Participants will receive an MRI with a custom-built MRI coil for each participant. The purpose is to find out whether this custom-built MRI coil can help doctors see the different parts of the spine as well as or better than they can with standard CT myelograms.

Inclusion Criteria:

• >/= 18 years of age at the time of treatment

• Able to give informed consent

• Consented for spine stereotactic radiation therapy

• No contraindications for CT myelograms which include:

  • Allergy to CT contrast
  • Use of phenothiazines
  • Platelet count < 60,000 K/mcl
  • INR > 1.5
  • VEGF inhibitor use in the past 2 weeks prior to myelogram
  • NSAID use in the past 5 days prior to myelogram
  • Renal disease
  • Creatinine > 1.2 mg/dL

• No contraindications for MRI scans which include:

  • Newly placed glucose monitors
  • Tattoos (Tattoos for radiation therapy are allowed)
  • Presence of a cardiac pacemaker
  • Presence of an implanted cardioverter defibrillator
  • Breast tissue expander
  • Aneurysm clip
  • Any other implanted metallic (BB, bullet, shrapnel, IUD, metallic stent or filter, spinal cord simulator etc.) or electronic device which is considered MR unsafe
  • Severe claustrophobia or inability to lie flat for the duration of the study, etc.

Exclusion Criteria:

• Presence of surgical spine hardware at the region of interest
• Presence of cervical spine lesions
• History of claustrophobia

Memorial Sloan Kettering Cancer Center supports the international committee of medical journal editors (ICMJE) and the ethical obligation of responsible sharing of data from clinical trials. The protocol summary, a statistical summary, and informed consent form will be made available on clinicaltrials.gov when required as a condition of Federal awards, other agreements supporting the research and/or as otherwise required. Requests for deidentified individual participant data can be made beginning 12 months after publication and for up to 36 months post publication. Deidentified individual participant data reported in the manuscript will be shared under the terms of a Data Use Agreement and may only be used for approved proposals. Requests may be made to: crdatashare@mskcc.org.