National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Hereditary Hyperphosphatasia is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
- chronic congenital idiopathic hyperphosphatasemia
- familial idiopathic hyperphosphatasia
- familial osteoectasia
- hyperostosis corticalis deformans juvenilis
- juvenile Paget's disease
Hereditary hyperphosphatasia is a rare genetic bone disorder (osteopathy) that becomes apparent during infancy or early childhood. Affected individuals develop progressive skeletal malformations especially in the long bones of the arms and legs. Skeletal malformations in the legs may cause problems walking and may eventually result in short stature. Additional symptoms include pain, fractures of affected bones, and muscle weakness. Because the biochemical and radiographic findings of hereditary hyperphosphatasia are similar to those of adult Paget's disease, a focal skeletal disorder of abnormal bone destruction and reformation, the disorder is sometimes referred to as juvenile Paget's disease. However, despite these similarities, the two disorders are distinct. Hereditary hyperphosphatasia is inherited as an autosomal recessive trait.
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March of Dimes Birth Defects Foundation
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NIH/Osteoporosis and Related Bone Diseases National Resource Center
- 2 AMS Circle
- Bethesda, MD 20892-3676
- Tel: (301)495-4484
- Fax: (301)718-6366
- Tel: (877)226-4267
- Email: NIHBoneInfo@mail.nih.gov
- Website: http://www.bones.nih.gov
For a Complete Report
This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".
The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.
It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report
This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.
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Last Updated: 12/19/1969
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