Page 663 - Clinical Hematology_ Theory _ Procedures ( PDFDrive )

CHAPTER 30 ■ Instrumentation in Hematology 647

CASE STUDIES (continued)
CASE STUDIES (continued)

Case Study 30.9 ■ Absolute Cell Counts

■ History and Physical Patient Reference

K.C., a 70-year-old nurse, su ered rom degenerative arthri- Units Value Range

tis. She visited her rheumatologist because o increasing pain Neutrophils 10 /µL 13 2.0–8.0
3
in her knees.
3
A CBC and erythrocyte sedimentation rate (ESR) were Lymphocytes 10 /µL 1.44 1.0–5.0

ordered. Synovial f uid was removed rom one knee or Monocytes 10 /µL 3.6 0.1–1.0
3
examination.

■ Critical Thinking Group Discussion Questions
■ Laboratory Data
1. Are any o the laboratory values abnormal?

Measurement Units Reference Range*

2. Why are the absolute cell counts important data?
RBC 3.41 × 10 /µL 4.00–6.20
6

Hgb 11.0 g/dL 11.0–18.8 3. Should additional laboratory assays be ordered?

Hct 31% 35.0–55.0
Case Study 30.10
3
WBC 18 × 10 /µL 6.0–11.0

PLT 210 × 10 /µL 150.0–400.0 ■ History and Physical
3
M , a 45-year-old white emale, began to experience abdom-
MCV 92 fL 80.0–100.0 inal pain over the last several days. She went to a primary

MCH 32 pg 26.0–34.0 care clinic or help.

MCHC 35 g/dL 31.0–35.0 A CBC was ordered.

RDW 12% 10.0–20.0
Measurement Units Reference Range*
MPV 9 fL 6.0–10.0

6
fL, femtoliters; pg, pictogram. RBC 5.1 × 10 /µL 4.00–6.20

*Published for Beckman Coulter A T . Hgb 13.0 g/dL 11.0–18.8

C TM
Hct 37% 35.0–55.0

WBC 23.0 × 10 /µL 6.0–11.0
3
3
Leukocyte Differential % PLT 450 × 10 /µL 150.0–400.0

MCV 72 fL 80.0–100.0
Band neutrophils 5

MCH 25 pg 26.0–34.0
Polymorphonuclear segmented neutrophils (PMNs) 65
MCHC 35 g/dL 31.0–35.0
Lymphocytes 8
RDW 17% 10.0–20.0
Monocytes 20
MPV 8.0 fL 6.0–10.0
Eosinophils 1
fL, femtoliters; pg, pictogram.
Basophils 1

* Published for Beckman Coulter A T .
C TM
Total 100

VOL RBC PLI

WBC/
BASO

ABS

(continued)