Research Topics
| Frederik Lars GieselSummaryAffiliation: German Cancer Research Center Country: Germany Publications
| Collaborators
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Detail Information
Publications
Comparison of neuroendocrine tumor detection and characterization using DOTATOC-PET in correlation with contrast enhanced CT and delayed contrast enhanced MRIF L Giesel
Department of Nuclear Medicine, University Hospital Heidelberg, INF 400, 69120 Heidelberg, Germany
Eur J Radiol 81:2820-5. 2012..We evaluated the rate of successful characterization of gastroenteropancreatic neuroendocrine tumors (NETs) present with an increased somatostatin receptor, comparing CE-CT with CE-MRI, each in correlation with DOTATOC-PET...
Cancer with unknown primary: finding a needle in a hay stackF L Giesel
Department of Nuclear Medicine, University Hospital Heidelberg, Heidelberg, Germany
Exp Oncol 34:64-5. 2012..We here present a clinical case of patient with NET where these modalities help in both diagnostic and therapeutic surgery...
Temporal horn index and volume of medial temporal lobe atrophy using a new semiautomated method for rapid and precise assessmentF L Giesel
Department of Radiology, German Cancer Research Center, 69120 Heidelberg, Germany
AJNR Am J Neuroradiol 27:1454-8. 2006..The temporal horn volume (THV) and index in patients with mild cognitive impairment (MCI) and in those with AD were evaluated...
Gadofluorine m uptake in stem cells as a new magnetic resonance imaging tracking method: an in vitro and in vivo studyFrederik Lars Giesel
German Cancer Research Center, Department of Radiology, Heidelberg, Germany
Invest Radiol 41:868-73. 2006..Therefore, we evaluated Gadofluorine M with other gadolinium chelates for a T1-weighted positive enhancement for cell tracking in vitro. In addition, Gadofluorine M was tested in vivo...
Comparison of manual direct and automated indirect measurement of hippocampus using magnetic resonance imagingFrederik L Giesel
Department of Radiology, German Cancer Research Center, Heidelberg, Germany
Eur J Radiol 66:268-73. 2008..In this study, we aimed to compare direct and indirect quantification approaches for hippocampal formation changes in patients with mild cognitive impairment and Alzheimer's disease (AD)...
Rapid prototyping raw models on the basis of high resolution computed tomography lung data for respiratory flow dynamicsFrederik L Giesel
Department of Radiology, German Cancer Research Center, INF 280, 69120 Heidelberg, Germany
Acad Radiol 16:495-8. 2009..Three-dimensional image reconstruction by volume rendering and rapid prototyping has made it possible to visualize anatomic structures in three dimensions for interventional planning and academic research...
Intraindividual comparison between gadopentetate dimeglumine and gadobutrol for magnetic resonance perfusion in normal brain and intracranial tumors at 3 TeslaFrederik L Giesel
Department of Radiology, German Cancer Research Center, Heidelberg, Germany
Acta Radiol 50:521-30. 2009..Such differences may indicate that high-molar (1.0 M) agents offer advantages for perfusion-weighted imaging (PWI) at 3T, as has been previously reported at 1.5 T...
Image fusion using CT, MRI and PET for treatment planning, navigation and follow up in percutaneous RFAF L Giesel
Department of Radiology, Clinical Center, National Institutes of Health, Bethesda 20892, MD, USA
Exp Oncol 31:106-14. 2009....
Three-dimensional multiphase time-resolved low-dose contrast-enhanced magnetic resonance angiography using TWIST on a 32-channel coil at 3 T: a quantitative and qualitative comparison of a conventional gadolinium chelate with a high-relaxivity agentFrederik L Giesel
German Cancer Research Center, Department of Radiology, Heidelberg, Germany
J Comput Assist Tomogr 34:678-83. 2010..To evaluate low-dose contrast-enhanced magnetic resonance angiography (CE-MRA) at high temporal and spatial resolution for imaging of abdominal vascular structures...
Influence of human serum albumin on longitudinal and transverse relaxation rates (r1 and r2) of magnetic resonance contrast agentsFrederik L Giesel
Department of Radiology, German Cancer Research Center, Heidelberg, Germany
Invest Radiol 41:222-8. 2006..In this study, the presence and strength of HSA interaction with different CM was investigated...
[Von-Hippel-Lindau disease Type IIa with hypertensive crisis]F L Giesel
Abteilung Radiologie, Deutsches Krebsforschungszentrum, Heidelberg
Radiologe 46:224-6. 2006
[Functional magnetic resonance imaging and dementia]F L Giesel
Abteilung für Onkologische Diagnostik und Therapie, Deutsches Krebsforschungszentrum DKFZ Heidelberg
Radiologe 43:558-61. 2003..In this connection non-invasive methods such as fMRI and ASL are of increasing importance...
[Working memory in healthy subjects and schizophrenics: studies using BOLD fMRT]F L Giesel
Abteilung Radiologie, Deutsches Krebsforschungszentrum Heidelberg
Radiologe 45:144-52. 2005..Training effects in the working memory task follow an inverse U-shape function, suggesting that cerebral activation reaches a peak before economics of the brain find a more efficient method and activation decreases...
