Table 1

Clinicopathological distribution and immunohistochemistry results of the cohort

Entire cohort (%)HER-2/neu positive (%)
Total56 (100)9 (100)
Site
 Oral cavity32 (57)3 (33)
 Oropharynx24 (43)6 (67)
T stage
 1–219 (34)3 (33)
 3–437 (66)6 (67)
N stage
 010 (18)2 (22)
 124 (43)2 (22)
 2–322 (39)5 (56)
AJCCa stage
 II5 (9)2 (44)
 III16 (28)0
 IV35 (63)7 (78)
Grade
 Poorly to moderately11 (20)1 (11)
 Moderately22 (39)5 (56)
 Moderately well11 (20)2 (22)
 Well-differentiated12 (21)1 (11)
Margins
 Negative38 (68)6 (67)
 Positive18 (32)3 (33)
Sex
 Male46 (82)7 (78)
 Female10 (18)2 (22)
Race
 White47 (84)7 (78)
 Black9 (16)2 (22)
Age
 41–5614 (25)3 (33)
 56–5914 (25)4 (44)
 59–6614 (25)0
 66–7914 (25)2 (22)
  • a AJCC, American Joint Committee on Cancer.