Table 1.

Patient data and PCR for JC virus (JCV) in eight medulloblastomas

Case	Patient age/sex	Histology	Tumour location	JCV PCR
1	5 years/M	Neuroblastic medulloblastoma	Posterior fossa	N-terminal +
				C-terminal +
				VP1 +
2	12 years/M	Neuroblastic medulloblastoma	Left cerebellar hemisphere	N-terminal +
				C-terminal −
				VP1 +
3	15 years/M	Desmoplastic medulloblastoma	Left cerebellar hemisphere	N-terminal +
C-terminal −
				VP1 −
4	9 years/F	Desmoplastic medulloblastoma	Posterior fossa	N-terminal −
				C-terminal +
VP1 +
5	10 years/M	Classic medulloblastoma	Cerebellum	—
6	11 years/M	Classic medulloblastoma	Cerebellum	—
7	4 years/M	Classic medulloblastoma	Cerebellum	—
8	10 years/M	Classic medulloblastoma	Posterior fossa	—