Tumour Recurrence, Depth of Invasion, and Temple Location as Independent Prognostic Parameters of Lymph Node Metastases of Head and Neck Cutaneous Squamous Cell Carcinomas

Table 1

Characteristics of a patient group and tumour risk parameters.

		cSCC N+	cSCC N0
Number of patients		42	76
Sex	Male	34	69
	Female	8	7
Age	Min-max; mean	41–95; 79	41–92; 74
Skin tumour T stage	T1	13	54
	T2	11	8
	T3	14	13
	T4	4	1
N stage	N0		76
	N1	2
	N2	5
	N3	35
Stage	I		54
	II		8
	III	2	13
	IV	40	1
Tumour size (mm)	<10	5	38
	10–20	14	17
	20–40	17	15
	>40	5	6
Grade of SCC differentiation	G1	3	35
	G2	24	24
	G3	15	17
Resection margins	Positive R+	6	3
	Uncertain Rx	5	1
	Close (≤4 mm) R0	7	21
	Save ≥4 mm R0	14	51
Depth of invasion	≥4 mm	30	27
Recurrence		15	5
Tumour site	Auricular	15	50
	External ear canal	3	7
	Temporal	21	9
	Nose	3	10