Large, irregular, atypical lymphocytes are seen in the peripheral blood of this patient with infectious mononucleosis. The indentation of the cytoplasm of the lymphocyte (arrows) by the red blood cells gives rise to the socalled “Dutch skirt” appearance to the border.FIG1
Peter Maslak and Susan McKenzie, Memorial Sloan-Kettering Cancer CenterThe above image was first published in the ASH IMAGE BANK, a reference and teaching tool that is continually updated with new atlas images and images of case studies. For more information or to contribute to the Image Bank, visit www.ashimagebank.org.
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