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NINDS Disorders is an index of neurological conditions provided by the National Institute of Neurological Disorders and Stroke. This valuable tool offers detailed descriptions, facts on treatment and prognosis, and patient organization contact information for over 500 identified neurological disorders.

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Hydromyelia

Hydromyelia refers to an abnormal widening of the central canal of the spinal cord that creates a cavity in which cerebrospinal fluid (commonly known as spinal fluid) can accumulate.  As spinal fluid builds up, it may put abnormal pressure on the spinal cord and damage nerve cells and their connections.  Hydromyelia is sometimes used interchangeably with syringomyelia, the name for a condition that also involves cavitation in the spinal cord.  In hydromyelia, the cavity that forms is connected to the fourth ventricle in the brain, and is almost always associated in infants and children with hydrocephalus or birth defects such as Chiari Malformation II and Dandy-Walker syndrome.  Syringomyelia, however, features a closed cavity and occurs primarily in adults, the majority of whom have Chiari Malformation type 1 or have experienced spinal cord trauma.   Symptoms, which may occur over time, include weakness of the hands and arms, stiffness in the legs; and sensory loss in the neck and arms. Some individuals have severe pain in the neck and arms. Diagnosis is made by magnetic resonance imaging (MRI), which reveals abnormalities in the anatomy of the spinal cord..     

Treatment

Generally, physicians recommend surgery for children with hydromyelia if they have moderate or severe neurological deficits. Surgical treatment re-establishes the normal flow of spinal fluid.

Prognosis

Surgery may permanently or temporarily relieve symptoms, but it can also cause a number of severe complications. In rare cases, hydromyelia may resolve on its own without any medical intervention.   

Research

The National Institute of Neurological Disorders and Stroke (NINDS) conducts research related to hydromyelia in its clinics and laboratories at The National Institutes of Health (NIH) and supports additional research through grants to major research institutions across the country.  Much of this research focuses on finding better ways to prevent, treat, and ultimately cure abnormalities of the spinal cord such as hydromyelia.

View a list of studies currently seeking patients.

View more studies on this condition.

Organizations

March of Dimes

Works to improve the health of babies by preventing birth defects and infant mortality through programs of research, community services, education, and advocacy.

1275 Mamaroneck Avenue
White Plains, NY 10605
Tel: 914-997-4488 888-MODIMES (663-4637)
Fax: 914-428-8203

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