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 palate||90%|
|Abnormality of the philtrum||90%|
|Hypoplasia of the zygomatic bone||90%|
|Abnormality of periauricular region||50%|
|Delayed skeletal maturation||50%|
|Intrauterine growth retardation||50%|
|Low-set, posteriorly rotated ears||50%|
|Single transverse palmar crease||50%|
|Clinodactyly of the 5th finger||7.5%|
|Displacement of the external urethral meatus||7.5%|
|Hernia of the abdominal wall||7.5%|
|Reduced number of teeth||7.5%|
|Spina bifida occulta||7.5%|
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.