Christian Dueren

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To compare disease-specific survival and recurrence-free survival (RFS) after successful 131I ablation in patients with differentiated thyroid carcinoma (DTC) between those defined before ablation as low-risk and those defined as high-risk according to the European Thyroid Association 2006 consensus statement. Retrospective data from three university(More)
OBJECTIVE The objectives of the study was to compare pentagastrin- and calcium-stimulated serum human calcitonin (hCT) levels for nonsmoking healthy adults without evidence of thyroid disorders and determine reference ranges of basal and pentagastrin- and calcium-stimulated serum hCT levels. DESIGN This was a healthy volunteer study including within-group(More)
PURPOSE To determine perfusion and coronary reserve in human myocardium without contrast agent using a spin labeling technique. MATERIALS AND METHODS Assessment of myocardial perfusion is based on T1 measurements after global and slice-selective spin preparation. This magnetic resonance imaging (MRI) technique was applied to 12 healthy volunteers and 16(More)
L eter to he E ditor Letter to the Editor Meckel's diverticulum is the most common congenital abnormality of the gastrointestinal tract. Complications include obstruction, intussusception, perforation, diverticulitis, and gastrointestinal hemorrhage. Despite availability of modern imaging techniques, its diagnosis does not follow a proposed sequence and(More)
In this study absolute myocardial perfusion was determined using a spin-labeling magnetic resonance imaging (MRI) technique at 2 Tesla. The technique was applied to 16 healthy volunteers at resting conditions, adenosine-induced stress, and oxygen breathing. Overall myocardial quantitative perfusion was determined as 2.3 +/- 0.8 mL/g/min (rest), 4.2 +/- 1.0(More)
OBJECTIVES To compare sensitivity of bone scintigraphy using 99mTechnetium-labelled methylene diphosphonate (Tc-99m MDP) and magnetic resonance imaging (MRI) in the detection of inflammatory bone lesions in patients with chronic non-bacterial osteomyelitis (CNO). METHODS Tc-99m MDP bone scintigraphy and MRI were performed in 32 CNO patients at the time of(More)
BACKGROUND Recombinant human TSH (rhTSH) can be used to enhance (131)I therapy for shrinkage of multinodular goiter (MG). OBJECTIVE, DESIGN, AND SETTING The objective of the study was to compare the efficacy and safety of 0.01 and 0.03 mg modified-release (MR) rhTSH as an adjuvant to (131)I therapy, vs. (131)I alone, in a randomized, placebo-controlled,(More)
AIM Withdrawal of levothyroxine with resultant hypothyroidism is still used in preparation for I-131 diagnostic whole-body scan (DWBS) and thyroglobulin (TG)-measurement in patients afflicted with differentiated thyroid cancer (DTC). Recombinant human thyroid-stimulating hormone (rhTSH) enhances TSH stimulation obviating the clinical and economical(More)
BACKGROUND Enhanced reduction of multinodular goiter (MNG) can be achieved by stimulation with recombinant human thyrotropin (rhTSH) before radioiodine ((131)I) therapy. The objective was to compare the long-term efficacy and safety of two low doses of modified release rhTSH (MRrhTSH) in combination with (131)I therapy. METHODS In this phase II,(More)
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