The picture below is from a 15-year-old boy that has been co…

The picture below is from a 15-year-old boy that has been complaining of a sore throat for the last two weeks.  He has a WBC count of 25,000/ul and his heterophile antibody test is positive.  Based on the aforementioned data, what is the most probable diagnosis?   

The picture below is from a skin biopsy specimen from a pati…

The picture below is from a skin biopsy specimen from a patient with an enlarged cervical lymph node.  The peripheral blood smear appears normal.  The cell in the box is the reference for the rest of the cells in the field.  Which disorder is this patient most likely suffering from?