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Arachnoiditis

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Synonyms of Arachnoiditis
  • Arachnitis
  • Cerebral Arachnoiditis
  • Chronic Adhesive Arachnoiditis
  • Serous Circumscribed Meningitis
  • Spinal Arachnoiditis

Disorder Subdivisions

  • Adhesive Arachnoiditis
  • Arachnoiditis Ossificans
  • Neoplastic Arachnoiditis
  • Optochiasmatic Arachnoiditis
  • Postmyelographic Arachnoiditis
  • Rhinosinusogenic Cerebral Arachnoiditis
  • Spinal Ossifying Arachnoiditis


General Discussion
Arachnoiditis is a general term for several progressive regional disorders all of which result in the inflammation of parts of the middle membrane surrounding the spinal cord and brain (arachnoid membrane) and the space defined by this membrane (subarachnoid space). Either the spinal cord or the brain may be involved; in some cases, both are affected. This disorder can also be associated with meningitis. The condition may be caused by foreign agents such as anesthesia drugs or testing dyes injected into the spine or arachnoid membrane.

Since the subarachnoid space is continuous, it would be expected that a noxious agent introduced in one place would distribute itself throughout the space. However, such is not the case. The lower spinal roots and/or the spinal cord may be affected, while regions close by remain free of inflammation; hence, the term "spinal arachnoiditis". Similarly, the optic nerve and optic chiasm (crossing of nerve fibers) may be affected, giving rise to the term "opticochiasmatic arachnoiditis".
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Organizations related to Arachnoiditis
  • Academy of Spinal Cord Injury Professionals, Inc.
    801 18th Street NW
    Washington DC 20006
    Phone #: 202-416-7704
    800 #: --
    e-mail: toms@pva.org
    Home page: http://www.ascipro.org/
  • American Syringomyelia & Chiari Alliance Project Inc.
    300 N. Green Street, Suite 412
    PO Box 1586
    Longview TX 75606-1586
    Phone #: 903-236-7079
    800 #: 800-272-7282
    e-mail: info@asap.org
    Home page: http://www.asap.org
  • Canadian Syringomyelia Network
    69 Penny Crescent
    Markham
    Ontario None L3P 5X7
    Phone #: (90-5) -471-8278
    800 #: --
    e-mail: barb@csn.ca
    Home page: http://www.csn.ca
  • Genetic and Rare Diseases (GARD) Information Center
    PO Box 8126
    Gaithersburg MD 20898-8126
    Phone #: 301-251-4925
    800 #: 888-205-2311
    e-mail: http://rarediseases.info.nih.gov/GARD/EmailForm.aspx
    Home page: http://rarediseases.info.nih.gov/GARD
  • MUMS National Parent-to-Parent Network
    150 Custer Court
    Green Bay WI 54301-1243
    Phone #: 920-336-5333
    800 #: 877-336-5333
    e-mail: mums@netnet.net
    Home page: http://www.netnet.net/mums/
  • National Institute of Neurological Disorders and Stroke (NINDS)
    P.O. Box 5801
    Bethesda MD 20824
    Phone #: 301-496-5751
    800 #: 800-352-9424
    e-mail: me20t@nih.gov
    Home page: http://www.ninds.nih.gov/
  • National Spinal Cord Injury Association
    6701 Democracy
    Suite 300-9
    Bethesda MD 20817
    Phone #: 301-214-4006
    800 #: 800-962-9629
    e-mail: info@spinalcord.org
    Home page: http://www.spinalcord.org
  • Spinal Cord Society
    19051 County Hwy. 1
    Fergus Falls MN 56537
    Phone #: 218-739-5252
    800 #: --
    e-mail: scs-nc@nc.rr.com
    Home page: http://www.spinalcordsociety.com

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Last modified Wednesday, November 26, 2008