Understanding Schizencephaly: Causes and Treatments

Written by Medicover Team and Medically Reviewed by Dr Krishna Haskar Dhanyamraju , Neurologists

Schizencephaly is a rare congenital brain malformation characterized by abnormal clefts or splits in the cerebral hemispheres. These clefts can affect one or both sides of the brain and vary in size, leading to a wide range of neurological symptoms. Early diagnosis and comprehensive treatment can help improve development, mobility, and quality of life.

What Are the Types of Schizencephaly?

Schizencephaly is classified into two main types based on the appearance of the brain clefts.

What Are the Symptoms of Schizencephaly?

Symptoms vary depending on whether one or both sides of the brain are affected and the severity of the malformation.

What are the Causes of Schizencephaly?

The exact cause of Schizencephaly is not always known. It is believed to result from abnormal brain development during early pregnancy, leading to clefts or splits in the cerebral hemispheres. Several genetic and environmental factors may contribute to the condition.

• Genetic mutations: Changes in certain genes, such as EMX2 (rarely), may interfere with normal brain development.
• Vascular injury: Reduced blood flow or a stroke affecting the developing fetal brain can disrupt normal formation of brain tissue.
• Prenatal infections: Infections during pregnancy, particularly cytomegalovirus (CMV), may increase the risk of Schizencephaly.
• Exposure to harmful substances: Alcohol, illicit drugs, certain medications, or environmental toxins during pregnancy may affect fetal brain development.
• Maternal trauma: Significant injury to the mother during pregnancy may contribute in rare cases.
• Young maternal age: Some studies suggest that younger maternal age may be associated with a higher risk.
• Unknown causes: Many cases occur sporadically without an identifiable genetic mutation or environmental trigger.

Although these factors are associated with Schizencephaly, many affected children have no known risk factors, and the condition often develops without a clearly identifiable cause.

When to See a Doctor for Schizencephaly?

Consult a neurologist, Developmental Paediatrician, Clinical Geneticist, Paediatrician, Pediatric Neurosurgeon, or Physical Medicine and Rehabilitation Specialist if an infant or child has delayed developmental milestones, seizures, muscle weakness, poor coordination, feeding difficulties, or unusual muscle stiffness. Early neurological evaluation and brain imaging help confirm the diagnosis and allow timely intervention to improve long-term outcomes.

Seek medical attention if a child develops:

Early multidisciplinary care can maximize development, improve quality of life, and reduce complications.

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How Is Schizencephaly Diagnosed?

Diagnosis is based on neurological evaluation and imaging studies that identify characteristic brain clefts.

How Is Schizencephaly Treated?

There is no cure for schizencephaly. Treatment focuses on controlling symptoms, supporting development, and managing complications through individualized multidisciplinary care.

Medical Treatment

Rehabilitation Therapies

Surgical Management

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Can Schizencephaly Be Prevented?

Schizencephaly cannot usually be prevented because many cases result from abnormalities during early fetal brain development. Good prenatal care, avoiding harmful substances during pregnancy, managing maternal infections promptly, and attending regular antenatal check-ups may help reduce certain risks associated with congenital brain abnormalities.

What Are the Risk Factors for Schizencephaly?

Although many cases occur without a known cause, several factors have been associated with an increased risk.

What Are the Complications of Schizencephaly?

The severity of complications depends on the extent of the brain malformation.

Living With Schizencephaly

Living with schizencephaly often requires ongoing care from neurologists, pediatricians, rehabilitation specialists, therapists, and educators. Regular therapy, seizure management, developmental support, and individualized educational programs can help children achieve their maximum potential and improve their overall quality of life.