What causes disease progression in pediatric non-Hodgkin lymphoma (NHL)?

Updated: Jun 14, 2018
  • Author: J Martin Johnston, MD; Chief Editor: Max J Coppes, MD, PhD, MBA  more...
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Most malignancies arise as disease localized in the organ or tissue of origin. They may then secondarily spread by means of local extension or distant metastases. In contrast, non-Hodgkin lymphoma is best regarded as a systemic disease, because of the unique anatomy of the lymphoid system and because of the physiology of lymphoid cells, which tend to migrate whether they are normal or malignant. The role of lymphoma stem cells in the genesis and maintenance of B-cell lymphomas remains speculative.(See Etiology.) [3]

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