#1 Jun 29, 2013
I was at a speech where the speaker mentioned that tumors tend to be in low-oxygen conditions, mainly because the growth of vessels cannot keep up.

This means that the partial pressures of gasses in any fluid surrounding them (or inside cells maybe as well) is different from the rest of the body.

On the basis of this, i think by changing the overall air pressure of where the patient is, microbubbles could be induced there, and possible sites of tumor growth identified. There are already techniques in place for using microbubbles (as noted on the wikipedia page for microbubbles) for imaging.

Maybe this could be compounded by administering some gas mixture to the patient that is different from regular air (like it is done in scuba-diving) before hand.

Any thoughts on this?

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