Innumerable scattered variable sized osseous lesions are seen involving almost all of the examined vertebrae, sternal body and pelvic bones, the largest osseous lesion is seen at the left iliac bone measuring 4.5 x 1.9 cm along its maximal axial dimensions. They are seen eliciting low T1, intermediate to high signal on T2 WI and high signal on STIR WIs.
Marked structural collapse of L5 vertebra showing abnormal marrow infiltration appearing of low T1 and high T2 signal. Mild backward bulge of the collapsed vertebra indenting the thecal sac with no associated soft tissue components seen.