European journal of haematology
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Reactivation of hepatitis B virus (HBV) is less common in lymphoma patients with prior resolved HBV infection [characterized by hepatitis B surface antigen (HBsAg)-negative/hepatitis B core antibody (HBcAb)-positive status] compared with chronic HBV infection (HBsAg positive) when receiving chemotherapy alone. The use of rituximab in chemotherapy regimen might increase the risk of HBV reactivation in patients with prior resolved HBV infection. However, the incidence of HBV reactivation is uncertain, and prophylactic antiviral treatment for this group of patients during rituximab-containing chemotherapy is controversial. The objective of this study was to determine the incidence of HBV reactivation in HBsAg-negative/HBcAb-positive patients diagnosed of diffuse large B-cell lymphoma (DLBCL) and treated with CHOP-like or RCHOP-like regimen. In addition, this study also aims to explore the relationship of HBV reactivation and HBV serology. ⋯ The present study revealed a low HBV reactivation rate of 2.3% in prior resolved hepatitis B among DLBCL patients undergoing RCHOP-like therapy.