The Role of ¹⁸F-FDG PET/CT in Multiple Myeloma Staging according to IMPeTUs: Comparison of the Durie–Salmon Plus and Other Staging Systems

Figure 1

Details of classifications. Different colors represent different staging systems. Red color indicates that when staged by the RISS, the stages of nine patients were different from those staged by the DS Plus and DSS. Blue color indicates that when staged by the DS Plus, the stages of 11 patients were different from those staged by the RISS and DSS. Yellow color indicates that when staged by the DSS, the stages of 15 patients were different from those staged by the RISS and DS Plus. Light blue color indicates that the stages of 3 patients were the same when staged by the DSS and RISS. Green color indicates that the stages of 7 patients were the same when staged by the DS Plus and RISS. Pink color indicates that the stages of 3 patients were the same when staged by the DS Plus and DSS. The total number of patients was 33. Among the 33 MM patients, 12 patients were staged the same according to the three various staging systems (N = number of patients).