Page 662 - Clinical Hematology_ Theory _ Procedures ( PDFDrive )

646 PART 8 ■ Fundamentals of Hematological Analysis

CASE STUDIES (continued)
CASE STUDIES (continued)

Case Study 30.8
Leukocyte Differential %

■ History and Physical Band neutrophils 0
S.S., a 10-year-old white emale, presented to the pediatrician

complaining o a cold and cough with pain in the neck and Polymorphonuclear segmented neutrophils (PMNs) 30

chest. She had an elevated temperature and a slight cough. Lymphocytes 62

Physical examination revealed enlarged lymph nodes, Monocytes 5

wheezing, and an elevated temperature.
Eosinophils 2

Basophils 1
VOL
Total 100

ABS

RBC PLI

WBC/
BASO
(Reprinted rom McClatchey KD. Clinical Laboratory

Medicine, 2nd ed, Philadelphia, PA: Lippincott Williams

& Wilkins, 2002, with permission.)

A urinalysis, CBC, and throat culture were ordered. ■ Absolute Cell Counts

■ Laboratory Data Patient Reference
Urinalysis: all results within re erence ranges. Units Value Range

■ Complete Blood Count Neutrophils 10 /µL 1.11 2.0–8.0
3

Measurement Units Reference Range* Lymphocytes 10 /µL 22 1.0–5.0
3

RBC 5.14 × 10 /µL 4.00–6.20 ■ Critical Thinking Group Discussion Questions
6

Hgb 13.8 g/dL 11.0–18.8 1. Are any o the laboratory values abnormal?

Hct 41% 35.0–55.0

2. Why are the absolute cell counts important data?
WBC 35 × 10 /µL 6.0–11.0
3

PLT 200 × 10 /µL 150.0–400.0 3. Should additional laboratory assays be ordered?
3

MCV 81 fL 80.0–100.0

MCH 27 pg 26.0–34.0

MCHC 32 g/dL 31.0–35.0

RDW 15% 10.0–20.0

MPV 9.0 fL 6.0–10.0

fL, femtoliters; pg, pictogram.

*Published for Beckman Coulter A T .
C TM