Table 1. Survivin staining scores in ependymomas (A) and choroid plexus tumours (B).

(A)	Tumour grade	Diagnosis	Age (years)	Nuclear Survivin staining	Status
	I	Myxopapillary	16	4	Alive
	I	Myxopapillary	8	4	Unknown
	I	Myxopapillary	11	4/3	Alive, one recurrence
	I	Myxopapillary	12	4	Alive
	I	Myxopapillary	6	4	Alive
	I	Myxopapillary	14	4	Alive, drop met at dx
	II	Ependymoma	3	4	Died, progressive ds
	II	Ependymoma	6	3	Alive
	II	Ependymoma	4	3	Died, progressive ds
	II	Ependymoma	16	4	Alive
	II	Ependymoma	3	3	Alive
	III	Anaplastic	20	2	Alive, one recurrence
	III	Anaplastic	6	2	Died, progressive ds
	III	Anaplastic	4	2	Alive
(B)	Tumour grade	Diagnosis	Age (months)	Nuclear Survivin staining	Status
	I	CPP	48	4	Alive
	I	CPP	20	4	Alive
	I	CPP	4	4	Alive w/ stable ds
	I–II	ACPP	48	1	Alive
	I–II	ACPP	0.13	1	Alive
	I–II	ACPP	16	1	Alive
	III	CPC	22	1	Died, progressive ds
	III	CPC	17	1	Died, progressive ds
	III	CPC	14 year	1/2	Alive (f/u <1 year)

1=<10%; 2=10–20%; 3=21–50%; 4=>50% cells positive; CPP=choroid plexus papilloma; ACPP=atypical choroid plexus papilloma; CPC=choroid plexus carcinoma; DS=disease; DX=diagnosis.