نتایج جستجو برای: radioactive i 123
تعداد نتایج: 1072348 فیلتر نتایج به سال:
Von Hippel-Lindau syndrome (VHLS) is an autosomal dominant hereditary familial disorder characterized by development of malignant and benign neoplasms. Differential diagnosis of the adrenal and pancreatic masses are difficult in patients with VHLS. Iodine-123 metaiodobenzylguanidine (I-123 MIBG) and indium-111 somatostatin receptor scintigraphies (In-111 SRS) have important roles in the differe...
A 35-year-old woman presenting with abdominal pain was found to have mildly elevated catecholamine levels and a retroperitoneal mass. The patient underwent a negative I-123 MIBG scintigraphy scan and a nondiagnostic fine needle aspiration. Eleven years later the patient presented with a hypertensive emergency and markedly elevated catecholamine levels. A subsequent I-123 MIBG scintigraphy scan ...
UNLABELLED The objective of the study was to compare relative uptake, metabolism, and beta-receptor affinity of the new positron-emitting uptake-1 tracer (1R,2S)-4-(18)F-fluorometaraminol (4-FM) with those of the SPECT pharmaceutical meta-(123)I-iodobenzylguanidine (MIBG) in Wistar Kyoto (WKY) rats and spontaneously hypertensive (SHR) rats. METHODS No-carrier-added 4-(18)F-FM was applied to S...
Abstract Scholars have generally underestimated the level of Roman involvement in Africa period between annexation Carthage 146 b.c . and Caesar's victory at Thapsus 46 ., land which Romans annexed has been conventionally called public ( ager publicus ). This paper analyses surviving text African provisions epigraphic lex agraria 111 notes that term is not attested provincial section law. The a...
radioiodinated meta iodobenzylguanidine (mibg) is one of the important radiopharmaceuticals in nuclear medicine. [123/131i]mibg is used for imaging of adrenal medulla, studying heart sympathetic nerves, treatment of pheochromacytoma and neuroblastoma. for clinical application, radioiodinated mibg is prepared through isotopic exchange method, which includes replacement of radioactive iodine in a...
To study the in vivo processing and secretion of Apolipoprotein A-I (Apo A-I), young chickens were administered individual L-[3H]amino acids intravenously and the time of intracellular transport of nascent Apo A-I from rough endoplasmic reticulum (RER) to the Golgi apparatus was measured. Within 3 to 9 min there was maximal incorporation of radioactivity into Apo A-I in both the RER and the Gol...
BACKGROUND AND PURPOSE Flow-sensitive alternating inversion recovery (FAIR) MR imaging is a technique for depicting cerebral perfusion without contrast enhancement. Our purpose was to determine whether quantification at FAIR imaging can be used to assess regional cerebral blood flow (rCBF) in a manner similar to [iodine 123]-iodoamphetamin ((123)I-IMP) single photon emission CT (SPECT). METHO...
UNLABELLED Differentiation between tumor progression and radiation necrosis is one of the most difficult tasks in oncologic neuroradiology. Functional imaging of tumor metabolism can help with this task, but the choice of tracer is still controversial. This prospective study following up irradiated low-grade astrocytoma (LGA) was, to our knowledge, the first receiver-operating-characteristic (R...
Radioiodinated meta iodobenzylguanidine (MIBG) is one of the important radiopharmaceuticals in Nuclear Medicine. [123/131I]MIBG is used for imaging of Adrenal medulla, studying heart sympathetic nerves, treatment of pheochromacytoma and neuroblastoma. For clinical application, radioiodinated MIBG is prepared through isotopic exchange method, which includes replacement of radioactive iodine in a...
We report 139 photometric observations through the B, V, and I filters of the supernova SN 1998bw, an object which is associated with the Gamma-Ray Burst GRB 980425. Detailed light curves of this unique supernova can be compared to theoretical models, so we report here our light curve for 123 days between 27 June 1998 and 28 October 1998. The light curve of SN 1988bw is consistent with those of...
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