Table 1

Patient and tumour characteristics

No
Gender
Male13
Female17
Age mean (range)59.2 (38–80) years
≤60 years17
>60 years13
Ethnic group
Han29
Uygur1
Side
Left12
Right18
Tumour origin
De novo15
Nevus7
PAM8
Tumour location
Bulbar conjunctiva19
Limbus4
Cornea3
Palpebra26
Fornix8
Caruncle5
Eyelid13
Orbit3
Tumour thickness
≤4 mm17
>4 mm13
Ulceration
Absent19
Present11
TIL
Absent4
Non-brisk25
Brisk1
Mitotic rate
≤1021
11–207
≥212
Regression
Absent29
Present1
Vertical growth plate
Absent1
Present29
Perineural invasion
Absent27
Present3
Vascular invasion
Absent28
Present2
Microscopic satellitosis
Absent29
Present1
Margin status
Negative30
Positive0
Clinical T category at presentation
T14
T210
T316
T40
N category at presentation
N027
N13
M category at presentation
M029
M11
  • M, distant metastasis; N, regional lymph node; PAM, primary acquired melanosis; T, tumour; TIL, tumour-infiltrating lymphocyte.