Living with X-linked intellectual disability-plagiocephaly syndrome
A rare X-linked condition with severe learning disability and a flattened, short skull in males.
Understanding X-linked intellectual disability-plagiocephaly syndrome
Males have a short, broad skull (brachycephaly), a flattened head (plagiocephaly), and a prominent forehead. Females may have moderate intellectual disability without skull and facial differences. There have been no further descriptions in medical writing since 1992.
Signs & symptoms
Symptoms vary from person to person. GARD lists these among the most common:
- Severe intellectual disability
- Flat head shape (plagiocephaly)
- Short, broad skull (brachycephaly)
- Prominent forehead
- Delayed speech and language
- Small head size
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 bone and joint specialists, brain and nervous system specialists and genetic specialists.
- 3Ask which tests can help
Your care team will decide which exams and tests can confirm the diagnosis.
- 4Connect with expert centers
World Craniofacial Foundation may keep lists of experts for this condition.
Care & treatment
- Care team
- Bone and joint specialists (orthopedists or orthopedic surgeons); Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
- Expert care
- Expert lists: World Craniofacial Foundation
- 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 World Craniofacial Foundation and other patient organizations
- 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
GARD says changes in genes (variants) cause this condition and it follows X-linked inheritance. It doesn't name a gene.
Also known as: hyde forster mccarthy berry syndrome; hyde forster-mccarthy-berry syndrome; mental retardation, x-linked hyde-forster type; x-linked intellectual disability with plagiocephaly syndrome
Patient organizations
- World Craniofacial FoundationCraniofacial anomalies · United States
- Children's Craniofacial AssociationCraniofacial anomalies · United States
- FACES: The National Craniofacial AssociationCraniofacial anomalies · United States
- myFaceCraniofacial anomalies · United States
You are more than your diagnosis
Perspectives from people navigating life with X-linked intellectual disability-plagiocephaly syndrome.
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