What genetic testing should an individual diagnosed with myeloma have done?

What genetic testing should an individual diagnosed with myeloma have done?
What are the new imaging guidelines for myeloma?
What new imaging techniques are being tested? How will imaging improve in the future?
When do you use each type of imaging technique?
Why should myeloma patients have a dexa scan in addition to advanced imaging?
How and when should CT scans be used? What do they show?
How and when should MRI's be used? What do they show?