I was quoting the number for a modern 3 tesla MRI machines, which would fall into the 500k+ range on your link. These are high end but not necessarily rare. For example, UCSF has 4 of these machines. These can easily be on the order of 3 million+ with installation
3 T machines are not necessarily better, it depends on what they're trying to look at, getter a sharper image of noise is not useful.
Anyway, your estimate seems to be way off, basing it on a 6 year old puff piece for a cutting edge model that was deployed in a lab. The cost for a typical new MRI is more like $500k.
I never said I was talking about averages ct machines any more than a brand new 787-9 is the average plane. You can get a 20 year 737 for a lot less than 200mil, and is probably closer to the average.
If your point is that MRIs less than 3T exist, I agree. If your point is that cheaper MRI exist, I agree. If your point is that nobody has spent 3 mil on a CT, then I disagree. A link showing the price of used machines 10-15 years old isn’t going to change that.
https://www.pasadenanow.com/main/lab-in-emerging-biomedical-...
Here is a link for a 7 million suite to house one of the machines https://www.dignityhealth.org/sacramento/about-us/press-cent...
While costs for these machines are going down, even more expensive 7 and 10 Tesla machines are starting to be installed, going up to $14 million
https://www.nature.com/articles/d41586-018-07182-7