Lymphocytosis is a common laboratory finding, but its clinical significance can vary widely — from benign, reactive processes to serious haematological malignancies.
This course uses a real-world case to explore how an incidental finding of lymphocytosis can lead to the diagnosis of chronic lymphocytic leukaemia (CLL), a typically slow-growing condition that often requires monitoring rather than immediate treatment.
Designed for primary care, this course supports confident interpretation of abnormal blood results and appropriate clinical decision-making.
You will learn how to:
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Differentiate reactive from clonal causes of lymphocytosis
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Recognise features suggestive of acute versus chronic leukaemia
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Understand the role of blood film morphology and flow cytometry
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Identify monoclonal B lymphocytosis (MBL) and its clinical significance
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Apply appropriate monitoring strategies for asymptomatic patients
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