Diseases & Conditions


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Klippel-Feil Syndrome


Synonyms of Klippel-Feil Syndrome
  • Cervical Vertebral Fusion
  • Congenital Cervical Synostosis
  • KFS

Disorder Subdivisions

  • Klippel-Feil Syndrome, Type I
  • Klippel-Feil Syndrome, Type II
  • Klippel-Feil Syndrome, Type III


General Discussion
Klippel-Feil syndrome (KFS) is a rare condition that is evident at birth (congenital). KFS is primarily characterized by abnormal union or fusion of two or more bones of the spinal column (vertebrae) within the neck (cervical vertebrae). Some affected individuals may also have an abnormally short neck, restricted movement of the head and neck, and a low hairline at the back of the head (posterior hairline).

In some individuals with KFS, the condition may be associated with additional physical abnormalities. These may include abnormal curvature of the spine (scoliosis), rib defects, or other skeletal abnormalities; hearing impairment; certain malformations of the head and facial (craniofacial) area; or structural abnormalities of the heart (congenital heart defects). In addition, in some cases, neurological complications may result due to associated spinal cord injury.

In most individuals with KFS, the condition appears to occur randomly for unknown reasons (sporadically). However, in other cases, KFS may be inherited as an autosomal dominant or autosomal recessive trait.
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Organizations related to Klippel-Feil Syndrome
  • Klippel Feil Support
    2901 Cutters Grove Ave.
    Anoka MN 55303
    Phone #: N/A
    800 #: N/A
    e-mail: blackwhitecat95@aol.com
    Home page: http://www.klippelfeilsupport.com
  • Let Them Hear Foundation
    1900 University Ave #101
    East Palo Alto CA 94303
    Phone #: 650-462-3143
    800 #: 877-735-2929
    e-mail: info@letthemhear.org
    Home page: http://www.letthemhear.org
  • MUMS (Mothers United for Moral Support, Inc) 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/
  • Madisons Foundation
    PO Box 241956
    Los Angeles CA 90024
    Phone #: 310-264-0826
    800 #: N/A
    e-mail: getinfo@madisonsfoundation.org
    Home page: http://www.madisonsfoundation.org
  • NIH/National Arthritis and Musculoskeletal and Skin Diseases Information Clearinghouse
    1 AMS Circle
    Bethesda MD 20892-3675
    Phone #: 301-495-4484
    800 #: 877-226-4267
    e-mail: NIAMSinfo@mail.nih.gov
    Home page: http://www.niams.nih.gov/Health_Info



For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ? (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html