Multiple myeloma can produce painful bone fractures. The following CT scan (my personal archive) shows a patients with myeloma with severe deformity of the chest wall, due to both a sternal fracture (figure A) and a compression fracture of the spine causing kyphosis (figure B).
Lytic bone lesions of the skull in patients with multiple myeloma (my personal archive).
Appearance at x-rays:
The same lytic lesions of the skull visualized at CT scan:
Other lesions at MRI of the head:
Giampaolo Talamo, M.D.