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An octreotide scan is a type of SPECT scintigraphy used to find carcinoid, pancreatic neuroendocrine tumors, and to localize sarcoidosis. It is also called somatostatin receptor scintigraphy (SRS). Octreotide , a drug similar to somatostatin , is radiolabeled with indium-111 , [ 1 ] and is injected into a vein and travels through the bloodstream.
Octreotide, which is a human-made form of the natural hormone somatostatin, blocks the action of VIP. [citation needed] The best chance for a cure is surgery to remove the tumor. If the tumor has not spread to other organs, surgery can often cure the condition. [citation needed]
Although anaplastic meningioma has higher chances of distant metastasis than the other two types, the overall incidence of meningioma metastasis is only 0.18%; which is considered rare. [26] Even if, by general rule, neoplasms of the nervous system (brain tumors) cannot metastasize into the body because of the blood–brain barrier , anaplastic ...
Gallium-68 receptor PET-CT is much more accurate than an Octreotide scan. [64] Thus, octreotide scanning for NET tumors is being increasingly replaced by gallium-68 DOTATOC scan. [65] Imaging with fluorine-18 fluorodeoxyglucose (FDG) PET may be valuable to image some neuroendocrine tumors. [66] This scan is performed by injected radioactive ...
Here's what bacterial meningitis is, how it's different from viral and other types of meningitis, and what treatment can be expected.
Octreotide is used for the treatment of growth hormone producing tumors (acromegaly and gigantism), when surgery is contraindicated, pituitary tumors that secrete thyroid-stimulating hormone (thyrotropinoma), [citation needed] diarrhea and flushing episodes associated with carcinoid syndrome, and diarrhea in people with vasoactive intestinal peptide-secreting tumors ().
The Krenning score [1] is used to grade the uptake intensity of neuroendocrine tumors on somatostatin receptor imaging such as octreotide scan. [ further explanation needed ] Typically, peptide receptor radionuclide therapy (PRRT) is considered when the Krenning score is greater than 2.
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