Table 1 Clinical features of atypical fibroxanthomas, pleomorphic dermal sarcomas, cutaneous squamous cell carcinomas and basal cell carcinomas

Group size (n)

17

15

19

10

Age median (range) [years]

81 (65–93)

83 (60–99)

79 (55–98)

77 (53–87)

Male/female

16/1

13/2

12/7

7/3

Tumor location

10 head, skin

14 head, skin

15 head, skin

7 head, skin

7 neck, skin

1 unknown

2 hand, skin

2 trunk, skin

1 neck, skin

1 neck, skin

1 trunk, skin