Page 183 - Clinical Hematology_ Theory _ Procedures ( PDFDrive )

CHAPTER 8 ■ Leukocytes: The Granulocytic and Monocytic Series 167

TABLE 8.1 Maturational Characteristics of Neutrophilic Granulocytes

Myeloblast Promyelocyte Myelocyte Metamyelocyte Band Segmented

Size (µm) 10–18 14–20 12–18 10–18 10–16 10–16

N:C ratio 4:1 3:1 2:1–1:1 1:1 1:1 1:1

Nucleus

Shape Oval or round Oval or round Oval or indented Indented Elongated, curved Distinct lobes

(2–5)

Nucleoli 1–5 1–5 Variable None None None

Chromatin Reticular Smooth Slightly clumped Clumped Very clumped Densely packed

Cytoplasm

Inclusions Auer rods None None None None None

Granules None Heavy Fine Fine Fine Fine

Nonspeci c Speci c Speci c Speci c Speci c

Amount Scanty Slightly increased Moderate Moderate Abundant Abundant

Color Medium blue Moderate blue Blue-pink Pink Pink Pink

m µm. T N:C m q x . B k -

m m . T - k . T m
m m , m µm. T N:C

. T m . . T m
, , -

Myelocyte m m m m .

T m (F . . ) m . T Metamyelocyte
z z -

m . T T m m (F . . ) m
— , , — m - . I m

z . N m k ,
- k W . E m

. T . T m m m
- m . T
m m j . I m

FIGURE 8.4 I (le cell) II (right cell) m .

(R m M C KD. Clinical Laboratory Medicine, FIGURE 8.5 A (arrow). (R m A SA,
, P , PA: L W m & W k , , P KB. Anderson’s Atlas o Hematology, P , PA:

m .) L W m & W k , , m .)