Canadian Association of Pathologists - Case of the Month, May 2007
47 year-old man with lymphocytosis.

Case contributed by Dr. Bill Brien, Dr. Suzanne Kamel-Reid, and Tanya Anderson, University Health Network, Toronto, Ontario.  Blood smear scanned on Aperio Technologies Inc. Scanscope; imaging for interphase F.I.S.H. analysis performed on MetaSystems GmbH. Isis.  CAP virtual microscopy cases are hosted by Objective Pathology Services Ltd., Toronto, Ontario.

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Clinical summary:

47 year-old asymptomatic man noted to have lymphocytosis on blood film.  No other abnormalities noted on blood film. History and physical exam were unremarkable.

Microscopic image:

Blood smear (100x oil)

Other test results:

Flow cytometry
F.I.S.H

Click below for diagnosis:

Diagnosis

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