Table 1.

Clinical and pathological characteristics of the thirteen patients who underwent sentinel lymph node biopsy for melanoma and the thirteen control patients undergoing prophylactic mastectomy (median and IQR or number and frequency are reported)

Characteristics	Melanoma (n = 13)	Breast (n = 13)	p value
Age	61 (45–65)	43 (38–59)	0.2
Sex
Male	8 (62%)	0 (0%)	<0.001
Female	5 (38%)	13 (100%)
Location
Axilla	11 (85%)	16 (100%)	0.33
Inguinal	2 (15%)	0 (0%)
Breslow depth	1.2 (0.9–2.7)	NA
Ulceraton	2 (15%)
TIL response		NA
Brisk	1 (8%)
Non-brisk	11 (85%)
Absent	1 (8%)
SLN status		NA
Positive	4 (31%)
Negative	9 (69%)