I've always assumed that a CT scan is better at "hard" objects, while an MRI is better at "soft" objects, but then I heard that CT scans (even without contrast) can be used to diagnose soft body issues. So now I'm kind of confused:

  1. Are there things that an MRI (with contrast) can "see better" than a CT (with contrast)?

  2. Are there things that a CT (with contrast) can see better than an MRI (with contrast)?

  3. And, for that matter, are there places where an ultrasound can see better than an MRI or CT?

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    General principles about this are readily available online, so would you mind to search on your own first and tell what have you've found? – Jan Jan 23 at 8:35