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FRCPath Haem Part 1 MCQ-Morphology 290

A trephine biopsy from pt with IgM MGUS shows lymphoplasmacytic infiltration. Clusters of CD117+ mast cells are seen surrounding infiltrates. Likely diagnosis?

  • Follicular lymphoma

  • Multiple myeloma

  • Waldenström macroglobulinemia

  • Systemic Mastocytosis

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