Central Core Disease
National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Central Core Disease 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.
- Muscle Core Disease
- Muscular Central Core Disease
- Myopathy, Central Fibrillar
- Shy-Magee Syndrome
- Central Core Disease of Muscle
- Myopathy, Central Core
Central core disease (CCD) is a rare genetic neuromuscular disorder that is classified as a congenital myopathy, meaning that it is a muscle disorder (myopathy) that is present at birth (congenital). Affected infants have diminished muscle tone (hypotonia) resulting in abnormal "floppiness", muscle weakness, and a variety of skeletal abnormalities such as side-to-side curvature of the spine (scoliosis). Muscle weakness normally affects the proximal muscles, which are those muscles closest to the center of the body such as the muscles of the shoulder, pelvis and upper arms and legs. Affected infants may experience delays in acquiring motor milestones such as crawling or walking. Some individuals with CCD may be susceptible to developing malignant hyperthermia, a condition in which individuals develop adverse reactions to certain anesthetic drugs. CCD may be very mild or may cause serious complications. Most cases are inherited as autosomal dominant trait and associated with nonprogressive muscle disease and a favorable prognosis. Some cases are inherited as autosomal recessive traits and are more likely to be associated with severe complications.
The disorder derives its name from characteristic, abnormal areas within the centers of muscle fibers. These abnormal "central cores" are detected during microscopic examination of small samples of muscle tissue (muscle biopsy). Such study may reveal characteristic findings such as a lack of mitochondria, the parts of the cells that release energy, or absence of the sarcoplasmic retiuculum, an internal membrane of muscle fibers.
March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
White Plains, NY 10605
Malignant Hyperthermia Association of the United States
1 North Main St
PO Box 1069
Sherburne, NY 13460
North American Malignant Hyperthermia Registry
Penn State University
Dept. of Anesthesiology
P.O. Box 850
Hershey, PA 17033-0850
Muscular Dystrophy Association
3300 East Sunrise Drive
Tucson, AZ 85718-3208
NIH/National Institute of Neurological Disorders and Stroke
P.O. Box 5801
Bethesda, MD 20824
MedicAlert Foundation International
2323 Colorado Avenue
Turlock, CA 95382
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
PO Box 241956
Los Angeles, CA 90024
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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.
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Last Updated: 10/12/2007
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