Table 5.
Distribution of malignant eye lid tumors according to frequency, age, sex, laterality, and duration of symptoms (Philippine Eye Research Institute from 2003 to 2012)
| Tumor | Number (%) N=170 |
Mean age in years (SD) | Sex ratio (M:F) | Mean duration of symptoms in months (SD) | Laterality (%) Right (R) Left (L) Bilateral (B) |
|---|---|---|---|---|---|
| Basal cell carcinoma | 52 (30.6) | 63.23 (12.52) | 1:1.3 | 84.57 (117.08) | R 52.0 L 48.0 |
| Sebaceous gland carcinoma | 52 (30.6) | 58.14 (13.52) | 1:1.3 | 32.40 (89.88) | R 53.8 L 46.2 |
| Squamous cell carcinoma | 29 (17.1) | 59.14 (17.74) | 1:3 | 23.0 (22.7) | R 38.5 L 61.5 |
| Melanoma | 20 (11.8) | 56.75 (14.62) | 1.9:1 | 22.88 (28.91) | R 52.6 L 47.4 |
| Lymphoma | 11 (6.5) | 53.64 (12.02) | 1.2:1 | 43.25 (60.17) | R 33.3 L 66.7 |
| Malignant pilar structure tumors | 2 (1.2) | 83.00 (11.31) | 2:0 | 25.33 (30.29) | R 50.0 L 50.0 |
| Metastatic carcinoma | 2 (1.2) | 48.00 (4.24) | 0:2 | 12.00 (0.00) | R 50.0 L 50.0 |
| Mucoepidermoid carcinoma | 1 (0.6) | 28.00 (0.00) | 1:0 | 24.00 (0.00) | R 100.0 L 0.0 |
| Retinoblastoma | 1 (0.6) | 14.00 (0.00) | 0:1 | 8.00 (0.00) | R 100.0 L 0.0 |
Abbreviation: SD, standard deviation.