Prognostic Value Of Lymphocyte Count and Lymphocyte/ Monocyte Ratio in Patients With Hodgkin's Lymphoma

Hodgkin Lymphoma

Lymphocyte count, International Prognostic Score, Lymphocyte/monocyte Ratio, Prognosis

This study is to assess the utility of using Absolute Lymphocyte count, Lymphocyte/Monocyte Ratio and International Prognostic Scote at diagnosis in Hodgkin's Lymphoma as a prognostic predictor of therapeutic response, overall survival and progression free survival

Hodgkin's Lymphoma has a high cure rate even if patients do not complete their treatment, this proposes that some patients may experience overtreatment and that would have negative effects (such as cardiac toxicity, sterility, secondary malignancies...) which makes it imperative to search for prognostic predictor suitable for all stages of disease, knowing that the International Prognostic Score IPS is restricted to advanced stages of the disease. Absolute Lymphocyte count reflects the immune status of the individuals. It has been shown that an individual's immune status controls the extent of his response treatment, overall survival and his progression free survival because of the role that Lymphocytes play in suppressing and eliminating tumor cells. Tumor-Associated Macrophages TAMs have been shown to play a role in tumor growth and development. Also, it has been shown that an increase in peripheral Monocyte count is associated with an increase in TAMs, so that the Monocyte count may constitute an important prognostic predictor. Combining the Lymphocyte count and the Monocyte count into one index may be better for estimating the prognosis. The aim of this study is to determine the prognostic significance of Absolute Lymphocyte count ALC, Lymphocyte/Monocyte Ratio LMR and International Prognostic Score IPS at the cut-off points: 1500 cells per microliter for ALC, 2.9 for LMR and Score=3 for IPS. Investigators get these cut-off points by conducting a retrospective case-control study on previous patients in Oncology Center, Tishreen Hospital, Syria in 2020. This study will be prospective cohort : 1. participants will be divided into two subgroups (patients have ALC \>= 1500 cells per microliter and who have ALC \< 1500 cells per microliter). Those two subgroups will be homogenized in terms of other prognostic factors using Propensity Score. 2. the same participants will be also divided into another two subgroups (who have IPS \< 3 and who have IPS \>=3) and Those two subgroups will be homogenized using Propensity Score. 3. Finally the same participants will be divided into two subgroups (who have LMR \>= 2.9 and who have LMR \< 2.9) and Those two subgroups will be homogenized as mentioned before. Then Investigators will monitor the therapeutic response, overall survival and progression free survival for 18 months for each subgroup and compare these indexes to determine the effectiveness of each of them in each stage of the disease

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Syria