Karl-Michael Schebesch1, Julius Hoehne2, Christoph Hohenberger2, Francesco Acerbi3, Morgan Broggi3, Martin Proescholdt2, Christina Wendl4, Markus J Riemenschneider5, Alexander Brawanski2. 1. Department of Neurosurgery, Regensburg University Hospital, Germany; Wilhelm-Sander Neuro-Oncology Unit, Regensburg University Hospital, Germany. Electronic address: karl-michael.schebesch@ukr.de. 2. Department of Neurosurgery, Regensburg University Hospital, Germany; Wilhelm-Sander Neuro-Oncology Unit, Regensburg University Hospital, Germany. 3. Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy. 4. Institute of Radiology, Neuroradiology Branch, Regensburg University Hospital, Germany; Wilhelm-Sander Neuro-Oncology Unit, Regensburg University Hospital, Germany. 5. Department of Neuropathology, Regensburg University Hospital, Germany; Wilhelm-Sander Neuro-Oncology Unit, Regensburg University Hospital, Germany.
Abstract
OBJECTIVES: Growth and progress of primary central nervous lymphoma (PCNSL) severely disrupt the blood brain barrier (BBB). Such disruptions can be intraoperatively visualized by injecting fluorescein sodium (FL) and applying a YELLOW 560 nm surgical microscope filter. Here, we report a small cohort of patients with PCNSL that mimicked high grade gliomas (HGG) or cerebral metastases (CM), who had been operated on with the use of FL. PATIENTS AND METHODS: Retrospectively, seven patients with PCNSL were identified, who had been operated on by means of microsurgery after intravenous FL injection. The surgical reports were screened for statements on the grade of fluorescent staining in the tumor area. One representative case was chosen to show the staining under white light as well as under filtered light at different distances to the tumor area. RESULTS: All patients had shown bright and homogenous fluorescent staining of the tumor (n=7. 100%). No adverse effects had been observed. CONCLUSION: Similar to patients with HGG or CM, patients with PCNSL may benefit from use of FL and the dedicated YELLOW 560 nm filter in open surgery.
OBJECTIVES: Growth and progress of primary central nervous lymphoma (PCNSL) severely disrupt the blood brain barrier (BBB). Such disruptions can be intraoperatively visualized by injecting fluorescein sodium (FL) and applying a YELLOW 560 nm surgical microscope filter. Here, we report a small cohort of patients with PCNSL that mimicked high grade gliomas (HGG) or cerebral metastases (CM), who had been operated on with the use of FL. PATIENTS AND METHODS: Retrospectively, seven patients with PCNSL were identified, who had been operated on by means of microsurgery after intravenous FL injection. The surgical reports were screened for statements on the grade of fluorescent staining in the tumor area. One representative case was chosen to show the staining under white light as well as under filtered light at different distances to the tumor area. RESULTS: All patients had shown bright and homogenous fluorescent staining of the tumor (n=7. 100%). No adverse effects had been observed. CONCLUSION: Similar to patients with HGG or CM, patients with PCNSL may benefit from use of FL and the dedicated YELLOW 560 nm filter in open surgery.
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