Common Leukemias continued Hematology Review 323
TYPE OTHER NAMES WBC (× 10^9 /L) BLOOD SMEAR OTHER
Chronic lymphocytic
leukemia (CLL)
30–200 80%–90% small, mature-
looking lymphs. May have
hypercondensed chromatin &
light-staining parachromatin
(“soccer ball appearance”),
few prolymphocytes.
Smudge cells.Most common type of
leukemia in older adults.
Proliferation of B lymphs.