نتایج جستجو برای: sestamibi
تعداد نتایج: 2205 فیلتر نتایج به سال:
OBJECTIVE Measurement of cardiac perfusion via agents such as 99mTc-sestamibi (Cardiolite; DuPont-Merck Pharmaceutical Co., Inc.) is widely used in clinical nuclear medicine for the diagnosis of coronary artery disease. The monograph for 99mTc-sestamibi recommends at least 90% radiochemical purity (RCP) for clinical use. Various factors may influence the RCP of certain reagent kits. Some of the...
A case of follicular thyroid cancer with intense focal Methionine uptake on 11C-Methionine PET/CT is reported here. The use of 11C-Methionine PET in differentiated thyroid cancer is currently being investigated as a surrogate tracer compared to the more widely used 18F-FDG PET. This case illustrates the potential incremental value of this modality, not only in the localizing of parathyroid aden...
OBJECTIVE To examine the feasibility of minimally invasive/focused parathyroidectomy in patients with primary hyperparathyroidism and negative results on preoperative sestamibi scanning. DESIGN Retrospective review. SETTING Hospital. PATIENTS A total of 452 patients with primary hyperparathyroidism underwent parathyroidectomy between January 2005 and December 2009. MAIN OUTCOME MEASURES...
BACKGROUND Thallous chloride (201Tl) and hexakis(2-methoxyisobutyl isonitrile) technetium (I) (99mTc-SESTAMIBI) are myocardial perfusion imaging agents with biological properties that also reflect tissue viability. Initial myocellular uptake rates of 201Tl reflect activity of Na,K-ATPase, whereas those of 99mTc-SESTAMIBI reflect mean plasma membrane potential. METHODS AND RESULTS To better un...
PURPOSE The aim of this study was to establish the clinical efficacy of the "low sestamibi dose" (LSD) protocol to perform thyroid and parathyroid radioguided surgery in a large series of patients homogeneously studied and operated on by the same surgeon. The LSD protocol was initially developed in our center to cure primary hyperparathyroid (PHPT) patients with a high likelihood of a solitary ...
bilateral diffuse intense breast uptake was noted in a 40 year old female who was evaluated with tc-99m sestamibi (mibi) myocardial perfusion scan for possible ischemia. she was breast feeding her 1.5 year old child. the intense uptake in the breasts was superimposed on the apical and anteroapical regions of the myocardium and caused interpretation problem. we recommend considering tc-99m mibi ...
Technetium-99m ((99m)Tc) sestamibi myocardial perfusion scintigraphy (MPI) is widely used for the diagnosis and assessment of prognosis in patients with suspected coronary artery disease. During these investigations, inspection of raw projected data for the purpose of quality control may occasionally yield incidental noncardiac findings that suggest the presence of another primary noncardiac di...
HYPOTHESIS Technetium Tc 99m sestamibi scintigraphy, intraoperative gamma probe detection, and the rapid parathyroid hormone assay have been used to permit a directed operation in patients with hyperparathyroidism. We hypothesized that the coordinated use of these techniques might be particularly useful in patients who require a second operation for hyperparathyroidism. DESIGN Retrospective a...
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