Lymphocytosis

Bernard Greenberg, MD

University of Connecticut Health Center, Farmington, CT

Copyright of the American Society of Hematology, 2006. ISSN: 1931-6860.

This case was reviewed and updated in August 2011 by Dr. Alvin Schmaier and members of the Teaching Cases Subcommittee.

I. HISTORY

PATIENT PRESENTATION

A 69-year-old white man is scheduled to have a routine herniorrhaphy. However, the procedure is cancelled because of an abnormal blood count obtained preoperatively.

  • White blood cell count is 75,000 with 90% mature lymphocytes and 10% neutrophils
  • Hemoglobin is 15.4 gms%
  • Hematocrit 47%
  • Platelet count 244,000

Because of the abnormal blood count, the patient is referred to you.

What symptoms or history might be helpful in making the diagnosis? Consider each of the following and click on the information you believe will be most helpful for making a diagnosis.

Fatigue or Shortness of Breath
Fever/Nightsweats
HIV Risk Factors
Immunizations
Medications
Occupation
Polyarthralgias or Polyarthritis
Previous CBCs
Recent Infections
Travel History
Unusual Recent Weight Loss (>10% over the past 6 months)
Abnormal Bleeding or Easy Bruising
Abdominal Discomfort
Alcohol Intake
Early Satiety
Family & Social History

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