Accuracy of Diagnostic Biopsy for Cutaneous Melanoma: Implications for Surgical Oncologists

Table 1

Demographic and tumor features of 332 cutaneous melanoma patients.

Variable	n (%)
Sex
Female	174/332 (52%)
Age, years
Mean, median, range	64.5±0.9, 68, 20–97
Primary tumor anatomic site
Head and neck	52/332 (16%)
Trunk	110/332 (33%)
Extremities	170/332 (51%)
Primary tumor histologic subtype
Superficial spreading	187/332 (56%)
Lentigo maligna	82/332 (25%)
Nodular	40/332 (12%)
Acral lentiginous and other	23/332 (7%)
T stage primary tumor (final)
is*	87/332 (26%)
1	141/332 (42%)
2	50/332 (15%)
3	29/332 (9%)
4	25/332 (8%)
Primary tumor thickness, mean, mm**	1.68±0.16
Primary tumor ulceration, present	46/332 (14%)
Stage (final)
0	87/332 (26%)
1	175/332 (53%)
2	51/332 (15%)
3	19/332 (6%)

*Tis refers to melanoma in situ.
**Tumor thickness calculated for patients with a final diagnosis of invasive melanoma, 𝑛=245.