Volume 46, Issue 1 (January 2001)

    Polyclonal Systemic Immunoblast Proliferation: An Unusual Hematologic Entity Presenting as a Medical Examiner Case

    (Received 1 February 2000; accepted 10 March 2000)

    CODEN: JFSOAD

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    Abstract

    A 43-year-old woman who was receiving oral antibiotics for several days for a superficial foot infection developed a persistent rash, fever, and lymphadenopathy, despite discontinuation of the antibiotic and administration of steroids for a presumed drug reaction. Hours after a subsequent visit to the emergency room for worsening symptoms, she died at home. At autopsy, there was a florid, systemic proliferation of polyclonal plasma cells and immunoblasts infiltrating nearly every organ and tissue of the body, most notably the lymph nodes and spleen. The polyclonal nature of the process was confirmed by immunofixation electrophoresis and immunohistochemistry. Cases of fatal polyclonal systemic immunoblast proliferations are extremely rare, and the trigger for such proliferations is not always known. We review the literature on this unusual entity and discuss the clinical and pathologic findings.


    Author Information:

    Baker, AM
    Office of the Armed Forces Medical Examiner, Rockville, MD

    Davis, DW
    Office of the Hennepin County Medical Examiner, Minneapolis, MN

    Berg, KK
    Office of the Hennepin County Medical Examiner, Minneapolis, MN


    Stock #: JFS14928J

    ISSN: 0022-1198

    DOI: 10.1520/JFS14928J

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    Title Polyclonal Systemic Immunoblast Proliferation: An Unusual Hematologic Entity Presenting as a Medical Examiner Case
    Symposium , 0000-00-00
    Committee E30