A patient with infectious mononucleosis would have what outstanding feature in the hematology evaluation?

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A patient with infectious mononucleosis would typically have a high percentage of atypical lymphocytes, which are larger than normal lymphocytes and have an irregular shape and increased cytoplasmic basophilia. The total white blood cell count may be normal, increased, or slightly decreased, and there may be an increase in eosinophils as well. Neutrophils would not be absent, but their percentage may be decreased relative to lymphocytes.

A Patient with Infectious Mononucleosis Would Have What Outstanding Feature