Table 1 Patient characteristics (N = 71)
From: Efficacy of elective nodal irradiation in skin squamous cell carcinoma of the face, ears, and scalp
Characteristics | No. of patients (%) |
|---|---|
Sex | |
 Male | 48 (68) |
 Female | 23 (32) |
Race or ethnicity | |
 White | 69 (97) |
 Black | 1 (1.5) |
 Hispanic | 1 (1.5) |
Immunosuppressed | 6 (8.5) |
Adjuvant RT (post-op) without visible tumor | 53 (75) |
Visible tumor present at time of RT | 18 (25) |
Recurrent after curative-intent surgery | 23 (32) |
Clinical perineural invasion | 9 (13) |
Cancer touches midline | 17 (24) |
Radiological and Pathological Risk Factors | |
 >2 cm primary | 36 (51) |
 > 5 mm thickness | 24 (44) |
 >2 mm invasion | 17 (31) |
 Subcutaneous fat invasion | 10 (18) |
 Perineural invasion in pathology report | 45 (76) |
 Lymph-vascular space invasion | 8 (14)a |
 Bone invasion in pathology or imaging report | 8 (12)b |
 Cartilage invasion in pathology or imaging report | 6 (9)b |
Margin status | |
 Positive margin | 31 (56)c |
 Negative margin | 18 (33)c |
 Close (< 5 mm) margin | 6 (11)c |
Differentiation | |
 Well differentiated | 15 (21) |
 Moderately differentiated | 14 (20) |
 Poorly differentiated | 25 (35) |
 Undifferentiated | 2 (3) |
 Not Reported | 15 (21) |
Nodes negative by CT or MR scan | 60 (85) |
Characteristics | Median value (range) |
Age | 69 years (33-95) |
Days from previous treatment to recurrence | 344 days (28-1078) |