Symptom Information: Sort according to HPO 

1
 (HPO:0000510) Rod-cone dystrophy 25240982 IBIS 266 / 7739
2
 (HPO:0000572) Visual loss 23266623 IBIS 272 / 7739
3
 (HPO:0000639) Nystagmus 20953793 IBIS 555 / 7739
4
 (HPO:0000763) Sensory neuropathy 23266623 IBIS 78 / 7739
5
 (HPO:0001250) Seizures 20953793 IBIS 1245 / 7739
6
 (HPO:0001251) Ataxia 25240982 IBIS 413 / 7739
7
 (HPO:0002066) Gait ataxia 23266623 IBIS 327 / 7739
8
 (HPO:0001263) Global developmental delay 23266623 IBIS 853 / 7739
9
 (HPO:0003737) Mitochondrial myopathy 23266623 IBIS 18 / 7739
10
 (HPO:0007814) Retinal pigment epithelial mottling 10676807 IBIS 5 / 7739
11
 (OMIM) Muscle mitochondria normal by histochemical analysis 23266623 IBIS 1 / 7739
12
 (OMIM) No histochemical evidence of mitochondrial myopathy. 23266623 IBIS 1 / 7739
13
 (HPO:0003572) Low plasma citrulline 25240982 IBIS 7 / 7739
14
 (HPO:0003323) Progressive muscle weakness 25240982 IBIS 17 / 7739
15
 (HPO:0011098) Speech apraxia 25240982 IBIS 9 / 7739
16
 (HPO:0001272) Cerebellar atrophy 23266623 IBIS 197 / 7739
17
 (HPO:0007366) Atrophy/Degeneration affecting the brainstem 25746071 IBIS 4 / 7739
18
 (HPO:0006799) Basal ganglia cysts 20953793 IBIS 6 / 7739
19
 (HPO:0007007) Cavitation of the basal ganglia 20953793 IBIS 2 / 7739
20
 (OMIM) T2-weighted hyperintensities in the basal ganglia 20953793 IBIS 2 / 7739
21
 (HPO:0007141) Sensorimotor neuropathy 20953793 IBIS 27 / 7739
22
 (HPO:0000716) Depression 20953793 IBIS 99 / 7739
23
 (HPO:0007371) Corpus callosum atrophy 20953793 IBIS 14 / 7739
24
 (HPO:0012444) Brain atrophy 20953793 IBIS 24 / 7739
25
 (HPO:0011504) Bull's eye maculopathy 10676807 IBIS 8 / 7739
26
 (HPO:0011923) Decreased activity of mitochondrial complex I 25746071 IBIS 35 / 7739
27
 (HPO:0000365) Hearing impairment 9221962 IBIS 539 / 7739
28
 (HPO:0008972) Decreased activity of mitochondrial respiratory chain 25746071 IBIS 34 / 7739
29
 (HPO:0007703) Abnormality of retinal pigmentation 23266623 IBIS 21 / 7739