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That's interesting because it reminds me at approximately the same period of
time, i read somewhere  - maybe Time Magazine -  a similar metaphor .They
likened CT to a black and white  photo', MRI to a color print and PET to
avideo - at least I think I got it right  - it was something like that. The
important thing was that the PET scan gives the actaul living  state of
affairs.
hilary






[log in to unmask] wrote:
>
>  Several years ago,  ten perhaps, I read an article in The New York Times
>  Sunday Magazine  which  described Pet Scan in a metaphor which
>  I haven't forgotten:to wit: (loosely)
>       CT scan is the road map of the brain;
>       Pet Scan tells how the traffic is running.
>  Since that time considerable advances have been made in ths type of
> technology which this amateur has yet to fathom.
> [log in to unmask]   (Mary Manfredi) fourscore plus three/dx16