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|
|Large for gestational age||
Birth weight > 90th percentile
Birthweight > 90th percentile[ more ]
Increased body height
|30%-79% of people have these symptoms|
|Abnormality of the shape of the midface||0430026|
|Accelerated skeletal maturation||
Advanced bone age
Early bone maturation[ more ]
|Anterior creases of earlobe||
|Coarse facial features||
Coarse facial appearance
|Exocrine pancreatic insufficiency||
Inability to properly digest food due to lack of pancreatic digestive enzymes
Elevated urine calcium levels
Crease in skin under the eye
Groove in skin under the eye[ more ]
Abnormally large tongue
Increased size of tongue
Large tongue[ more ]
Big lower jaw
Increased projection of lower jaw
Increased size of lower jaw
Large lower jaw
Prominent lower jaw[ more ]
Decreased size of midface
Underdevelopment of midface[ more ]
Low blood sugar in newborn
Having too much body fat
High levels of amniotic fluid
|Posterior helix pit||
Indentation in back of outer ear
Premature delivery of affected infants
Preterm delivery[ more ]
Prominent back of the skull
Prominent posterior skull[ more ]
Eyeballs bulging out
Protruding eyes[ more ]
Loose redundant skin
Redundant skin folds
Sagging, redundant skin[ more ]
|Subchorionic septal cyst||0030720|
Large mouth[ more ]
|5%-29% of people have these symptoms|
|Abnormal pancreas morphology||
Abnormally shaped pancreas
Increased heart size[ more ]
Cleft roof of mouth
Undescended testis[ more ]
Gap between large left and right abdominal muscles
|Feeding difficulties in infancy||0008872|
Enlarged and thickened heart muscle
|Large intestinal polyposis||0030255|
|Multiple renal cysts||
Multiple kidney cysts
Cancer of early nerve cells
|Neurological speech impairment||
Speech impediment[ more ]
Increased red blood cells
|Prominent metopic ridge||0005487|
Pauses in breathing while sleeping
Increased spleen size
|Wide anterior fontanel||
Wider-than-typical soft spot of skull
|1%-4% of people have these symptoms|
|Percent of people who have these symptoms is not available through HPO|
Disease of the heart muscle
Too much calcium deposited in kidneys
|Overgrowth of external genitalia||0003247|
|Renal cortical cysts||0000803|
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.
The resources below provide information about treatment options for this condition. If you have questions about which treatment is right for you, talk to your healthcare professional.
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 diagnoses include Simpson-Golabi-Behmel, Costello, Perlman, and Sotos syndromes, and mucopolysaccharidosis type VI (see these terms).
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.