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Table 4 Diagnostic accuracy of tumor size at different cutoff levels in the prediction of PLONI, choroid invasion, and both PLONI and choroid invasion

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

15.5

74

60

Both PLONI and choroid invasion

 

16.5

63

58

17.5

54

71

  1. PLONI postlaminar optic nerve invasion