An electron micrograph reveals an intracytoplasmic immunoglobulin crystal, resembling baseball's home plate, in follicular small cleaved cell lymphoma. The immunoglobulin (Ig) crystal is within the endoplasmic reticulum. Ig crystals confined to neoplastic cells have been reported in 9 other cases of non-Hodgkin B-cell lymphomas of diverse histologic types.FIG1
Marshall E. Kadin, Harvard Medical SchoolMany Blood Work images are provided by 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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