Lymphocyte maturation

Published on 04/03/2015 by admin

Filed under Hematology, Oncology and Palliative Medicine

Last modified 04/03/2015

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9 Lymphocyte maturation

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FIGURE 9–1 Lymphocyte sequence—B and T lymphoblasts.

Lymphoblast

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FIGURE 9–2A Lymphoblast.

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FIGURE 9–2B Schematic of lymphoblast.

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FIGURE 9–2C Electron micrograph of lymphoblast (×28,750). Lymphoblasts are difficult to distinguish morphologically in normal bone marrow.

Size:

10-20 μm

Nucleus:

Round to oval

Nucleoli:

≥1

Chromatin:

Fine, evenly stained

Cytoplasm:

Scant; slightly to moderately basophilic

Granules:

None

N/C RATIO:

7:1 to 4:1

Reference interval:

Bone marrow:

Not defined

Peripheral blood:

0%

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FIGURE 9–3 Lymphocyte sequence—B and T prolymphocytes.

Prolymphocyte

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FIGURE 9–4A Prolymphocyte.

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FIGURE 9–4B Schematic of prolymphocyte. Prolymphocytes are difficult to distinguish morphologically in normal bone marrow.

Size:

9-18 μm

Nucleus:

Round or indented

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