Case report: Mycobacterium neoaurum infection during ICI therapy in a hepatocellular carcinoma patient with psoriasis

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...

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Bibliographic Details
Published in:Frontiers in immunology 2022-08, Vol.13
Main Authors: Pang, Ling, Chen, Zhongju, Xu, Dong, Cheng, Weiting
Format: Article
Language:English
Subjects:
case report
hepatocellular carcinoma
immune checkpoint inhibitor (ICI)
Immunology
mycobacterium neoaurum infection
psoriasis
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Summary: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.
ISSN:1664-3224
1664-3224
DOI:10.3389/fimmu.2022.972302