Abstract
Nuclear medicine plays a major role in well-differentiated neuroendocrine tumors (NETs). Due to the unique characteristics of NETs, such as very high expression of somatostatin receptors, somatostatin receptor positron emission tomography (SSTR PET) is considered the gold standard in imaging. SSTR PET has proven its unsurpassed diagnostic accuracy in prospective trials and has a major influence on the choice of the right treatment. Its use is well established, and it is recommended for initial staging, treatment monitoring, and the follow-up of patients with NET. In other tumors of the neuroendocrine system, such as pheochromocytoma and paraganglioma, nuclear medicine offers several diagnostic approaches for enhanced diagnosis. [123I]-MIBG scintigraphy, including single-photon emission computed tomography (SPECT), is of great value, especially in hormone-active tumors. PET tracers such as fluorodeoxyglucose (FDG), [18F]-DOPA, and SSTR analogs have been introduced recently and offer similar diagnostic accuracy. In neuroblastoma, [123I]-MIBG scintigraphy is the imaging of choice for staging and treatment monitoring. In medullary thyroid cancer, FDG, SSTR, and [18F]-DOPA PET/CT can be considered as modalities with equal diagnostic accuracy.
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Haug, A. (2020). Nuclear Medicine Imaging Techniques of the Neuroendocrine System. In: Ahmadzadehfar, H., Biersack, HJ., Freeman, L., Zuckier, L. (eds) Clinical Nuclear Medicine. Springer, Cham. https://doi.org/10.1007/978-3-030-39457-8_13
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DOI: https://doi.org/10.1007/978-3-030-39457-8_13
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