Characteristic

N

%

Mean age at diagnosis

70 years (SD 13.7)

60

100%

Sex

Men

33

56%

Woman

27

44%

Comorbidities

Arterial hypertension

25

69.4

Viral immunodeficiencies

5

8.3

Diabetes

4

6.7

Hypothyroidism

4

6.7

Cancer

3

5

Burn

2

3.3

Immunosuppression due to autoimmune disease

2

3.3

Chronic ulcer

1

1.9

Transplant-related immunosuppression

1

1.9

Thrombosis

1

1.9

None

17

28.3

Etiology

De novo

18

30

Associated with chronic ulcer or scar

15

25

Chronic exposure to UV rays

13

21.7

Associated with immunosuppression

3

5

Recurrent

2

3.3

Not reported

9

15

Localization

Hand

20

33.3

Leg

10

16.7

Forearm

7

11.7

Anterior thorax

7

11.7

Foot

4

6.6

Gluteus

3

5

Knee

3

5

Other

6

10

Breslow

<1 mm

0

0

1 - 2 mm

2

3.3

2 - 4 mm

4

6.6

>4 mm

22

36.6

Not reported

32

53

Clark

I

10

16.6