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DiGeorge's syndrome |
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DiGeorge's syndrome [dijôrj′əz] Etymology: Angelo M. DiGeorge, American physician, b. 1921 a congenital disorder characterized by severe immunodeficiency and structural abnormalities, including hypertelorism; notched, low-set ears; small mouth; downward slanting eyes; cardiovascular defects; and absence of the thymus and parathyroid glands. Death, often as a result of infection, usually occurs before 2 years of age. Rarely transplantation of a human fetal thymus is performed. Also called thymic hypoplasia, thymic parathyroid aplasia. DiGeorge's syndrome an immunodeficiency syndrome in humans and mice, associated with thymic hypoplasia or aplasia and absence of T lymphocytes, resulting from a congenital absence of the third and fourth branchial pouches. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Renewed immunity A thymus-tissue transplant enabled babies that were born with DiGeorge's syndrome to develop functional immune systems (164: 69). Sixteen-month-old Justin suffers from a rare immune disorder, DiGeorge's Syndrome, and must stay inside his Sylmar home or risk contracting viruses he cannot fight. Clinicians estimate that DiGeorge's syndrome affects 1 in 4,000 newborns and is the second most common cause of congenital heart defects. |
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