Syringomyelia Treatment Guidelines

Discover comprehensive syringomyelia treatment guidelines for healthcare professionals. Learn about diagnosis, treatment options, and management.

By Audrey Liz Perez on Aug 2, 2025.

Fact Checked by Ericka Pingol.

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What is syringomyelia?

Syringomyelia is a chronic condition where a fluid-filled cyst, known as a syrinx, forms within the spinal cord. This cyst can expand over time, causing significant damage to the spinal cord and disrupting cerebrospinal fluid (CSF) flow. The condition is often associated with various factors, including brain and spinal cord malformations like Chiari malformation, spinal cord tumors, tethered spinal cord, and spinal cord injury.

In some cases, the cause remains unknown, leading to idiopathic syringomyelia. Magnetic resonance imaging (MRI) is the primary tool to diagnose this condition, revealing the syrinx and any associated abnormalities within the spinal canal. Left untreated, syringomyelia can result in further spinal cord injury, leading to severe neurological deficits.

Symptoms of syringomyelia

Syringomyelia presents with various symptoms that can progressively worsen if not treated. These symptoms are primarily due to the disruption of normal functions within the spinal cord.

Chronic pain in the neck, shoulders, and back
Weakness and stiffness in the arms and legs
Loss of sensation, especially to temperature and pain
Muscle atrophy and weakness
Abnormal curvature of the spine (scoliosis)
Headaches, particularly with straining
Bladder and bowel dysfunction

Causes of syringomyelia

The development of syringomyelia is linked to several underlying conditions and factors. Understanding these causes is crucial for effective diagnosis and treatment.

Chiari malformation: Brain tissue extends into the spinal canal, disrupting CSF flow.
Spinal cord injury: Trauma can lead to the formation of a syrinx within the spinal cord.
Spinal cord tumors: Growths can obstruct the flow of cerebrospinal fluid.
Tethered spinal cord: A condition where the spinal cord is abnormally attached within the spinal canal, affecting CSF flow.
Infections: Conditions like meningitis can cause inflammation and syrinx formation.
Idiopathic syringomyelia: Cases where the exact cause is unknown.
Congenital conditions: Birth defects involving the brain and spinal cord.

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How is syringomyelia diagnosed?

Diagnosing syringomyelia involves clinical evaluation and imaging techniques to identify a fluid-filled cyst within the spinal cord. The process begins with a medical history and physical examination to assess symptoms like muscle weakness and neurological function.

Magnetic resonance imaging (MRI) is the primary tool used to diagnose syringomyelia, revealing the cyst and associated abnormalities such as Chiari malformations, where brain tissue extends into the spinal canal. This helps distinguish between primary spinal syringomyelia and secondary causes like spinal cord injuries or inflammation of the spinal cord membranes.

How do healthcare professionals treat syringomyelia?

Treating syringomyelia involves a combination of surgical and non-surgical approaches to manage symptoms and prevent further neurological damage. Treatment choice depends on the underlying cause and severity of the condition.

1. Decompression surgery

Posterior fossa decompression is often performed to treat syringomyelia associated with Chiari malformation. This surgery relieves pressure and restores the normal flow of cerebrospinal fluid around the brain and spinal cord.

2. Shunt placement

In cases where decompression is not sufficient or feasible, a shunt may be placed to drain the syrinx and reduce its size, alleviating pressure on the spinal cord.

3. Tumor resection

If a spinal cord tumor is causing the syrinx, removing the tumor can relieve the obstruction and improve the flow of cerebrospinal fluid.

4. Tethered cord release

For syringomyelia caused by a tethered spinal cord, surgical release of the tethered cord can help restore normal movement and reduce symptoms.

5. Symptom management and monitoring

Regular monitoring with MRI and clinical evaluations, combined with physical therapy and pain management, helps manage symptoms and track the progression of congenital syringomyelia and other forms.

Commonly asked questions

Magnetic Resonance Imaging (MRI) is the primary tool for diagnosing syringomyelia, as it reveals the presence of a fluid-filled cyst within the spinal cord and any associated abnormalities.

Common surgical treatments include posterior fossa decompression for Chiari malformations, shunt placement to drain the syrinx, and tumor resection if a spinal cord tumor is present.

Non-surgical management includes regular monitoring with MRI, physical therapy, pain management, and occupational therapy to maintain muscle strength and improve quality of life.