Progressive Osseous Heteroplasia
National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Progressive Osseous Heteroplasia 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.
Progressive osseous heteroplasia (POH) is an extremely rare disorder characterized by abnormal development of bone in areas of the body where bone is not normally present (heterotopic ossification). The disorder first appears as areas of patchy bone formation (ossification) in the skin during infancy; heterotopic ossification progresses to involve superficial and deep connective tissues, areas of fat beneath the skin (subcutaneous fat), muscles, tendons, ligaments, and the sheets of fibrous tissue that envelop muscle (fascia). This abnormal formation of bone may restrict the movement of affected joints and/or hinder the growth of affected limbs. The course of the disease is unpredictable; some areas of the body may become severely affected while others may remain unaffected.
Genetic and Rare Diseases (GARD) Information Center
- PO Box 8126
- Gaithersburg, MD 20898-8126
- Tel: (301)251-4925
- Fax: (301)251-4911
- Tel: (888)205-2311
- Website: http://rarediseases.info.nih.gov/GARD/
NIH/National Institute of Arthritis and Musculoskeletal and Skin Diseases
- Information Clearinghouse
- One AMS Circle
- Bethesda, MD 20892-3675
- Tel: (301)495-4484
- Fax: (301)718-6366
- Tel: (877)226-4267
- Email: NIAMSinfo@mail.nih.gov
- Website: http://www.niams.nih.gov/
Progressive Osseous Heteroplasia Association
- 5327 Westpointe Plaza Drive #113
- Columbus, OH 43228
- Tel: (614)887-7642
- Email: Info@pohdisease.org
- Website: http://www.pohdisease.org
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.
For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email email@example.com
Last Updated: 12/14/1969
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