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Copyright 1986, 1987, 1988, 1991, 1992, 1994, 1995, 1997, 1999, 2002, 2007
Synonyms of McCune Albright Syndrome
- Albright Syndrome
- MAS
- Osteitis Fibrosa Disseminata
- PFD
- POFD
- Polyostotic, Fibrous Dysplasia
- Precocious Puberty with Polyostotic Fibrosis and Abnormal Pigmentation
Disorder Subdivisions
General Discussion
McCune-Albright Syndrome (MAS) is a rare multisystem disorder characterized by (1) replacement of normal bone tissue with areas of abnormal fibrous growth (fibrous dysplasia); (2) patches of abnormal skin pigmentation (i.e., areas of light-brown skin [cafe-au-lait spots] with jagged borders); abnormalities in the glands that regulate the body’s rate of growth, its sexual development, and certain other metabolic functions (multiple endocrine dysfunction). Depending on the number and location of the skeletal abnormalities, mobility may be impaired, as well as vision and/or hearing, and the individual may experience substantial pain. Malfunctioning endocrine glands can result in the development of secondary sexual characteristics at an age younger than normal (precocious puberty).
McCune-Albright Syndrome is the result of a genetic change (mutation) that occurs randomly, for no apparent reason (sporadic). In individuals with the disorder, this sporadic genetic mutation is present in only some of the body's cells (mosaic pattern). The symptoms and physical characteristics associated with the disorder vary greatly from case to case, depending upon the specific body cells and tissues that are affected by the genetic mutation. This mutation occurs after fertilization (postzygotic somatic mutation). It is not inherited from the parents.
The range of severity of the disorder is very broad: some children are diagnosed in early infancy with obvious anomalies of bone and increased hormone production by one or more of the endocrine glands; others show no evidence of bone, skin or endocrine malfunction in childhood and may enter puberty at an appropriate age.
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Organizations related to McCune Albright Syndrome
- Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg MD 20898-8126
Phone #: 301-251-4925
800 #: 888-205-2311
e-mail: ordr@od.nih.gov
Home page: http://rarediseases.info.nih.gov/Default.aspx
- MAGIC Foundation
6645 W. North Avenue
Oak Park IL 60302
Phone #: 708-383-0808
800 #: 800-362-4423
e-mail: mary@magicfoundation.org
Home page: http://www.magicfoundation.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
- NIH/National Institute of Child Health and Human Development
31 Center Dr
Building 31, Room 2A32
MSC2425
Bethesda MD 20892
Phone #: 301-496-5133
800 #: --
e-mail: N/A
Home page: http://www.nichd.nih.gov/
- Paget Foundation for Paget's Disease of Bone and Related Disorders
120 Wall Street
Suite 1602
New York NY 10005
Phone #: 212-509-5335
800 #: 800-237-2438
e-mail: pagetfdn@aol.com
Home page: http://www.paget.org
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