Conradi Hunermann Syndrome

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Conradi Hunermann Syndrome 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

  • Chondrodystrophia Calcificans Congenita
  • Conradi Disease
  • Dysplasia Epiphysialis Punctata
  • Chondrodysplasia Punctata, X-linked Dominant Type

Disorder Subdivisions

  • None

General Discussion

Conradi-Hunermann syndrome is a form of chondrodysplasia punctata, a group of rare, genetic disorders of skeletal development (skeletal dysplasias) characterized by unusual, "dotlike" (punctate) opacities representing abnormal accumulations of calcium salts (calcifications) within the growing ends of long bones (i.e., "stippled" epiphyses) and other regions. Conradi-Hunermann syndrome is commonly associated with mild to moderate growth deficiency; disproportionate shortening of long bones, particularly those of the upper arms (humeri) and the thigh bones (femora); short stature; and/or curvature of the spine. Many affected individuals also have a prominent forehead; unusually flattened midfacial regions (midfacial hypoplasia), with a low nasal bridge; loss of transparency of the lenses of the eyes (cataracts); sparse, coarse scalp hair; and/or abnormal thickening, dryness, and scaling of the skin. In rare cases, mild to moderate mental retardation may also be present. Evidence suggests that Conradi-Hunermann syndrome is usually inherited as an X-linked dominant trait that predominantly occurs in females. However, rare cases have also been reported in which males are affected.
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Resources

Human Growth Foundation
997 Glen Cove Avenue
Glen Head, NY 11545
Tel: (516)671-4041
Fax: (516)671-4055
Tel: (800)451-6434
Email: hgf1@hgfound.org
Internet: http://www.hgfound.org/

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

Foundation for Ichthyosis & Related Skin Types
1364 Welsh Road G2
North Wales, PA 19454
Tel: (215)619-0670
Fax: (215)619-0780
Tel: (800)545-3286
Email: info@scalyskin.org
Internet: http://www.scalyskin.org

Arc (a national organization on mental retardation)
1010 Wayne Ave
Suite 650
Silver Spring, MD 20910
Tel: (301)565-3842
Fax: (301)565-3843
Tel: (800)433-5255
TDD: (817)277-0553
Email: info@thearc.org
Internet: http://www.thearc.org/

Little People's Research Fund, Inc.
616 Old Edmondson Avenue
2nd Floor
Catonsville, MD 21228-3305
USA
Tel: (410)747-1100
Fax: (410)747-1374
Tel: (800)232-5773
Email: lprf@lprf.org
Internet: http://www.lprf.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

NIH/National Eye Institute
Building 31 Rm 6A32
31 Center Dr MSC 2510
Bethesda, MD 20892-2510
United States
Tel: (301)496-5248
Fax: (301)402-1065
Email: 2020@nei.nih.gov
Internet: http://www.nei.nih.gov/

MUMS National Parent-to-Parent Network
150 Custer Court
Green Bay, WI 54301-1243
USA
Tel: (920)336-5333
Fax: (920)339-0995
Tel: (877)336-5333
Email: mums@netnet.net
Internet: http://www.netnet.net/mums/

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

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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