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Diagnostic Radiology (Expert Forum)

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ct without oral contrast

Answered by

Sumer K Sethi, MD - Radiology

Teleradiology Providers Delhi - India

Questions in the Diagnostic Radiology forum cover topics including body imaging, bone scans, breast imaging, CT scan, magnetic resonance imaging (MRI), MRA, NMR, ultrasound, and x-rays.

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MedHelp Member's Question

ct without oral contrast

by jn_123, Oct 29, 2008 11:05AM

would a ct without oral contrast miss adenopathy?
I has iv contrast but not oral contrast of abdomen pelvic
thank you

Doctor's Answer

by Sumer K Sethi, MD

, Nov 05, 2008 11:19PM

To: jn_123

CT scan of abdomen is usually done with oral contrast and i/v contrast and using both is essential to comment on lymphandenopathy. It is difficult to differentiate lymphnodes from unopacified bowel loops.

Member Comments (2)

by Dakota1958, Dec 03, 2008 04:50PM

To: Dr. Sethi

I have had multiple hernia repair all at once last Nov. Starting this March I began not feeling well only to find out after 5 repeated noncontrast use CT scans that I have a abdomen abscess. I was treated three time may-aug with 2 jp drain tubes and then a wound vac. After thinking I was o.k. through sept and oct. we have found through ct no contrast a "residual abscess". What causes this? Also why is it that some radiologist claim they cant "see" an abscess, yet its there (3.3cm x 1.6 cm) and the surgeon can look and see it?
Help?
Thanks,
Dakota-ohio USA

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