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Positron emission tomography
Items for "Positron emission tomography"
Analysis of 18F-FDG uptake patterns in PET for diagnosis of septic and aseptic loosening after total hip arthroplasty
AIM: Identification of typical patterns for fluorodeoxy-glucose (FDG) uptake in positron emission tomography (PET) to detect aseptic loosening of hip prosthesis (ace-tabular and/or femoral component) and prosthetic infection. METHODS: 18 patients with painful hip prosthesis underwent PET using a dedicated full ring scanner after application of 200300 MBq FDG...
Keywords: Fluordeoxyglukose, Positronenemissionstomographie, Totalendoprothese des Hüftgelenks, Prothesenlockerung, Protheseninfekt
01/2003 | Nuklearmedizin, SchattauerIntraindividual comparison of [11C]acetate and [11C]choline PET for detection of metastases of prostate cancer
In a pilot trial we investigated whether significant differences in prostate cancer (PCA) imaging would be observed using [11C]acetate and [11C]choline positron emission tomography (PET). METHODS: Twelve patients were studied with both radiotracers...
Keywords: Azetat, Cholin, Positronenemissionstomographie, Prostatakarzinom
01/2003 | Nuklearmedizin, SchattauerImaging small animals with positron emission tomography
During the past few years many research centers have successfully applied their knowledge of positron emission tomography (PET) to construct PET scanners which are dedicated to image small animals such as rats and mice...
Keywords: Positronenemissionstomographie, Kleintier-PET, molekulare Bildgebung
01/2003 | Nuklearmedizin, SchattauerHigh resolution reconstruction of PET images using the iterative OSEM algorithm
AIM: Improvement of the spatial resolution in positron emission tomography (PET) by incorporation of the image-forming characteristics of the scanner into the process of iterative image reconstruction. METHODS: All measurements were performed at the whole-body PET system ECAT EXACT HR+ in 3D mode...
Keywords: Positronenemissionstomographie, 3D-Datenakquisition, Auflösung, Bildrekonstruktion, OSEM-Algorithmus
01/2004 | Nuklearmedizin, SchattauerPreoperative imaging of Charcot neuroarthropathy: Does the additional application of 18F-FDG-PET make sense?
With about 4 million diabetics in germany and presumed inclination over the following years the treatment of diabetic complications like diabetic foot will become an even more important point...
Keywords: Diabetisch-neuropatische Osteoarthropathie, Positronenemissionstomographie, Magnetresonanztomographie, Knochendetritus
01/2006 | Nuklearmedizin, Schattauer18F-FDG PET and conventional imaging for assessment of Hodgkins disease and non Hodgkins lymphoma. An analysis of 193 patient studies
The aim of this study was to assess the diagnostic value of FDG-PET and conventional imaging (CI) in a large series of patient with Hodgkins disease (HD) or non-Hodgkins lymphoma (NHL) at three time points during their course of disease...
Keywords: Morbus Hodgkin, Non-Hodgkin-Lymphom, Computertomographie, Positronenemissionstomographie, Magnetresonanztomographie
01/2006 | Nuklearmedizin, SchattauerEvaluation of patients with liver metastases from colorectal cancer for locally ablative treatment with laser induced thermotherapy. Impact of PET with 18F-fluorodeoxyglucose on therapeutic decisions
PURPOSE: Before locally ablative treatment of colorectal liver metastases, patients have to be carefully evaluated to decide whether this is the adequate therapy...
Keywords: kolorektales Karzinom, Laser-induzierte Thermotherapie, Lebermetastasen, FDG-PET
01/2006 | Nuklearmedizin, Schattauer13 N-ammonia rest/stress PET: Folic acid improves global coronary vasoreactivity in coronary artery disease patients with normal or elevated homocysteine levels
AIM: Hyperhomocysteinaemia (Hhcy) is known to be an independent risk factor for vascular disease. Coronary flow reserve (CFR) measured by positron emission tomography (PET) is a sensitive method to monitor the effects of pharmacologic interventions in Hhcy...
Keywords: Homocystein, koronare Flussreseve, koronare Herzkrankheit, PET
01/2006 | Nuklearmedizin, SchattauerA 140Nd/140Pr radionuclide generator based on physico-chemical transitions in 140Pr complexes after electron capture decay of 140Nd-DOTA
140Nd was produced by irradiations of CeO2 and Pr2O3 targets leading to natCe(3He,xn) 140Nd and 141Pr(p,2n) 140Nd nuclear reactions...
Keywords: Radionuclide generator, Radiolanthanides, Hot atom chemistry, Radiochemical separation, Positron emission tomography
06/2007 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag