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 hypothalamus-pituitary axis | Very frequent (present in 80%-99% of cases) |
| Behavioral abnormality | Very frequent (present in 80%-99% of cases) |
| Cachexia | Very frequent (present in 80%-99% of cases) |
| Very frequent (present in 80%-99% of cases) |
|
| Abnormality of movement | Frequent (present in 30%-79% of cases) |
| Everted lower lip vermilion | Frequent (present in 30%-79% of cases) |
| Frequent (present in 30%-79% of cases) |
|
| Hyperhidrosis | Frequent (present in 30%-79% of cases) |
| Long penis | Frequent (present in 30%-79% of cases) |
| Macrotia | Frequent (present in 30%-79% of cases) |
| Frequent (present in 30%-79% of cases) |
|
| Large hands | Occasional (present in 5%-29% of cases) |
| Optic atrophy | Occasional (present in 5%-29% of cases) |
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.
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