A 17 year-old female was seen in ER for fever, sore throat, headache and general malaise. The CBC showed a leukocytosis and absolute lymphocytosis. The peripheral smear showed a heterogenous mix of lymphocytes with many large, irregular shaped cells with spreading cytoplasm and irregular basophilia. What is your diagnosis and what follow up testing would you preform to confirm that?

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The Answer of A 17 year-old female was seen in ER for fever, sore throat, headache and general malaise. The CBC showed a leukocytosis and absolute lymphocytosis. The peripheral smear showed a heterogenous mix of lymphocytes with many large, irregular shaped cells with spreading cytoplasm and irregular basophilia. What is your diagnosis and what follow up testing would you preform to confirm that?

A 17 Year-Old Female Was Seen in ER for Fever