Avastin scintigraphy in surveillance of bevacizumab treatment in a patient with neurofibromatosis type 2: a case report.
until further notice
SourceClinical Nuclear Medicine, 39, 3, (2014), pp. 277-280
1 maart 2014
Article / Letter to editor
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Clinical Nuclear Medicine
SubjectRadboudumc 0: Other Research DCMN: Donders Center for Medical Neuroscience; Radboudumc 12: Sensory disorders DCMN: Donders Center for Medical Neuroscience; Radboudumc 17: Women's cancers RIHS: Radboud Institute for Health Sciences; Radboudumc 9: Rare cancers RIHS: Radboud Institute for Health Sciences
A patient with neurofibromatosis type 2 (bilateral vestibular schwannomas) was treated with bevacizumab (anti-vascular endothelial growth factor [VEFG] monoclonal antibody). The left-sided tumor showed intense uptake on pretreatment In-bevacizumab scintigraphy, indicating VEGF production in the tumor, and no uptake 4 weeks later, demonstrating effective binding of nonradiolabeled bevacizumab to the VEGF produced in the tumor. The right-sided tumor showed no tracer uptake at any time point. Significant tumor volume reduction (assessed with MRI) and hearing improvement were observed on the left side. In-bevacizumab scintigraphy may be a promising upfront patient selection tool to identify patients who may benefit from expensive bevacizumab treatment.
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