Abstract
The majority of meningiomas express somatostatin receptor 2 (SSRT2), which may be visualized by radiolabeled somatostatin receptor analogs such as [68Ga]Ga-DOTA-TOC. This enables the detection of small tumor remnants that cannot be correctly identified using conventional MRI. In this atypical WHO grade II meningioma, the remnant was hidden intravascularly in the sagittal sinus.
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Further Reading
Bashir A, Larsen VA, Ziebell M, Fugleholm K, Law I. Improved Detection of Postoperative Residual Meningioma with [68Ga]Ga-DOTA-TOC PET Imaging Using a High-resolution Research Tomograph PET Scanner. Clin Cancer Res. 2021;27:2216–25.
Galldiks N, Albert NL, Sommerauer M, et al. PET imaging in patients with meningioma – report of the RANO/PET Group. Neuro Oncol. 2017;19(12):1576–87.
Ueberschaer M, Vettermann FJ, Forbrig R, et al. Simpson grade revisited - intraoperative estimation of the extent of resection in meningiomas versus postoperative somatostatin receptor positron emission tomography/computed tomography and magnetic resonance imaging. Neurosurgery. 2020;88(1):140–6.
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Law, I., Bashir, A. (2022). Case 26: Postoperative Meningioma. In: Varrone, A., Morbelli, S., Garibotto, V. (eds) Clinical Nuclear Medicine in Neurology. Springer, Cham. https://doi.org/10.1007/978-3-030-83598-9_26
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DOI: https://doi.org/10.1007/978-3-030-83598-9_26
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