Background: Non-Hodgkin’s lymphomas (NHL) are malignant tumors that develop from lymphoid tissue. Primary lymph node (LN) involvement is the most common localization (52-70%). The integration of Rituximab (R) in the NHL treatment represented a turning point. The aim of this study was to evaluate the therapeutic impact of the use of R in combination with conventional polychemotherapeutic (PChT) in the treatment of nodal onset NHL. Material and methods: A descriptive cohort study was performed on 80 patients diagnosed with NHL. Results: In the study participated: men – 39(48.8%), women – 41(51.2%). The mean age of the patients was 56.09 ± 13.6 years. The onset of NHL occurred in peripheral l/n in 85.0% of cases, in mediastinal LN – 7.5%, and abdominals in 7.5%. Stages I-II were identified in 21(26.2%) patients, stages III-IV in 59(73.8%) cases. Aggressive NHLs were diagnosed in 54(67.5%) patients, indolent NHLs in 26(32.5%) cases. In 61(76.3%) patients, first-line R+PChT treatment was applied – group 1(G1), and in 19(23.8%) cases conventional PChT was applied – group 2(G2). The overall response rate (ORR) in G1 was 86.8%, in G2 – 63.1%. Complete remissions (CR) were obtained in G1 in 63.9% of patients, in G2 – 47.3% of cases. Progression-free survival (PFS) in G1 had a median of 20 months, and in G2 the median was 12 months (p <0.05). Conclusions: The use of Rituximab increased the ORR rate (86.8% vs 63.1%), the frequency of CR (63.9% vs 47.3%) and PFS (20 months vs 12 months (p <0.05).

Introduction: Hepatitis B virus (HBV) and hepatitis C virus (HCV) represent common infections that are presumably associated with various types of lymphoma and specific clinical features. However, conclusive data are lacking and results from different regional studies are conflicting. Hence, a national study was performed in order to investigate potential associations between hepatitis infections and lymphoma in the Republic of Moldova. Methodology: Data were collected from newly diagnosed adult lymphoma patients from January 2020 to January 2022. Patients who were not tested for HBsAg and anti-HCV and those with an undetermined lymphoma subtype diagnosis were excluded from the study. Subjects with and without viral hepatitis were then evaluated on the basis of clinical and pathological characteristics. Results: One hundred and twenty-nine lymphoma patients were included in the study; 15 (11.6%) patients were diagnosed with hepatitis B, 21 (16.3%) patients with hepatitis C, and 1 (0.78%) patient was positive for both. The majority of hepatitis patients were over 60 years old (62.2%), presented with stage III or IV (81%), had normal lactate dehydrogenase (58.3%) and 0 or 1 extranodal sites (78.4%). The most common lymphoma subtypes were diffuse large B-cell lymphoma (64.9%) and marginal zone lymphoma (8.1%). We did not find any statistically significant differences between infected and uninfected lymphoma patients in regards to clinical features, specific lymphoma subtypes, and presence and location of extranodal involvement. Conclusions: Presence of hepatitis B or C virus infections is not associated with specific clinical and pathological features in Moldovan lymphoma patients.

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