Table 1 Characteristics of 178 patients with squamous cell carcinoma of the oral cavity and lips between 1998 - 2008
No. of cases | % | |
|---|---|---|
Patients | ||
Men | 102 | (57.3) |
Women | 76 | (42.7) |
Mean age | 63.5 years | (range 32-89) |
Tumor localization | ||
Lower jaw | 47 | (26.4) |
Tongue | 39 | (21.9) |
Floor of mouth | 34 | (19.1) |
Upper jaw | 29 | (16.3) |
Upper and lower lips | 15 | (8.4) |
Other locations | 14 | (7.9) |
pT-Stage | ||
pT1 | 83 | (46.6) |
pT2 | 53 | (29.8) |
pT3 | 10 | (5.6) |
pT4 | 32 | (18.0) |
Grading | ||
G1 | 28 | (15.7) |
G2 | 108 | (60.7) |
G3 | 42 | (23.6) |
Special features of tumors | ||
Necrotic | 1 | (0.6) |
Ulceration | 30 | (16.9) |
Bone invasion | 23 | (12.9) |
Surgical procedures* | ||
Local resection | 68 | (38.2) |
Lower jaw resection | 47 | (26.4) |
Floor of mouth/Tongue resection | 34 | (19.1) |
Hemimaxillectomy/Upper jaw alveolar resection | 27 | (15.2) |
Lips and other resections | 8 | (4.5) |
Final surgical margin status | ||
Positive margin (involved by carcinoma) | 41 | (23.0) |
Dysplastic margin | 19 | (10.7) |
- Carcinoma in situ | 1 | (0.5) |
- low/middle grade dysplasia | 9 | (5.1) |
- high grade dysplasia | 9 | (5.1) |
Negative margin | 118 | (66.3) |
Distance carcinoma - resection margin | 137 | (77.0) |
- < 1 mm | 27 | (15.2) |
- 1-5 mm | 86 | (48.3) |
- > 5 mm | 24 | (13.5) |
Frozen sections | ||
Frozen sections done | 111 | (62.4) |
- in cases with positive final margin (n = 41) | 22 | (53.7) |
- in cases with dysplastic final margin (n = 19) | 14 | (73.7) |
- in cases with negative final margin (n = 118) | 75 | (63.6) |