoma treated with percutaneous ultrasound-guided radiofrequency ablation: A case report

Table 1 Pathology of cervical lymph nodes in the initial surgery

Level	Number of metastasis	Total number
Left II	1	3
Left III	1	1
Left IV	1	3
Left VB	0	0
Left VI	6	7
Total	9	14

Table 2 Results of fine-needle aspiration-cytology and fine-needle aspiration-calcitonin

Location/level (size)	Cytological pathology	FNA-calcitonin, pg/mL
Right/II	Reactive hyperplasia	< 2.00
Right/III	Reactive hyperplasia	< 2.00
Left/V (5.0 mm × 3.0 mm)	Reactive hyperplasia	< 2.00
Left/V (7.9 mm × 4.1 mm)	Reactive hyperplasia	< 2.00
Left/VI1	No tumor cell found	> 2000
Left/supraclavicular fossa1	A few epithelioid cells	> 2000

¹Metastatic lymph nodes suggested by both fine-needle aspiration (FNA)-cytology and FNA-calcitonin.