Diencephalic Mesencephalic Junction Dysplasia Syndrome 2 C5231440
A genetic syndrome similar to DMJDS1 but caused by different gene mutations. Involves brain malformation and may include additional neurological or physical features.
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
Motor developmental delay
(neurologic)Seizures
(neurologic)Dysphagia
(neurologic)Microcephaly
(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
Anticonvulsant therapy
Antiepileptic medications are used to control seizure activity, which is common in patients with brain malformation syndromes. The specific anticonvulsant is selected based on seizure type and patient characteristics.
Medication management with follow-up
Active treatment with regular monitoring by a healthcare provider is recommended.
Neurodevelopmental surveillance
Regular multidisciplinary assessments of cognitive, motor, and developmental milestones to track progression and identify emerging needs. Includes periodic neuroimaging to evaluate structural changes.
Additional treatment options
Rehabilitative physical therapy
Structured physical therapy program targeting motor delays, muscle tone abnormalities, and coordination challenges commonly associated with midbrain malformations.
physical_therapyVentriculoperitoneal shunt placement
Surgical placement of a CSF shunt to manage hydrocephalus if present, which is a common complication in structural brain malformations affecting the diencephalic-mesencephalic region.
surgicalOccupational therapy
Therapeutic interventions focused on improving daily living skills, fine motor coordination, and functional independence through adaptive techniques and specialized equipment.
complementaryWhen 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 Diencephalic Mesencephalic Junction Dysplasia Syndrome 2 C5231440?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 25, 2026. · Read our editorial policy