National Organization for Rare Disorders, Inc.
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.
- Acromesomelic Dysplasia, Maroteaux Type
- Acromesomelic Dysplasia, Hunter-Thompson Type
- Acromesomelic Dysplasia, Grebe Type
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.
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Little People of America, Inc.
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Restricted Growth Association
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PETERBOROUGH, Intl PE1 9GX
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NIH/National Arthritis and Musculoskeletal and Skin Diseases Information Clearinghouse
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Bethesda, MD 20892-3675
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
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
Tel: 44 161 275 5642
Fax: 44 161 275 5082
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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