Dramatic Morphometabolic Response to Bevacizumab-Based Chemotherapy After Immunotherapy Failure in Malignant Pleural Mesothelioma on FDG PET.
Kevser Oksuzoglu, Lutfu Perktas, Hasan Onner et al.
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Case in brief
A patient with epithelioid-type malignant pleural mesothelioma exhibited primary resistance to immunotherapy with ipilimumab and nivolumab. Following this treatment failure, the patient was switched to a chemotherapy regimen consisting of bevacizumab, pemetrexed, and carboplatin. This change resulted in a significant metabolic response as observed on 18F-FDG PET/CT imaging.
Diagnostic / clinical pearl
Clinicians should consider alternative chemotherapy regimens, such as bevacizumab-based therapy, in cases of immunotherapy resistance in malignant pleural mesothelioma.