Synonyms: Dennis-Fairhurst-Moore syndrome | Hallermann-Streiff-François syndrome, severe form | Severe Hallermann-Streiff-François syndrome
A rare genetic bone development disorder characterized by multiple congenital fractures slender ribs and long bones deficient ossification of the skull and dysmorphic facial features reminiscent of Hallermann-Streiff syndrome (such as high forehead and triangular face with small jaw deep-set eyes beaked narrow nose downturned mouth and posteriorly angulated ears). Bilateral microphthalmia cataracts and pulmonary hypoplasia have also been reported. The disease is fatal in the neonatal period. There have been no further descriptions in the literature since 1995.
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 April 2026
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Hallermann-Streiff-like syndrome?
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Advocacy Organizations
National Foundation for Ectodermal Dysplasias
Together, we enrich the lives of people affected by ectodermal dysplasias by fostering community, providing education and support, and driving advocacy and groundbreaking research—creating a brighter future for all.
PPP2CA Pathways
PPP2CA Pathways connects families, shares strength, and supports the research community in the search for answers to Houge-Janssens Syndrome type 3.
The Chandler Project
The Chandler Project brings awareness and shines a light on transformative research surrounding achondroplasia and other skeletal dysplasias by offering support to a global community and network of patients, parents, and caregivers seeking information on scientific discoveries, pharmaceutical advancements and surgical treatment options.
Wave of Support, Inc
Empowering those affected by bleeding disorders and other rare disease through advocacy, resources, education, and support
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Clinical Trials
For a list of clinical trials in this disease area, please click here.