Fine-Needle Aspiration Cytology of the Sentinel Lymph Node in Head and Neck Cancer

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FIGURE 1.
Lymphoscintigraphy of patient with bilateral SLNs (▴) in level I from ventral view 30 min after peritumoral injection of ^99mTc-nanocoll pertechnetate.

TABLE 1

Patient Characteristics and Staging

Patient no.	Tumor location	Tumor crossing midline	Tumor status*	Ipsilateral neck dissection*	Contralateral neck dissection*
1	Floor of mouth	x	2	I–III	I–III
2	Tonsil		1	I–III
3	Floor of mouth	x	2	I–III	I–III
4	Tongue		2	I–III
5	Ear		2	I–IV
6	Floor of mouth		1	I–III
7	Lip		2	I–III
8	Tonsil		1	I–IV
9	Tongue		1	I–III
10	Tongue		1	I–IV	I–III
11	Pharyngeal arch		4	I–V
12	Tonsil		2	I–IV
13	Tonsil		3	I–V	I–V
14	Tonsil		3	I–IV
15	Floor of mouth		2	I–IV
16	Lip	x	2	I–V	I–V

TABLE 2

Characteristics of Sentinel Lymph Nodes and Results*

Patient no.	Ispsilateral level	Sentinel node size (mm)	Contralateral level	Sentinel node size	Cytology	Level of metastases	Post therapeutic N-status	Micro/Mets
1	None		None				0	0/0
2	None		None				0	0/0
3	III	7 × 4 × 20			NA		0	0/0
			II	8 × 4 × 18	Benign		0
4	III	11 × 6 × 7			Benign		0	0/0
5	II	6 × 3 × 7			Benign		0	0/0
6	II	12 × 10 × 11			Benign		0	0/0
7	II	4 × 4 × 5			Benign		0	0/0
8	II	7 × 4 × 16			Benign		0	0/0
	III	6 × 3 × 9			Benign
9	II	8 × 12 × 13			Benign		0	0/0
10	I	9 × 10 × 7			NA	II	1	0/1
11	II	3 × 4 × 3			NP	III	2b	0/2
	I	12 × 6 × 7			Benign	II
12	II	9 × 5 × 10			Benign	II	2a	0/1
13	II	5 × 6 × 12			Benign	II	2b	0/3
14	II	7 × 4 × 13			Benign	II	2b	2/2
			II	7 × 12 × 5	Benign
			II	7 × 7 × 10	Benign
15	II	10 × 5 × 12			Benign	I	2b	0/2
	IV	9 × 4 × 9			Benign	I
16			I	8 × 7 × 9	Benign		1	1/1
	I	6 × 5 × 6			Malignant	I

↵* Classified according to guidelines of Union Internationale Contre le Cancer.
Micro/mets = micrometastases/metastases; NA = insufficient material; NP = not punctured.