<prompt> Origin of lymphoplasmacytic lymphoma is from:-Germinal centre T cellGerminal centre B cellPost germinal centre B cellPre germinal centre B cell  <response>: Lymphoplasmacytic lymphoma Waldenstrom Macroglobinemia : B cell lymphoma that exhibit plasmocytic differentiation, clinical symptoms dominated by hyperviscosity related to high level of tumor derived IgM. Origin:- Post geminal Centre B cell. 