From: High Resolution MR Imaging guidelines in retinoblastoma: prospective study correlated with histopathological results
Parameter
Tumor size (maximum diameter in mm)
Sensitivity%
Specificity%
Postlaminar
Optic nerve invasion (PLONI)
15.5
77
43
16.5
59
58
17.5
52
71
Choroid invasion
14.8
84
53
74
60
Both PLONI and choroid invasion
63
54