. Author manuscript; available in PMC: 2017 Jul 1.

Published in final edited form as: Blood Rev. 2016 Apr 16;30(4):317–331. doi: 10.1016/j.blre.2016.02.003

Table 5. Multiple myeloma imaging staging system.

Stage	Durie-Salmon Plus staging system: MRI/PET
I	A: normal skeletal survey or single lesion (plasmocytoma) B*: 0-4 focal lesions or mild diffuse disease
II	A/B*: 5-20 focal lesions or moderate diffuse disease
III	A/B*: > 20 focal lesions or severe diffuse disease

B* is defined by a creatinine level > 2.0 mg/dL and/or extramedullary disease in PET/CT or MRI