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Messages - 1RadMom

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CT Scan Protocols / CTPA in Abnormal Lung
« on: May 24, 2019, 02:15:37 pm »
It seems that, possibly due to increased interstitial pressure, there is often abnormal/slower perfusion of consolidated lung.  This is creating suboptimal contrast opacification of the segmental artery to the affected lung.  If one is asked to rule out PE where there is known to be pneumonia (I know, who needs 2 diagnoses?) does anyone add a few seconds before starting to scan?

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CT Scan Protocols / Sequence versus Spiral Routine Head
« on: January 23, 2019, 04:47:55 pm »
Good Afternoon Dr Fishman,

I am involved in a regional CT protocol standardization project. This is a very interesting exercise!  One group of radiologists strongly recommends that sequenced, rather than spiral scanning, is the ONLY way to go for a routine CT brain.  I do seem to recall that there can be slightly better spatial resolution.  Is this actually much better, or just a personal preference, in your opinion?  For some of our larger scanners, gantry tilt may no longer be possible. 

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