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1994-01-17
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$Unique_ID{BRK03477}
$Pretitle{}
$Title{Antley-Bixler Syndrome}
$Subject{Antley-Bixler Syndrome Multisynostotic Osteodysgenesis}
$Volume{}
$Log{}
Copyright (C) 1986, 1990 National Organization for Rare Disorders, Inc.
204:
Antley-Bixler Syndrome
** IMPORTANT **
It is possible the main title of the article (Antley-Bixler Syndrome) is
not the name you expected. Please check the SYNONYMS listing to find the
alternate names and disorder subdivisions covered by this article.
Synonyms
Multisynostotic Osteodysgenesis
General Discussion
** REMINDER **
The information contained in the Rare Disease Database is provided for
educational purposes only. It should not be used for diagnostic or treatment
purposes. If you wish to obtain more information about this disorder, please
contact your personal physician and/or the agencies listed in the "Resources"
section of this report.
Antley-Bixler Syndrome is a very rare disease which is probably inherited
as an autosomal recessive disorder. It is characterized by multiple skeletal
fusions, especially of the head, the hip bones, and part of the arm bones.
Symptoms
Only a few children suffering from Antley-Bixler Syndrome have been reported
in the medical literature. These children all present certain specific
characteristics such as a premature closing of the sutures of the skull
(craniosynostosis) with an incompletely developed midface (hypoplasia). This
results in a typical facial appearance and ear shape. There is also a union
between the adjacent bones of the upper and lower arm (radiohumeral
synostosis). Bowing of the hip bones (femora) and fractures of the hip bones
in newborns occurs in most patients with this disorder.
Causes
The cause of Antley-Bixler Syndrome is not known. It is probably an
autosomal recessive inherited disease. (Human traits including the classic
genetic diseases, are the product of the interaction of two genes for that
condition, one received from the father and one from the mother. In
recessive disorders, the condition does not appear unless a person inherits
the same defective gene from each parent. If one receives one normal gene
and one gene for the disease, the person will be a carrier for the disease,
but usually will show no symptoms. The risk of transmitting the disease to
the children of a couple, both of whom are carriers for a recessive disorder,
is twenty-five percent. Fifty percent of their children will be carriers,
but healthy as described above. Twenty-five percent of their children will
receive both normal genes, one from each parent and will be genetically
normal.)
Affected Population
Antley-Bixler Syndrome occurs in both boys and girls.
Related Disorders
The Camptomelic Syndrome is related to Antley-Bixler Syndrome. It is
characterized by abnormal development of bone and cartilage
(osteochondrodysplasia), and is associated with a flat face, bowed tibia
(shin bone) with skin dimpling, underdeveloped shoulder blades (hypoplastic
scapulae) and short vertebrae.
Acrocephalosyndactyly syndromes are characterized by a pointed head and
other deformities caused by premature fusion of the cranial sutures and
webbed fingers. Some of these characteristics are also be present in
children with Antley-Bixler Syndrome.
Therapies: Standard
Treatment for Antley-Bixler Syndrome is symptomatic and supportive. The
disorder can be diagnosed prenatally with ultrasound.
Therapies: Investigational
This disease entry is based upon medical information available through
January 1990. Since NORD's resources are limited, it is not possible to keep
every entry in the Rare Disease Database completely current and accurate.
Please check with the agencies listed in the Resources section for the most
current information about this disorder.
Resources
For more information on Antley-Bixler Syndrome, please contact:
National Organization for Rare Disorders (NORD)
P.O. Box 8923
New Fairfield, CT 06812-1783
(203) 746-6518
Forward Face
560 First Ave.
New York, NY 10016
(212) 263-5205
(800) 422-FACE
FACES
National Association for Craniofacially Handicapped
P.O. Box 11082
Chattanooga, TN 37401
(615) 266-1632
Society for the Rehabilitation of the Facially Disfigured, Inc.
550 First Ave.
New York, NY 10016
(212) 340-5400
National Association for the Craniofacially Handicapped
P.O. Box 11082
Chattanooga, TN 37401
(615) 266-1632
National Craniofacial Foundation
3100 Carlisle St., Suite 215
Dallas, TX 75204
(800) 535-3643
About Face
99 Crowns Lane
Toronto, Ontario M6R 3PA
Canada
(416) 944-3223
Let's Face It
Box 711
Concord, MA 01742
(508) 371-3186
NIH/National Institute of Dental Research
9000 Rockville Pike
Bethesda, MD 20892
(301) 496-41
For more information on genetics and genetic counseling referrals, please
contact:
March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
White Plains, NY 10605
(914) 428-7100
Alliance of Genetic Support Groups
35 Wisconsin Circle, Suite 440
Chevy Chase, MD 20815
(800) 336-GENE
(301) 652-5553
References
SMITH'S RECOGNIZABLE PATTERNS OF HUMAN MALFORMATION, 4th ed., Kenneth L.
Jones, M.D., W.B. Saunders, Co. 1988. Pp. 378-9.
MENDELIAN INHERITANCE IN MAN, 8th ed.: Victor A. McKusick; Johns Hopkins
University Press, 1986. P. 814.