Case report describes encephalitis in a patient with renal cell carcinoma on pembrolizumab, highlighting rare autoimmune effects.
To describe a rare presentation of neuronal intermediate filament (NIF) immunofluorescence assay (IFA)–mediated paraneoplastic encephalitis in a patient with metastatic clear-cell renal cell carcinoma on pembrolizumab.
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Gupta et al. (2026) studied this question.
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