Overview
X-linked intellectual disability, Schutz type, is an extremely rare genetic condition that was historically described as a distinct form of intellectual disability passed through the X chromosome. This condition is now classified as 'obsolete' in medical databases, meaning that it may have been reclassified, merged with another diagnosis, or found to overlap significantly with other known forms of X-linked intellectual disability. The original description by Schutz and colleagues involved males affected with intellectual disability (previously called mental retardation), with the condition being inherited in an X-linked pattern, meaning it primarily affected boys and was carried by their mothers. Because this diagnosis is considered obsolete, patients or families who were previously given this diagnosis may benefit from updated genetic testing using modern techniques. Advances in genetic sequencing have allowed doctors to more precisely identify the specific gene changes responsible for many forms of X-linked intellectual disability. If you or a family member received this diagnosis in the past, it is strongly recommended to consult with a clinical geneticist to determine whether a more specific and current diagnosis can be made. Treatment has generally been supportive, focusing on educational support, speech and occupational therapy, and behavioral interventions tailored to the individual's needs.
Key symptoms:
Intellectual disabilityDelayed speech and language developmentLearning difficultiesDelayed developmental milestonesBehavioral challenges
X-linked recessive
Carried on the X chromosome; typically affects males more than females
Childhood
Begins in childhood, roughly ages 1 to 12
Treatments
No FDA-approved treatments are currently listed for OBSOLETE: X-linked intellectual disability, Schutz type.
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Specialists
View all specialists →No specialists are currently listed for OBSOLETE: X-linked intellectual disability, Schutz type.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to OBSOLETE: X-linked intellectual disability, Schutz type.
Community
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Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.Is updated genetic testing available that could give us a more specific diagnosis?,What therapies and early intervention services do you recommend for my child?,Are there any medications that could help with behavioral challenges?,What is the expected developmental trajectory for my child?,Should other family members be tested for carrier status?,What resources are available to help plan for my child's education and future independence?,Are there any clinical trials or research studies we should know about?
Common questions about OBSOLETE: X-linked intellectual disability, Schutz type
What is OBSOLETE: X-linked intellectual disability, Schutz type?
X-linked intellectual disability, Schutz type, is an extremely rare genetic condition that was historically described as a distinct form of intellectual disability passed through the X chromosome. This condition is now classified as 'obsolete' in medical databases, meaning that it may have been reclassified, merged with another diagnosis, or found to overlap significantly with other known forms of X-linked intellectual disability. The original description by Schutz and colleagues involved males affected with intellectual disability (previously called mental retardation), with the condition bei
How is OBSOLETE: X-linked intellectual disability, Schutz type inherited?
OBSOLETE: X-linked intellectual disability, Schutz type follows a x-linked recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does OBSOLETE: X-linked intellectual disability, Schutz type typically begin?
Typical onset of OBSOLETE: X-linked intellectual disability, Schutz type is childhood. Age of onset can vary across affected individuals.