Histopathological Characteristics of Cutaneous Melanoma in Isfahan, Iran, from 2013 to 2018

Table 1

The frequency distribution of multiple variables based on histopathologic subtypes of cutaneous melanoma.

Histopathologic types of cutaneous melanoma
	ALM	LMM	NM	SSM	Others
Number	22	8	5	4	6
Percent	48.89	17.78	11.11	8.89	13.33
Gender (%)
Male	10 (45.5)	4 (50)	2 (40)	2 (50)	2 (33.3)
Female	12 (54.5)	4 (50)	3 (60)	2 (50)	4 (66.7)
Mean age ± SD	62.00 ± 15.25	69.13 ± 15.18	70.20 ± 15.02	60.25 ± 8.88	56.67 ± 19.61
Clark’s invasion level (%)
Level I	1 (4.5)	1 (12.5)	—	1 (25.0)	—
Level II	4 (18.2)	2 (25.0)	—	2 (50.0)	—
Level III	2 (9.1)	1 (12.5)	—	1 (25.0)	1 (16.7)
Level IV	12 (54.5)	3 (37.5)	3 (60.0)	—	1 (16.7)
Level V	3 (13.6)	1 (12.5)	2 (40.0)	—	4 (66.7)
Depth of tumor penetration (Breslow thickness) (%)
<1.00	5 (22.7)	3 (37.5)	—	3 (75.0)	—
1.00–2.00	3 (13.6)	2 (25.0)	—	1 (25.0)	1 (16.7)
2.01–4.00	10 (45.5)	1 (12.5)	—	—	—
>4.00	4 (18.2)	2 (25.0)	5 (100)	—	5 (83.3)
Mean ± SD	3.11 ± 2.16	2.48 ± 2.15	7.90 ± 4.56	1.10 ± 0.60	7.03 ± 3.99
Tumor location (%)
Face	—	7 (87.5)	2 (40.0)	—	2 (33.3)
Scalp	—	1 (12.5)	—	—	—
Trunk	—	—	1 (20.0)	2 (50.0)	1 (16.7)
Arm	—	—	—	2 (50.0)	1 (16.7)
Hand	7 (31.8)	—	—	—	—
Anus	—	—	1 (20.0)	—	—
Leg	1 (4.5)	—	1 (20.0)	—	2 (33.3)
Foot	14 (63.6)	—	—	—	—

Moreover, the mean age in men was 65.55 ± 16.29, and in women was 61.52 ± 14.70, which was not statistically significant ().