Localised spontaneous regression in mesothelioma - possible immunological mechanism

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    Abstract

    Malignant mesothelioma (MM) is an aggressive tumor usually associated with asbestos exposure. Although it can remain stable for prolonged periods, it has not been described to spontaneously regress. MM tumors are thought to be immunogenic based both on animal studies and on the good responses in some humans treated with immunotherapy. Here we present a case of pleural MM in which a transient spontaneous regression was associated with tumor tissue infiltration with mononuclear cells and serological evidence of anti-MM reactivity. The patient's tumor-eventually progressed and with this progression there was evidence of loss of serological reactivity to some, but not all, of her MM antigens. The patient survived for 20 months and, in contrast to her initial biopsy, no significant lymphoid infiltrate was detected in her MM tissue at post mortem examination. (C) 2001 Elsevier Science Ireland Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)197-201
    JournalLung Cancer
    Volume32
    Issue number2
    DOIs
    Publication statusPublished - May 2001

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