Myositis, Inclusion Body

Important
It is possible that the main title of the report Myositis, Inclusion Body 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

Disorder Subdivisions

Inflammatory Myopathy

General Discussion

Inclusion body myositis (IBM) is a rare inflammatory muscular disorder that usually becomes apparent during adulthood. The disorder presents as slow progressive weakness and withering away (atrophy) of the muscles (myositis), especially of the arms and legs. Inclusion body myositis frequently is diagnosed when a patient is unresponsive to therapy prescribed for polymyositis.

IBM is characterized by the gradual onset (over months or years) of muscle fatigue and weakness; a clear tendency to strike men more frequently than women; and affecting both the muscles closest to the body’s trunk (proximal) and those farthest from the trunk (distal). Onset is usually after age 50, although it may occur earlier.
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Resources

Muscular Dystrophy Association
3300 E. Sunrise Dr
Tucson, AZ 85718
USA
Tel: 5205292000
Fax: 5205295300
Tel: 8003444863
Email: mda@mdausa.org
Internet: http://www.mdausa.org

NIH/National Arthritis and Musculoskeletal and Skin Diseases Information Clearinghouse
1 AMS Circle
Bethesda, MD 20892-3675
USA
Tel: 3014954484
Fax: 3017186366
Tel: 8772264267
TDD: 3015652966
Email: NIAMSinfo@mail.nih.gov
Internet: http://www.niams.nih.gov/Health_Info

Myositis Association
1233 20th Street NW
Suite 402
Washington, DC 20036
Tel: (202)887-0088
Fax: (202)466-8940
Tel: (800)821-7356
Email: tma@myositis.org
Internet: http://www.myositis.org

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

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 orphan@rarediseases.org
Last Updated: 3/19/2008
Copyright 1989, 1995, 1996, 1997, 2003 National Organization for Rare Disorders, Inc.

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