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|
|Adenomatous colonic polyposis||0005227|
|Multiple gastric polyps||0004394|
|30%-79% of people have these symptoms|
|5%-29% of people have these symptoms|
Tooth decay[ more ]
|Congenital hypertrophy of retinal pigment epithelium||0007649|
|Delayed eruption of teeth||
Delayed teeth eruption
Delayed tooth eruption
Late eruption of teeth
Late tooth eruption[ more ]
|Fibroadenoma of the breast||0010619|
|Increased number of teeth||
Increased tooth count
Supplemental teeth[ more ]
Multiple fatty lumps
|Neoplasm of the central nervous system||
Tumors of the central nervous system
Failure of eruption of tooth
|1%-4% of people have these symptoms|
|Papillary thyroid carcinoma||0002895|
|Percent of people who have these symptoms is not available through HPO|
|Hyperpigmentation of the skin||
Patchy darkened skin
|Small intestine carcinoid||0006722|
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 other disorders causing multiple polyps (Peutz-Jeghers syndrome, familial juvenile polyposis or hyperplastic polyposis, hereditary mixed polyposis syndrome, and Lynch syndrome; 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. Submit a new question
Have studies shown any connection between familial adenomatous polyposis (FAP) and pancreatitis? See answer
I have FAP. Last year, I had surgery during which a pouch was formed. How often should I have the pouch checked for polyp growth? How often should the stomach and duodenum be checked? I would like to know what the follow-up should be. See answer
The father of my children lost his life after a short battle with colon cancer. Several members of his family had various other types of cancer. I would like to help my children prevent the development of cancer. What are the symptoms of familial adenomatous polyposis (FAP)? What steps can we take to be better prepared for this disease? Who can help us with this endeavor? See answer
I have familial adenomatous polyposis (FAP). Recently, my physicians have identified polyps in the upper portion of my intestine, my gall bladder, and my stomach. Are these all the same type of polyps? See answer
I have been diagnosed with familial adenomatous polyposis (FAP), and my 9-year-old daughter is now having the same signs and symptoms as me. I know you can not give out medical advice, but I'm stuck and need some help for my daughter. How do I find a specialist for children with FAP? At what age do children begin having genetic testing for FAP? See answer