http://www.huntsmancancer.org/groups/myeloma/isMyelomaHeredi
"research into whether or not multiple myeloma runs in families strongly suggests that hereditary forms do exist."
“However, we can also identify individuals with multiple myeloma who do not exist in such clusters, which indicates that environmental or sporadic forms of the disease exist as well,”
“We found significant co-clustering of multiple myeloma with chronic lymphocytic leukemia (CLL) and Non-Hodgkins Lymphoma, in particular,”
"results suggest that some of the genetic factors in multiple myeloma may be similar to the genetic risk factors for other B-cell hematologic malignancies and other solid tumors."