Acromesomelic Dysplasia

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Acromesomelic Dysplasia 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.

Synonyms

  • Acromesomelic Dwarfism

Disorder Subdivisions

  • Acromesomelic Dysplasia, Maroteaux Type
  • Acromesomelic Dysplasia, Hunter-Thompson Type
  • Acromesomelic Dysplasia, Grebe Type

General Discussion

Acromesomelic dysplasia is an extremely rare, inherited, progressive skeletal disorder that results in a particular form of short stature (short-limb dwarfism). The disorder is characterized by acromelia and mesomelia. Mesomelia describes the shortening of the bones of the forearms and forelegs relative to the upper parts of those limbs. Acromelia is the shortening of the bones of the hands and feet relative to the upper and middle limb segments. Thus, the short stature of affected individuals is the result of unusually short forearms and abnormal shortening of bones of the lower (distal) legs. These findings are apparent during the first years of life. Abnormal cartilage and bone development may also affect other bones of the body, particularly those of the hands and feet (i.e., metacarpals, phalanges, metatarsals). At birth, the hands and feet may appear abnormally short and broad. Over time, the apparent disproportion becomes even more obvious, especially during the first years of life. The fingernails and toenails may also appear unusually short and wide.

Affected individuals may have additional abnormalities resulting from abnormal cartilage and bone development, including limited extension of the elbows and arms and/or progressive abnormal curvature of the spine. Other characteristic abnormalities include a relatively enlarged head (macrocephaly), slightly flattened midface, and/or small, pug nose. AMD is inherited as an autosomal recessive genetic trait.

Resources

MAGIC Foundation
6645 W. North Avenue
Oak Park, IL 60302
Tel: (708)383-0808
Fax: (708)383-0899
Tel: (800)362-4423
Email: mary@magicfoundation.org
Internet: http://www.magicfoundation.org

Little People of America, Inc.
250 El Camino Real
Suite 201
Tustin, CA 92780
Tel: (714)368-3689
Fax: (714)368-3367
Tel: (888)572-2001
Email: info@lpaonline.org
Internet: http://www.lpaonline.org

Restricted Growth Association
RGA Office
PO Box 1024
PETERBOROUGH, Intl PE1 9GX
United Kingdom
Tel: 01733 759458
Internet: http://www.restrictedgrowth.co.uk

NIH/National Arthritis and Musculoskeletal and Skin Diseases Information Clearinghouse
1 AMS Circle
Bethesda, MD 20892-3675
USA
Tel: (301)495-4484
Fax: (301)718-6366
Tel: (877)226-4267
TDD: (301)565-2966
Email: NIAMSinfo@mail.nih.gov
Internet: http://www.niams.nih.gov/Health_Info

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
TDD: (888)205-3223
Email: ordr@od.nih.gov
Internet: http://rarediseases.info.nih.gov/Default.aspx

European Skeletal Dysplasia Network (ESDN)
Wellcome Trust Centre for Cell-Matrix Research
Faculty of Life Sciences
University of Manchester
Michael Smith Building, Oxford Road
Manchester, M13 9PT
UK
Tel: 44 161 275 5642
Fax: 44 161 275 5082
Email: info@esdn.org
Internet: http://www.esdn.org

For a Complete Report

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ® (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html

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