Journal
FRONTIERS IN IMMUNOLOGY
Volume 13, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2022.972302
Keywords
immune checkpoint inhibitor (ICI); mycobacterium neoaurum infection; psoriasis; hepatocellular carcinoma; case report
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This article reports a case of a patient with hepatocellular carcinoma and psoriasis who underwent immune checkpoint inhibitor therapy, resulting in partial tumor response and exacerbation of psoriasis. During treatment, the patient also contracted an opportunistic infection, which may be associated with immune dysregulation caused by immunotherapy rather than immunosuppression.
We report here a patient with advanced hepatocellular carcinoma (HCC) and psoriasis treated with immune checkpoint inhibitor (ICI) therapy who experienced tumor partial response and psoriatic exacerbation. Meanwhile, the patient contracted mycobacterium neoaurum during the treatment period, while it was an opportunistic infection and mainly happened in immunosuppressed patients. We discussed the possibility that this infection was an ICI-associated infection independent of immunosuppression due to dysregulated immunity, which was the result of the effects of immunotherapy and autoimmune disease (AID), and the characteristics and treatment of M. neoaurum, which was rarely reported in China. This case highlights the fact that some infections can be precipitated by ICIs in the absence of immunosuppressive treatment, especially the patients with AID.
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