Leukoencephalopathy-spondyloepimetaphyseal dysplasia syndrome
Synonyms: H-SMD | Hypomyelination-spondyloepimetaphyseal dysplasia syndrome | Leukoencephalopathy-SEMD syndrome | Leukoencephalopathy-metaphyseal chondrodysplasia syndrome
A rare genetic neurological disorder characterized by the association of hypomyelinating leukodystrophy with spondylometaphyseal dysplasia. Patients present in infancy with absent or delayed ability to walk independently slowly progressive motor deterioration spasticity ataxia proximal weakness and joint contractures. Additional manifestations include mild cognitive impairment short stature scoliosis enlarged and deformed joints dysarthria nystagmus visual defects and mildly dysmorphic features among others. Mode of inheritance is X-linked recessive.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version September 2023.
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Advocacy Organizations
Aicardi-Goutieres Syndrome Advocacy Association
AGSAA is a global coalition of deeply dedicated parent advocates working alongside clinicians, researchers, and scientists. We are united in our desire to improve the lives of individuals and families living with Aicardi-Goutières Syndrome and those yet to be diagnosed. Everything we do reflects a sense of urgency to rescue patient potential and preserve quality of life through accelerating research and providing timely emotional and educational support alongside evolving clinical care recommendations to affected families.
United Leukodystrophy Foundation
OUR MISSION is to provide support to the leukodystrophy community and enable platforms to accelerate improving patient quality of life and finding cures.
cure LBSL
Find a cure for LBSL, advance awareness of the disease, and support patients, families, and medical providers confronted with this ultra-rare condition.
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.
KIF1A.ORG
KIF1A.ORG is a global community dedicated to improving the lives of those affected by KIF1A Associated Neurological Disorder (KAND) and accelerating research to find a cure.
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.
Moonshots for Unicorns
Curing single-gene disorders
COMBINEDBrain Inc
COMBINEDBrain is a consortium for outcome measures and biomarkers for neurodevelopmental disorders. We are collaborating to cure rare, non-verbal brain 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.
Clinical Trials
For a list of clinical trials in this disease area, please click here.