Circulating tumor cells in Hodgkin's lymphoma-A review of the spread of HL tumor cells or their putative precursors by lymphatic and hematogenous means, and their prognostic significance

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Abstract

About 15% of patients diagnosed with classical Hodgkin's lymphoma (cHL) are considered high risk with unfavorable prognosis. The biology of the disease bears a direct relationship to its clinical course. However, some aspects of the disease are still being debated. Related topics include origin of neoplastic cells as circulating precursor versus germinal center B cell, and disease metastasis via hematogenous routes and the effect of HL circulation on relapse potential and further spread of the disease. The terminally differentiated giant neoplastic Hodgkin Reed-Sternberg (HRS) cells (HRSC) have limited proliferation and lack mobility. Therefore, they are unable to penetrate epithelium. Thus, the clinical aggressiveness of HRSCs that disseminate via both lymphatic and hematogenous may be determined by their molecular composition. This review discusses in detail the historical perspectives on scientific and clinical evidences of precursors of circulating HL cells and the prognostic importance of these circulating cells for predicting outcome. © 2014 The Authors.

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Gharbaran, R., Park, J., Kim, C., Goy, A., & Suh, K. S. (2014, March). Circulating tumor cells in Hodgkin’s lymphoma-A review of the spread of HL tumor cells or their putative precursors by lymphatic and hematogenous means, and their prognostic significance. Critical Reviews in Oncology/Hematology. https://doi.org/10.1016/j.critrevonc.2013.09.004

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