In most cases, the causes of lymphoma are not well known. We do know that people with immunity deficit, whether genetic,or acquired (by the AIDS virus, patients with organs transplanted, etc) are at a higher risk. Although the primary cause is not known, we are learning more and more about cellular and molecular mechanisms that lead to a lymphoma.

Within a few years, genetic risk factors are likely to be determined, i.e. if one newborn would be more predisposed to develop a lymphoma than another.When genetic factors are known, we will be able to act before the lymphoma appears and prevent it.