Table 1 patient and tumor characteristics
From: Oncologic and visual outcomes after postoperative proton therapy of localized conjunctival melanomas
Patient and tumor characteristics | N (%) or mean for continuous variables |
|---|---|
Sex | |
 Male | 51 (55.4%) |
 Female | 41 (44.6%) |
Age | 63.0 [48.7–72.0] |
Precancerous lesion | |
 de novo naevus | 19(20.7%) 13 (14.1%) |
PAM | 60 (65.2%) |
Clinical stage | |
 T1 | 63 (71.6%) |
 T2 | 13 (14.8%) |
 T3 | 12 (13.6%) |
Pathological stage | |
 pT1 | 63 (72.4%) |
 pT2 | 14 (16.1%) |
 pT3 | 10 (11.5%) |
Unifocal | 76 (82.6%) |
Tumor epicenter bulbar | 77 (84.6%) |
caruncle and conjunctival folds + lids | 14 (15.4%) |
Quadrangular involvement | |
  < 90 degrees | 26 (31.0%) |
 90 to 180 degrees | 50 (59.5%) |
  > 180 degrees | 8 (9.3%) |
Epithelioid type | 32 (39.5%) |
Margins | |
 R0 | 38 (41.8%) |
 R1 | 44 (48.3%) |
 R2 | 9 (9.9%) |
Number of mitoses | 3 [0–11] |
Ulceration | 12 (14.8%) |
Lymphatic emboli | 2 (2.4%) |
Vascular emboli | 1 (1.2%) |
Thickness (mm) | 2.5 [1.0–4.0] |
Diameter (mm) | 7 [4.5–10.0] |