Symptom Information: Sort according to HPO 

1
(HPO:0001250) Seizures Occasional [Orphanet] 1245 / 7739
2
(HPO:0002664) Neoplasm Occasional [Orphanet] 111 / 7739
3
(HPO:0000505) Visual impairment Occasional [Orphanet] 297 / 7739
4
(HPO:0100006) Neoplasm of the central nervous system Very frequent [Orphanet] 34 / 7739
5
(HPO:0004374) Hemiplegia/hemiparesis Occasional [Orphanet] 158 / 7739
6
(HPO:0001276) Hypertonia Occasional [Orphanet] 317 / 7739
7
(HPO:0000238) Hydrocephalus Very frequent [Orphanet] 278 / 7739
8
(OMIM) Intraventricular choroid plexus papilloma 2 / 7739
9
(HPO:0012639) Abnormality of nervous system morphology Very frequent [Orphanet] 25 / 7739
10
(HPO:0012758) Neurodevelopmental delay Occasional [Orphanet] 949 / 7739