Orpha Number: 306674
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||
|80%-99% of people have these symptoms|
Progressive dementia[ more ]
|Hyperreflexia in upper limbs||0007350|
|Slow saccadic eye movements||
Slow eye movements
|30%-79% of people have these symptoms|
|Abnormality of finger||
Abnormalities of the fingers
Loss of articulate speech
|Cerebral cortical atrophy||
Decrease in size of the outer layer of the brain due to loss of brain cells
Mental disorientation[ more ]
|Difficulty in tongue movements||0000183|
Difficulty in walking
Tiredness[ more ]
Dull facial expression
|Leg muscle stiffness||0008969|
|Short attention span||
Poor attention span
Problem paying attention[ more ]
Loss of bladder control
|5%-29% of people have these symptoms|
|Abnormality of the foot||
Abnormal feet morphology
Abnormality of the feet
Foot deformity[ more ]
Lack of feeling, emotion, interest
Involuntary closure of eyelid
Spontaneous closure of eyelid[ more ]
Loss of bowel control
Slowness of movements[ more ]
|Distal sensory impairment||
Decreased sensation in extremities
Difficulty articulating speech
Swallowing difficulty[ more ]
Difficulty opening the eyelids
|Generalized muscle weakness||0003324|
|Hyperactive patellar reflex||
Overactive knee reflex
Involuntary, rapid, rhythmic eye movements
|Vertical supranuclear gaze palsy||0000511|
|Percent of people who have these symptoms is not available through HPO|
Aggressiveness[ more ]
Impaired gait[ more ]
Sensory hallucination[ more ]
Decreased muscle movement
Decreased spontaneous movement
Decreased spontaneous movements[ more ]
Lack of facial expression
Mask-like facial appearance[ more ]
|Parkinsonism with favorable response to dopaminergic medication||0002548|
Involuntary muscle stiffness, contraction, or spasm
|Supranuclear gaze palsy||0000605|
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.
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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.
Living with a genetic or rare disease can impact the daily lives of patients and families. These resources can help families navigate various aspects of living with a rare disease.
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.