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CHAPTER 23 NORMAL NEWBORN PERIPHERAL BLOOD MORPHOLOGY 221
FIGURE 23–1 Peripheral blood from a neonate FIGURE 23–2 Peripheral blood from a neonate
demonstrating macrocytes, polychromasia, demonstrating polychromasia, anisocytosis, echino-
nucleated red blood cell, Howell-Jolly body, and cytes, and spherocytes (PB 31000).
one spherocyte (arrow) (PB 31000).
FIGURE 23–3 Lymphocyte from neonate blood. FIGURE 23–4 Bone marrow from neonate with
Although there appears to be a nucleolus, the acute lymphoblastic leukemia, demonstrating
chromatin pattern is coarse (PB 3 1000). hematogones and lymphoblasts. Hematogones
vary in size. Nucleus is round to oval with
condensed, smudged chromatin. Nucleoli are
absent or indistinct. Cytoplasm is indiscernible to
scant. Arrows point to hematogones. Most of the
other cells are blasts (BM 31000). See chapter 16
for comparison with blasts.
