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||
|30%-79% of people have these symptoms|
|Abnormal facial shape||
Unusual facial appearance
Mental retardation, nonspecific
Mental-retardation[ more ]
|5%-29% of people have these symptoms|
|Abnormality of cardiovascular system morphology||0030680|
|Attention deficit hyperactivity disorder||
Attention deficit disorder
Attention deficit-hyperactivity disorder
Childhood attention deficit/hyperactivity disorder[ more ]
|Bipolar affective disorder||
|Clinodactyly of the 5th finger||
Permanent curving of the pinkie finger
|Downslanted palpebral fissures||
Downward slanting of the opening between the eyelids
Prominent eye folds[ more ]
Increased size of skull
Large head circumference[ more ]
Abnormally small skull
Decreased circumference of cranium
Decreased size of skull
Reduced head circumference
Small head circumference[ more ]
Low or weak muscle tone
|Prominent nasal tip||
Large nasal tip
Large tip of nose
Prominent tip of nose
Pronounced nasal tip
Pronounced tip of nose[ more ]
Prominent ears[ more ]
Decreased body height
Small stature[ more ]
Squint eyes[ more ]
|1%-4% of people have these symptoms|
|Abnormality of the palpebral fissures||
Abnormality of the opening between the eyelids
|Abnormality of the pinna||
Abnormally shaped ears
Simple ears[ more ]
Psychiatric disturbances[ more ]
Short fingers or toes
Widely spaced eyes[ more ]
|Intellectual disability, mild||
Mental retardation, borderline-mild
Mild and nonprogressive mental retardation
Mild mental retardation[ more ]
|Intellectual disability, moderate||
IQ between 34 and 49
|Intellectual disability, severe||
Early and severe mental retardation
Mental retardation, severe
Severe mental retardation[ more ]
|Specific learning disability||0001328|
Unibrow[ more ]
|Percent of people who have these symptoms is not available through HPO|
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.
Related diseases are conditions that have similar signs and symptoms. A health care provider may consider these conditions in the table below when making a diagnosis. Please note that the table may not include all the possible conditions related to this disease.
Conditions with similar signs and symptoms from Orphanet
Differential diagnosis comprises the other causes of intellectual deficit, schizophrenia, autism and epilepsy. Genetic testing rules out the other 15q proximal anomalies associated with a similar clinical picture.
Visit the Orphanet disease page for more information.
Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.
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.