Info

diagnostic evaluation of small lymphocytic lymphoma

  • CBC w/ diff: B-cell count

  • Peripheral smear: lymphocytosis  (predominantly mature-appearing small cells) “smudge” cells from damage to abnl lymphs from shear stress of making blood smear

  • Flow cytometry: clonality with dim surface Ig; CD5+, CD19+, CD20+, CD23+

  • Bone marrow (not req for dx): normo- or hypercellular; ≥30% small B lymphocytes