FIGURE 1.

FIGURE 2.

FIGURE 3.

FIGURE 4.

FIGURE 5.

Means and standard deviations of MRI apparent diffusion coefficient (ADC) and CT numbers in virtual calcium subtraction (VNCa) images for all measured locations
| L1 | L2 | L3 | L4 | L5 | Averaged L1−L5 | |
|---|---|---|---|---|---|---|
| ADC | 554.12±177.42 | 520.02±171.74 | 546.19±179.75 | 523.20±175.14 | 524.3±173.17 | 536.30±163.93 |
| CaSupp 25 | −236.58±77.07 | −227.60±73.00 | −217.83±83.35 | −225.40±82.36 | −244.67±79.27 | −221.19±78.89 |
| CaSupp 35 | −138.15±46.58 | −131.15±43.86 | −127.11±51.4 | −133.38±49.30 | −143.10±48.23 | −128.84±47.37 |
| CaSupp 45 | −82.04±30.19 | −77.33±28.86 | −75.38±34.45 | −81.01±31.32 | −85.24±31.31 | −76.42±30.10 |
| CaSupp 55 | −45.12±20.87 | −41.925±20.70 | −41.32±24.80 | −46.57±20.95 | −47.08±21.44 | −41.92±19.91 |
| CaSupp 65 | −18.50±16.35 | −16.38±17.05 | −16.79±19.89 | −21.71±15.83 | −19.71±16.14 | −17.07±14.58 |
| CaSupp 75 | 2.03±15.39 | 3.29±16.53 | 2.12±18.3 | −2.58±14.9 | 1.42±14.54 | 2.08±13.26 |
| CaSupp 85 | 18.63±16.60 | 19.22±17.75 | 17.45±18.93 | 12.93±16.52 | 18.55±15.37 | 17.61±14.59 |
| CaSupp 95 | 32.46±19.15 | 32.46±20.12 | 30.25±20.75 | 25.98±19.16 | 33.00±17.41 | 30.59±17.20 |
Patient characteristics
| Characteristics | n |
|---|---|
| Age* | 57.9 ± 8.1 |
| Sex# | |
| Males | 26 (55.3%) |
| Females | 21 (44.7%) |
| Myeloma subtypes# | |
| IgG | 32 (68.1%) |
| IgA | 10 (21.3%) |
| Light chain | 5 (10.6%) |
| Plasma cell infiltration ratio obtained from the wing of ilium* | 0.54 ± 0.30 |
| Kappa/lambda SFLC ratio# | |
| High (< 0.01 or > 100) | 27 (57.4%) |
| Low (0.01−100) | 20 (42.6%) |
| Cytogenetic status# | |
| HRC | 26 (55.3%) |
| SRC | 21 (44.7%) |