Symptom Information: Sort according to HPO 

1
(HPO:0000029) Testicular atrophy 13 / 7739
2
(HPO:0000407) Sensorineural hearing impairment 524 / 7739
3
(HPO:0008527) Congenital sensorineural hearing impairment 165 / 7739
4
(HPO:0008625) Severe sensorineural hearing impairment 150 / 7739
5
(HPO:0000508) Ptosis 459 / 7739
6
(HPO:0000518) Cataract 454 / 7739
7
(HPO:0000590) Progressive external ophthalmoplegia 23 / 7739
8
(HPO:0000716) Depression 99 / 7739
9
(HPO:0000786) Primary amenorrhea 61 / 7739
10
(HPO:0000815) Hypergonadotropic hypogonadism 48 / 7739
11
(HPO:0000869) Secondary amenorrhea 42 / 7739
12
(HPO:0001260) Dysarthria 329 / 7739
13
(HPO:0001265) Hyporeflexia 208 / 7739
14
(HPO:0001761) Pes cavus 225 / 7739
15
(HPO:0002015) Dysphagia 301 / 7739
16
(HPO:0002063) Rigidity 92 / 7739
17
(HPO:0001251) Ataxia 413 / 7739
18
(HPO:0002066) Gait ataxia 327 / 7739
19
(HPO:0002067) Bradykinesia 62 / 7739
20
(HPO:0002151) Increased serum lactate 92 / 7739
21
(HPO:0002322) Resting tremor 14 / 7739
22
(HPO:0002548) Parkinsonism with favorable response to dopaminergic medication 13 / 7739
23
(HPO:0002578) Gastroparesis 11 / 7739
24
(HPO:0003202) Skeletal muscle atrophy 281 / 7739
25
(HPO:0003323) Progressive muscle weakness 17 / 7739
26
(HPO:0003390) Sensory axonal neuropathy 26 / 7739
27
(HPO:0003546) Exercise intolerance 62 / 7739
28
(HPO:0003690) Limb muscle weakness 41 / 7739
29
(HPO:0008209) Premature ovarian failure 28 / 7739
30
(HPO:0010628) Facial palsy 146 / 7739
31
(HPO:0010697) Anterior pyramidal cataract 22 / 7739
32
(OMIM) Gastrointestinal pseudoobstruction 1 / 7739
33
(HPO:0008734) Decreased testicular size 105 / 7739
34
(OMIM) [DEL]EMG shows myopathic changes 27 / 7739
35
(OMIM) Muscle biopsy shows ragged red fibers 4 / 7739
36
(OMIM) Muscle biopsy shows increased variation in fiber size 2 / 7739
37
(OMIM) Muscle biopsy shows necrotic and atrophic fibers with centralized nuclei 1 / 7739
38
(OMIM) Muscle biopsy shows multiple mitochondrial DNA (mtDNA) deletions 3 / 7739
39
(OMIM) Muscle biopsy shows decreased activity of cytochrome c oxidase 3 / 7739
40
(OMIM) Electron microscopy shows subsarcolemmal accumulations of abnormally shaped mitochondria 2 / 7739
41
(HPO:0001300) Parkinsonism 75 / 7739
42
(OMIM) Loss of pigmented neurons in the substantia nigra 1 / 7739
43
(OMIM) No Lewy bodies 2 / 7739
44
(OMIM) Distal sensory loss of proprioception and vibration sense 1 / 7739
45
(MedDRA:10036601) Premature menopause 3 / 7739
46
(OMIM) Decreased secondary sexual characteristics (in a subset of patients) 1 / 7739
47
(OMIM) Rhabdomyolysis in response to alcohol 1 / 7739