Table 2.

The expression of CD24 protein and clinicopathological features of retinoblastoma tissues with high risk of extraocular relapse.

Case no.	Age/sex	Clinicopathological features	CD24 positivity (%)
1	3 mon/M	OS: PD, Post Lam ON Inv	30
2	5/M	OD: PD, rectus orbital invasion	80
3	3/M	OS: PD, Diff Ch Inv	40
4	7/M	OS: PD, Post Lam ON Inv	70
5	2/M	OS: PD, Diff Ch, Post Lam ON Inv	10
6	20 mon/F	OS: PD, Diff Ch, Post Lam ON Inv	30
7	5/M	OS: PD, Diff Ch, Pre Lam ON inv	60
8	3/M	OS: PD, Diff Ch, Post Lam ON Inv	0
9	1/F	OD: PD, Post Lam ON Inv with SE involved	70
10	2/F	OS: PD, Diff Ch, Pre Lam ON Inv	50
11	1/F	OD: PD, Diff Ch Inv	60
12	4/M	OS: PD, Diff Ch Inv	80
13	3/M	OD: PD, Focal Ch, Post Lam ON Inv	90
14	2/F	OS: PD, Diff Ch, Post Lam ON Inv	50
15	2/M	OD: PD, Focal Ch, Post Lam ON Inv	70

Note: mon: months; M: male; F: female; OD: right eye; OS: left eye; PD: poorly differentiated; MD: moderately differentiated; WD: well differentiated; UL: unilateral disease; BL: bilateral disease; Diff Ch Inv: diffused choroidal invasion of tumor; Focal Ch Inv: focal invasion of tumor cells into choroids; Pre Lam ON Inv: pre-laminar invasion of optic nerve; Post Lam ON Inv: post-laminar invasion of the optic nerve.