Hereditary Multiple Exostosis

 Multiple hereditary exostosis, is a genetic condition that is often transmitted to a child by one parent, but it can also be caused by a genetic mutation. The gene for multiple hereditary exostosis produces a protein that influences bone growth and development, causing bony tumors called exostosis. Multiple hereditary exostosis is usually diagnosed around age 3 or 4, when the first exostosis appears. The exostoses are more protuberant as the child grows but stops developing as soon as a child hits adulthood. The tumors can cause pain when they arise under easily infected tendons or areas. First, a physical exam will be performed to help determine the tumor areas and the number of bones involved. X-rays will then be taken from any area where there is discomfort. A CT scan can be used to further evaluate bony tumors, and an MRI scan can be ordered to rule out any intrauterine growth. The treatment of hereditary multiple exostosis is the surgical removal of any tumors that cause pain or discomfort, or disrupt the child's movement.    

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