Synonyms: Bessel-Hagen disease | Multiple cartilaginous exostoses
A primary bone disorder characterized by development of two or more cartilage capped bony outgrowths (osteochondromas) at the surface of the bones.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version September 2023.
Newly diagnosed with
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
The Chandler Project
The Chandler Project (TCP) provides those affected with achondroplasia, and other forms of skeletal dysplasia (dwarfism), with the latest in pharmaceutical research and surgical advancements.
My Faulty Gene
My Faulty Gene is a nonprofit organization which provides information and assistance to any individual whose family medical history suggests genetic testing might be helpful in identifying an increased risk of disease due to a genetic mutation. We believe that everyone in need of genetic testing should have access to it.
My Little Sunshine Foundation
My Little Sunshine is a non-profit foundation dedicated to educating people about the importance of fertility preservation and making fertility resources accessible to all.
Educate and provide resources to POC with Rare Cancers
Help Hope Live
Help Hope Live assists individuals living with catastrophic injuries and illnesses to fundraise toward their medical expenses and related costs.
CDG Canada supports patients and families affected by Congenital Disorders of Glycosylation (CDG).
Moonshots for Unicorns
Curing single-gene disorders
Our mission is to promote greater awareness and understanding of CDG & NGLY1-Deficiency, to provide information and support to families affected by CDG & NGLY1, and to advocate for and fund scientific research to advance the diagnosis and treatment of CDG & NGLY1-Deficiency.
Genetic Support Network of Victoria
The Genetic Support Network of Victoria is an organisation that supports people living with genetic, undiagnosed and rare conditions and those who support them including community and families, patient support organisations, health professionals and industry. Our vision is our community flourishing and living their best lives.
Mississippi Metabolics Foundation
Mississippi Metabolics Foundation (MMF) was founded to raise awareness, educate, and provide support to those living or caring for someone with genetic metabolic disorders/inborn errors of metabolism (IEM).
Louisiana Metabolic Disorders Coalition
We support, educate, and advocate for patients & families affected by metabolic disorders.
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
For a list of clinical trials in this disease area, please click here.