Table 1 Demographics and univariate analysis
From: Malignant adnexal tumors of the skin: a single institution experience
Patient characteristics | Number (%) | OS | DSS | RFS |
|---|---|---|---|---|
Age | ||||
≤ 60 years | 26 (52) | 0.001 | 0.89 | 0.02 |
> 60 years | 24 (48) | |||
Sex | ||||
Male | 28 (56) | 0.73 | 0.25 | 0.19 |
Female | 22 (44) | |||
Primary site | ||||
Head and neck | 26 (52) | |||
Trunk | 8 (16) | 0.96 | 0.87 | 0.53 |
Upper extremities | 8 (16) | |||
Lower extremities | 8 (16) | |||
T stage | ||||
T1 | 22 (44) | 0.18 | 0.12 | 0.04 |
T2 | 9 (18) | |||
T3 | 1 (2) | |||
T4 | 5 (10) | |||
Tx | 13 (26) | |||
N stage | ||||
N0 | 44 (88) | 0.15 | 0.01 | 0.03 |
N1 | 4 (8) | |||
N2 | 2 (4) | |||
M stage | ||||
M0 | 30 (60) | 0.54 | 0.19 | 0.16 |
M1 | 0 (0) | |||
Mx | 20 (40) | |||
Histologic grade | ||||
G1 | 5 (10) | 0.92 | 0.85 | 0.85 |
G2 | 8 (16) | |||
G3 | 8 (16) | |||
Gx | 29 (58) | |||
Perineural invasion | ||||
Present | 2 (4) | – | – | – |
Absent | 48 (96) | |||
Lymphovascular invasion | ||||
Present | 1 (2) | – | – | – |
Absent | 49 (98) | |||
Type of surgery | ||||
Wide excision | 15 (30) | 0.47 | 0.39 | 0.17 |
Mohs surgery | 11 (22) | |||
Local excision | 23 (46) | |||
Chemotherapy | ||||
Yes | 4 (8) | 0.40 | 0.02 | 0.13 |
No | 46 (92) | |||
Radiation treatment | ||||
Yes | 7 (14) | 0.42 | 0.06 | 0.47 |
No | 43 (86) | |||
Recurrence | ||||
Yes | 6 (12) | 0.83 | – | – |
No | 40 (80) | |||
Unknown | 4 (8) | |||
Type of recurrence | ||||
Distant | 2 (4) | 0.98 | – | – |
Local | 3 (6) | |||
Regional | 1 (2) | |||