DrVirgo
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DiGeorge's syndrome?
A?
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| robin082006
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Yes, DiGeorge, but not sure the answer
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| robin082006
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I go with B, absence Thymus causes widened shadow
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| Moslem Doctor
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what is meant by truncus arteriosis here? and what is the role of calcium in this Question?
any one can help?
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| sridevibandaru24
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B for sure. [in DiGeorge syndrome immunoglobulin levels are normal and T Lymphocytes are decreased. Absence of thymus is noticed as mediastinal widening]
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| DrVirgo
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I agree with everything EXCEPT that the shadow should be narrowed.
DiGeorge Syndrome has thymus aplasia!
Here is what I found.
"X-ray examination of the chest may reveal congenital malformation of the heart and vessels and absence of thymic shadow."
from: http://npi.jmfworld.org/patienttopatient/index.cf...
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| guangyu
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A
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| nadiabarati
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Hey why widened mediastinum when thymus is absent??!!!
the answer is C
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| zhoufg
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I think it is C. T cell dificiency and thymus should be narrow.
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| DrVirgo
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Why C? It should be A!
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| nadiabarati
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Hey Drvirgo why A? in the absence of thymus why widened mediatinum??
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| robin082006
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Nadia, it is not widened mediastinum.
in this case mediastinum is normal, but because of thymus absence, mediastinum's SHADOW is widened on Xray or other imagings.
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| nadiabarati
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thanks robin. but I'm actually talking about radiologic findings, not widened in reality. I'd better say when thymus is absent why the shadow of mediastinum seems wider??
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