<prompt> Which of the following is false -BCL-6: Burkitts lymphomaBCL-2: Follicular mantle cell lymphomaCD-10: Mantle cell lymphomaCD 34: Diffuse large B cell lymphoma  <response>: Ans. d Diffuse large B cell lymphomaRef: Robbins 9thpg 597; 8thpg 607; WHO Hemato- lymphoid Tumors 4TH ed 2008, pg231, 264Discussing the options one by one,. BCL-6: Burkitts lymphomaTrue, CD19, CD20, CD22, CD10, Bcl6 are positive in Burkitts. BCL-2: Follicular lymphomaTrue, CD19, CD20, CD22, CD10, Bcl2 are positive in Follicular Lymphoma. CD-10: Mantle cell lymphomaTrue, CD19, CD20, CD22, CD5, FMC-7, CD43 positive while Cd10 Bcl6 negative in Mantle cell Lymphoma;Blastoid pleomorphic variants are CD5 -ve, CD10, Bcl6 ve. CD 34: Diffuse large B cell lymphomaFalse CD19, CD20, CD22, CD79a, CD10 Bcl6 are positive is DLBCLCD34 is a marker of blasts, so positive in Acute Leukemia 