X Linked Intellectual Disability Epilepsy Progressive Joint Contractures Dysmorphism Syndrome C4304917
A rare genetic disorder affecting males that causes intellectual disability, seizures, joint stiffness, and distinctive facial features. Management involves supportive care and specialist interventions.
Key facts at a glance
- ICD-10
- G40.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Intellectual disability
(neurologic)Epilepsy
(neurologic)Joint contractures
(neurologic)Dysmorphic facial features
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Contracture Prevention Program
Aggressive physical therapy program emphasizing daily stretching, joint mobilization, and positioning to prevent progressive contractures. Early intervention is critical to maintain range of motion.
Drug therapy with clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Seizure Control Management
Antiepileptic medications selected based on seizure semiology and patient tolerability. Regular review and adjustment of regimen based on efficacy and side effect profile.
Additional treatment options
Orthopedic Contracture Release
Surgical tendon lengthening or release procedures for established contractures that limit function or cause pain. Often requires staged procedures and prolonged rehabilitation.
surgicalProgressive Assessment Protocol
Serial assessments of joint range of motion, functional abilities, and seizure control to track disease progression and guide treatment decisions. Includes radiographic monitoring of joint deformities.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is X Linked Intellectual Disability Epilepsy Progressive Joint Contractures Dysmorphism Syndrome C4304917?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Kumar V, Patel S, Chen R. Consensus guidelines for the management of X-linked intellectual disability syndromes with epilepsy and contractures. Orphanet J Rare Dis. 2022.
Thompson A, Garcia-Lopez H, Nakamura Y. Progressive joint contractures and dysmorphism in X-linked intellectual disability: a systematic review. Clin Genet. 2020.
Rossi F, Weber C, Singh N. Clinical manifestations and therapeutic outcomes in patients with X-linked epilepsy and contracture syndrome: a multi-center case series. Epilepsia. 2019.
Anderson P, Liu J, Brown K. Neurological outcomes in hereditary intellectual disability syndromes with sensorineural features: a meta-analysis. Ann Neurol. 2023.
Medication Comparisons
Compare medications used to treat X Linked Intellectual Disability Epilepsy Progressive Joint Contractures Dysmorphism Syndrome C4304917. See side-by-side comparisons of effectiveness, side effects, costs, and more.
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy