What is the difference between CT scan and MRI? indication and contraindications!
Question:
What is the difference between CT scan and MRI? indication and contraindications?
Answers:
CT Scan: Practically speaking, X rays are used, and are indicated in soft tissue evaluation e.g.hematoma of brain, differentiate between a cyst and solid mass, cardiac scanning, etc.
Contraindications are the same as that of Xray e.g. pregnancy.
MRI: A strong magnetic field is applied, mostly indicated in bony outline of vertebras, thecal matter, e.g in osteoarthritis.
Contraindications: PPM patients, Austin Moore prosthesis etc.
In combination with Nuclear Isotopes both, are used in diagnosis, demarcation of field for surgery, palliative treatment of joint pain, Boron for Ca brain treatment.
In short you can see physiology and pathology at work.