Abstract
Hypofractionated radiotherapy with temozolomide is recommended for older patients with glioblastoma. Nevertheless, a potential complication of treatment is opportunistic infections with immunosuppression. An 86-year-old man presented with hemiparesis, prompting an investigation that revealed a right frontotemporal glioblastoma, isocitrate dehydrogenase wildtype. After the diagnostic biopsy, hypofractionated radiotherapy with temozolomide was administered. Lymphocytopenia was observed before the start of chemoradiotherapy and gradually worsened until 2 months later, possibly as a side effect of the treatment. One month after the completion of the initial treatment, the patient developed septic shock, leading to death within 2 days. Postmortem examination with autopsy revealed evidence of an invasive Candida infection possibly originating from the urinary catheter. Immunodeficiency, which is a side effect of radiation therapy with temozolomide, can cause rare and potentially fatal invasive Candida infections, especially in older and frail patients with newly diagnosed glioblastoma, even with short-term hypofractionated chemoradiotherapy. https://thejns.org/doi/10.3171/CASE24175.
Published Version
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