Synonyms: Bloch-Siemens syndrome | Bloch-Sulzberger syndrome
An X-linked syndromic muti-systemic ectodermal dysplasia presenting neonatally in females with a bullous rash along Blaschko’s lines (BL) followed by verrucous plaques and hyperpigmented swirling patterns. It is further characterized by teeth abnormalities alopecia nail dystrophy and can affect the retinal and the central nervous system (CNS) microvasculature. It may have other aspects of ectodermal dysplasia such as sweat gland abnormalities. Germline pathogenic variants in males result in embryonic lethality.
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
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National Foundation for Ectodermal Dysplasias
The NFED mission is to empower and connect those touched by ectodermal dysplasias through education, support and research.
Genetic Epilepsy Team Australia
Collaboration of research and care
Our mission is to connect families, resources, and the medical community to advance research for a treatment or cure to DDX3X Syndrome. Our ultimate goal is to accelerate brain function in individuals affected by DDX3X Syndrome through advances in cell and gene therapy and pharmaceuticals.
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
Moonshots for Unicorns
Curing single-gene disorders
COMBINEDBrain is a consortium for outcome measures and biomarkers for neurodevelopmental disorders. We are collaborating to cure rare, non-verbal brain disorders.
For a list of clinical trials in this disease area, please click here.