1. Clinical case
A 47-year-old female patient was diagnosed with multiple myeloma, which debuted with pain in the lumbar spine and right shoulder joint. In dynamics, despite symptomatic therapy, the pain intensified. According to computed tomography (CT), multiple foci of the destruction of the bones of the thoracic spine, I and VII thoracic vertebrae with a soft tissue component of 1.0-1.3cm, foci of the destruction of the sternum, scapula on the right with a soft tissue component measuring 1.0*1.3cm, and foci of the destruction of the sacrum and iliac bones were observed.