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These all have different strengths and weaknesses, so combining them is pretty common. If you were planning a brain surgery, you might want an MRI+CT, which wo
by mattkrause 7y ago
These all have different strengths and weaknesses, so combining them is pretty common.
If you were planning a brain surgery, you might want an MRI+CT, which would let you map points on the skull (or things inserted into the brain) onto a more accurate map of the brain. You might even add fMRI to know what these regions do (though this is fairly rare still).
Ditto for MRI+PET or CT+PET, where you might want to see where a tumor is relative to some bone or organ.
- ska 7y agoMore likely to see DTI than fMRI today in practice for this sort of work. CT + MRI is pretty standard, often with both a T1 and T2 type contrast of some sort, e.g. SPGR.
- mattkrause 7y agoDTI identifies white matter pathways, but it can't (alone) tell you much about function, can it?
- ska 7y agoTrue, at least not directly (you can segment tractography to infer this to some degree). But fMRI is rarely used in practice for this, and may not be specific enough for many needs. Physical mapping is still very common for function.