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Diseases

Genetic and Rare Diseases Information Center (GARD)

Spinal intradural arachnoid cysts


Other Names for this Disease
  • Arachnoid cysts, spinal intradural
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Overview

Spinal intradural arachnoid cysts are cerebrospinal fluid-filled sacs that are located between the spinal cord and the arachnoid membrane (one of the three membranes that cover the brain and spinal cord). The signs and symptoms of the condition vary based on the size and location of the cysts. Some affected people may have no suspicious symptoms while others experience progressive back and leg pain; tingling or numbness in the hands or feet; weakness of the legs; and involuntary muscle spasms (spasticity) that result in slow, stiff movements of the legs. When present, symptoms usually occur when the cysts compress the spinal cord or other nearby nerves. Spinal intradural arachnoid cysts are often present at birth and are caused by developmental abnormalities in the spinal cord that occur during the pregnancy. They can also result from a previous infection or injury and develop later in life.[1][2] Although there is disagreement in the medical community regarding when to treat spinal intradural arachnoid cysts, the need for treatment generally depends on the size and location of the cyst and whether or not it is causing symptoms. When indicated, the cysts are typically treated with surgery.[2][3]
Last updated: 4/25/2016

References

  1. Ali Nawaz Khan, MBBS, FRCS, FRCP, FRCR. Arachnoid Cyst Imaging. Medscape Reference. January 2016; http://emedicine.medscape.com/article/336489-overview.
  2. NINDS Arachnoid Cysts Information Page. National Institute of Neurological Disorders and Stroke. March 2016; http://www.ninds.nih.gov/disorders/arachnoid_cysts/arachnoid_cysts.htm.
  3. Evangelou P, Meixensberger J, Bernhard M, Hirsch W, Kiess W, Merkenschlager A, Nestler U, Preuss M. Operative management of idiopathic spinal intradural arachnoid cysts in children: a systematic review. Childs Nerv Syst. April 2013; 29(4):657-664.
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Basic Information

In Depth Information

  • Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
  • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Spinal intradural arachnoid cysts. Click on the link to view a sample search on this topic.
Other Names for this Disease
  • Arachnoid cysts, spinal intradural
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.