A patient with myeloma contain

The cell that you are seeing here is a Mott cell. This is characteristically seen in the bone marrow aspirate of a myeloma patient. These cytoplasmic inclusions contain immunoglobulins and are called as Russel bodies.

The inclusions when present in the cytoplasm are called as Russel bodies and when present in the nucleus are called as Dutcher bodies.

The cells which contain these inclusions are called as Mott cells.