Living with Intellectual disability, anterior maxillary protrusion, and strabismus
A rare genetic condition with severe intellectual disability, crossed eyes, and a forward-sloping upper jaw.
Understanding Intellectual disability, anterior maxillary protrusion, and strabismus
Dental features include crowded, prominent teeth and an open bite. Mild hearing loss from the inner ear (cochlea) has also been reported. It begins in infancy or childhood.
Signs & symptoms
Symptoms vary from person to person. GARD lists these among the most common:
- Severe intellectual disability
- Crossed eyes (strabismus)
- Upper jaw that sticks out
- Crowded teeth
- Double-jointedness (joint hypermobility)
- Inward-turning eyes (esotropia)
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Specialists who may be involved include brain and nervous system specialists, eye disease specialists, genetic specialists and gum, teeth and mouth specialists.
- 3Consider genetic testing
Changes in SOBP are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.
Care & treatment
- Care team
- Brain and nervous system specialists (neurologists); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists); Gum, teeth and mouth specialists (odontologists)
- Expert care
- Ask about multidisciplinary care centers for rare conditions
- Treatment
- GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
- Research
- Clinical trials and observational studies may be options. See the research section below.
General information, not medical advice. Your care team makes the decisions.
Everyday life
Living with a rare condition is easier with support.
- Connect with rare disease patient organizations for support
- Keep notes on symptoms, changes and questions for appointments
- Ask about patient registries that help research
- Look into financial aid and travel resources for care visits
Quick facts
Changes in the SOBP gene cause this condition. It is inherited in an autosomal recessive pattern, meaning a child inherits a changed copy of the gene from each parent.
Also known as: anterior maxillary protrusion-strabismus-intellectual disability syndrome; anterior maxillary protrusion, strabismus, intellectual disability syndrome; impaired intellectual development, anterior maxillary protrusion, and strabismus; mrams (mental retardation, anterior maxillary protrusion, strabismus) syndrome; mrams syndrome
Patient organizations
Rare-disease groups that can help
- Global GenesRare Diseases · United States
- National Organization for Rare DisordersRare Diseases · United States
- Genetic AllianceRare Diseases · United States
- RARE FoundationRare Diseases · United States
You are more than your diagnosis
Perspectives from people navigating life with Intellectual disability, anterior maxillary protrusion, and strabismus.
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