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Home > Archive > Radiology > June 2006 > Ct scan and acuracy without contrast.
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Ct scan and acuracy without contrast.
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| stryped 2006-06-04, 9:22 am |
| x-no-archive:yes
Well, went to the hospital for my sinus/chest ct. They asked me if I
was allergic to anything. I said no but the last time I had a ct with
contrast, 20 minutes later my face turned red and started itching. I
took a benedril and it went away.
They said they would do it without contrast.
Is this as acurate for fever of unknown origion? Will it still show
lymphnodes?
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| richard.epstein@alum.mit.edu 2006-06-04, 9:22 am |
| Sinus CT is usually done without contrast anyway.
Chest CT can be done both ways. Reasonable radiologists will disagree
on which they prefer. Anything in the lungs will be seen fine without.
Sensitivity for mediastinal lymph nodes is probably slightly less, but
this is very variable and for some patients it doesn't make much
difference.
If the radiologist feels that the study is inadequate, they can give
you a steroid prep and bring you back for images with contrast.
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