Who is at Risk for Developing Multiple Myeloma?? Multiple Myeloma is the type of bone marrow cancer that grows in the bone marrow plasma cells. The cancerous plasma cell is thus called a myeloma cell. This cancer type forms as multiple patches in the bone marrow. Read More: https://rb.gy/g3vu2h #myeloma #myelomawarrior #myelomaawareness #myelomauk