The Human Phenotype Ontology (HPO) provides the following list of features that have been reported in people with this condition. Much of the information in the HPO comes from Orphanet, a European rare disease database. If available, the list includes a rough estimate of how common a feature is (its frequency). Frequencies are based on a specific study and may not be representative of all studies. You can use the MedlinePlus Medical Dictionary for definitions of the terms below.
|Signs and Symptoms||Approximate number of patients (when available)|
|Abnormality of the spleen||90%|
|Aplasia/Hypoplasia of the radius||90%|
|Aplasia/Hypoplasia of the thumb||90%|
|Abnormality of the humerus||50%|
|Abnormality of the metacarpal bones||50%|
|Abnormality of the ulna||50%|
|Congenital muscular torticollis||50%|
|Multicystic kidney dysplasia||50%|
|Abnormal localization of kidney||7.5%|
|Abnormal lung lobation||7.5%|
|Abnormality of neuronal migration||7.5%|
|Abnormality of the clavicle||7.5%|
|Aplasia/Hypoplasia affecting the eye||7.5%|
|Aplasia/Hypoplasia of the corpus callosum||7.5%|
|Atria septal defect||7.5%|
|Agenesis of corpus callosum||-|
|Biliary tract abnormality||-|
|Cystic renal dysplasia||-|
|Failure to thrive||-|
|Fusion of the left and right thalami||-|
|Hypoplasia of the radius||-|
|Hypoplasia of the ulna||-|
|Secundum atrial septal defect||-|
|Type I truncus arteriosus||-|
|Unilateral renal agenesis||-|
Nonprofit support and advocacy groups bring together patients, families, medical professionals, and researchers. These groups often raise awareness, provide support, and develop patient-centered information. Many are the driving force behind research for better treatments and possible cures. They can direct people to research, resources, and services. Many groups also have experts who serve as medical advisors. Visit their 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.
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Where can I find more information about this syndrome? My daughter has it. Is there any group for parents of children with this? See answer