1 MCQs in Pathology for NEET PG
A 68-year-old man presents with generalized lymphadenopathy, hepatosplenomegaly, and bone marrow involvement. Lymph node biopsy shows monomorphic small-to-medium B cells with irregular nuclei. Immunophenotype: CD5+, CD20+, CD23-negative, cyclin D1+. FISH analysis reveals the fusion signal marked **A** in the diagram. Which of the following best explains the pathogenic mechanism underlying this lymphoma?
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