Immune reconstitution inflammatory syndrome mimicking relapsing cryptococcal meningitis in a renal transplant recipient

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T. Legris, M. Massad, R. Purgus, H. Vacher‐Coponat, S. Ranque, N. Girard, Y. Berland, V. Moal. Immune reconstitution inflammatory syndrome mimicking relapsing cryptococcal meningitis in a renal transplant recipient. Transpl Infect Dis 2011: 13: 303–308. All rights reserved Abstract: Immune reconstitution inflammatory syndrome (IRIS) is a rare entity that has been described recently in solid organ transplant (SOT) recipients. IRIS is characterized by an exuberant and dysregulated immune response following treatment of opportunistic infections. We describe here the case of a kidney transplant recipient who developed cryptococcal meningitis that was efficiently treated with antifungal therapy and decreased immunosuppression regimen. Eight months later, a paradoxical worsening of neurological symptoms and neuroradiological findings led to the diagnosis of IRIS. A short course of high‐dose steroid therapy allowed complete resolution of neurological symptoms. This report highlights the challenge for physicians to distinguish IRIS from a relapsing cryptococcal infection. Clinical improvement of cryptococcosis‐associated IRIS by anti‐inflammatory drugs needs to be confirmed among SOT recipients.

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