Orpha Number: 99013
This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.
| Medical Terms | Other Names | Learn More: HPO ID |
|---|---|---|
| 80%-99% of people have these symptoms | ||
| Spastic gait |
Spastic walk
|
0002064 |
| 30%-79% of people have these symptoms | ||
| Abnormal mitochondrial morphology | 0008322 | |
| Attention deficit hyperactivity disorder |
Attention deficit
Attention deficit disorder
Attention deficit-hyperactivity disorder
Attention deficits
Childhood attention deficit/hyperactivity disorder
[ more ]
|
0007018 |
| Babinski sign | 0003487 | |
| Cerebellar atrophy |
Degeneration of cerebellum
|
0001272 |
| Impaired vibration sensation in the lower limbs |
Decreased lower limb vibratory sense
Decreased vibratory sense in lower limbs
Decreased vibratory sense in the lower extremities
Decreased vibratory sense in the lower limbs
Diminished vibratory sensation in the legs
[ more ]
|
0002166 |
| Lower limb hyperreflexia |
Overactive lower leg reflex
|
0002395 |
| Lower limb hypertonia | 0006895 | |
| Lower limb muscle weakness |
Lower extremity weakness
Lower limb weakness
Muscle weakness in lower limbs
[ more ]
|
0007340 |
| Nasal speech |
Nasal voice
|
0001611 |
|
Involuntary, rapid, rhythmic eye movements
|
0000639 | |
| Optic atrophy | 0000648 | |
| Ragged-red muscle fibers | 0003200 | |
| Slowed slurred speech | 0007164 | |
| Supranuclear gaze palsy | 0000605 | |
| Urinary urgency |
Overactive bladder
|
0000012 |
| 5%-29% of people have these symptoms | ||
| Abnormality of the cerebral white matter | 0002500 | |
| Cerebral cortical atrophy |
Decrease in size of the outer layer of the brain due to loss of brain cells
|
0002120 |
|
Difficulty articulating speech
|
0001260 | |
| Optic disc pallor | 0000543 | |
| Pes cavus |
High-arched foot
|
0001761 |
| 0002650 | ||
| Upper limb muscle weakness |
Decreased arm strength
Weak arm
[ more ]
|
0003484 |
| 1%-4% of people have these symptoms | ||
|
Poor swallowing
Swallowing difficulties
Swallowing difficulty
[ more ]
|
0002015 | |
| Lower limb pain |
Leg pain
|
0012514 |
| Memory impairment |
Forgetfulness
Memory loss
Memory problems
Poor memory
[ more ]
|
0002354 |
| Specific learning disability | 0001328 | |
| Percent of people who have these symptoms is not available through HPO | ||
| Adult onset |
Symptoms begin in adulthood
|
0003581 |
| 0000006 | ||
| 0000007 | ||
| Degeneration of the lateral corticospinal tracts | 0002314 | |
| Gait |
Inability to coordinate movements when walking
|
0002066 |
| Hyperreflexia |
Increased reflexes
|
0001347 |
| Lower limb |
0002061 | |
| Spastic paraplegia | 0001258 | |
| Urinary bladder sphincter dysfunction | 0002839 | |
| Urinary incontinence |
Loss of bladder control
|
0000020 |
Making a diagnosis for a genetic or rare disease can often be challenging. Healthcare professionals typically look at a person’s medical history, symptoms, physical exam, and laboratory test results in order to make a diagnosis. The following resources provide information relating to diagnosis and testing for this condition. If you have questions about getting a diagnosis, you should contact a healthcare professional.
If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals. You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.
If you can’t find a specialist in your local area, try contacting national or international specialists. They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care.
You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists.
Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know.
