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Is MRI necessary for Scoliosis?
Spinal cord deformities can accompany almost all scoliosis subtypes. These types of deformities are located in nerves and soft tissues, therefore, are not observable in X-rays.
MRIs are recommended for pre-operative patients to ensure spinal cord pathologies are detected.
Is CAT Scan necessary for Scoliosis?
For some scoliosis types (i.e. congenital scoliosis) CT scans can better analyze a deformity. CT also may be necessary for revision surgeries.
Nowadays, new generation CAT scanners use special protocols to scan the whole spine from occiput to coccyx with a very low dose radiation exposure, compared to that of a single chest X-ray.