[MR-based methods of the functional imaging of the central nervous system]F L Giesel
Radiologie, Deutsches Krebsforschungszentrum, Heidelberg
Rofo 177:714-30. 2005..They have gained clinical impact particularly in the fields of psychiatry and neurosurgery...
Bile-tagged 3d magnetic resonance colonography after exclusive intravenous administration of gadobenate dimeglumine, a contrast agent with partial hepatobiliary excretionM V Knopp
Diagnostic Radiology Department, Clinical Center, National Institutes of Health, Bethesda, Maryland 20892, USA
Invest Radiol 36:619-23. 2001....
An optimized workflow for the integration of biological information into radiotherapy planning: experiences with T1w DCE-MRIT Neff
Department of Medical Physics in Radiation Therapy, Deutsches Krebsforschungszentrum DKFZ, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
Phys Med Biol 50:4209-23. 2005..The results were compared with the clinical plans for radiation therapy. Generated parameter maps give additional information about tumour spread, which can be incorporated in the definition of safety margins...
[MR perfusion and spectroscopic imaging in WHO grade II astrocytomas]M A Weber
Abteilung Radiologie, Deutsches Krebsforschungszentrum, Im Neuenheimer Feld 280, 69120 Heidelberg
Radiologe 47:812-8. 2007..This study evaluates whether MR perfusion imaging and spectroscopic imaging (MRSI) can depict anaplastic areas in WHO grade II astrocytomas, whether these areas are co-localized, and whether the prognosis can be better predicted...
Diagnostic performance of spectroscopic and perfusion MRI for distinction of brain tumorsM A Weber
Department of Radiology, German Cancer Research Center, Im Neuenheimer Feld 280, D 69120 Heidelberg, Germany
Neurology 66:1899-906. 2006..To assess the value of spectroscopic and perfusion MRI for glioma grading and for distinguishing glioblastomas from metastases and from CNS lymphomas...
[Noninvasive measurement of relative cerebral blood flow with the blood bolus MRI arterial spin labeling: basic physics and clinical applications]M A Weber
Abteilung Onkologische Diagnostik und Therapie, Deutsches Krebsforschungszentrum Heidelberg
Radiologe 44:164-73. 2004..Arterial-spin-labeling techniques are noninvasive tools for measuring rCBF within 5 min, using a standard MRI scanner...
[Perfusion measurement using the T2* contrast media dynamics in neuro-oncology. Physical basics and clinical applications]M A Weber
Abteilung Radiologie, Deutsches Krebsforschungszentrum, Heidelberg
Radiologe 45:618-32. 2005..The preliminary results show that DSC MRI is a diagnostic tool depicting regional variations in microvasculature of normal and diseased brains...
Intraindividual assessment of the thoracic aorta using contrast and non-contrast-enhanced MR angiographyH von Tengg-Kobligk
Radiologie, Deutsches Krebsforschungszentrum Heidelberg, Heidelberg, Germany
Rofo 181:230-6. 2009..The clinical use of these non-contrast-enhanced MRA (non-CE-MRA) sequences is still limited for the aorta. Thus, the goal was to compare a standard CE-MRA with a non-CE-MRA for the thoracic aorta...
Semi-automated volumetric analysis of lymph node metastases in patients with malignant melanoma stage III/IV--a feasibility studyM Fabel
Department of Oncological Diagnostics and Therapy, German Cancer Research Centre DKFZ, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
Eur Radiol 18:1114-22. 2008..Ease of use and time needed are acceptable for application in the clinical routine. Variability and interuser bias were reduced to about one third of the values found for RECIST measurements...
[Unilateral eyelid swelling after a simple nose blowing]C Zechmann
Abteilung Radiologie, DKFZ Heidelberg
Radiologe 44:1026-8. 2004
MRI for identification of progression in brain tumors: from morphology to functionMarc Andre Weber
Department of Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 10, D 69120 Heidelberg, Germany
Expert Rev Neurother 8:1507-25. 2008..We will also highlight the biological background of these techniques, their applicability and current limitations. In conclusion, modern MRI techniques have been developed that are on the doorstep to be integrated in clinical routine...
3D printing based on imaging data: review of medical applicationsF Rengier
Department of Radiology, German Cancer Research Center Heidelberg, Germany
Int J Comput Assist Radiol Surg 5:335-41. 2010..Generation of graspable three-dimensional objects applied for surgical planning, prosthetics and related applications using 3D printing or rapid prototyping is summarized and evaluated...
Comparison of diagnostic quality and accuracy in color-coded versus gray-scale DCE-MR imaging displayA Mehndiratta
Department of Radiology E 010, German Cancer Research Center DKFZ, INF 280, 69120, Heidelberg, Germany
Int J Comput Assist Radiol Surg 4:457-62. 2009..The purpose of this study was to evaluate the diagnostic value and tumor-vascular display properties (microcirculation) of two different functional MRI post-processing and display (color and gray-scale display) techniques used in oncology...
Dynamic contrast-enhanced magnetic resonance imaging in oncologyM V Knopp
National Institutes of Health, Clinical Center, Diagnostic Radiology Department, Bethesda, Maryland 20892 1182, USA
Top Magn Reson Imaging 12:301-8. 2001..The role of DCE-MRI in tumor detection, characterization, and therapy monitoring is reviewed...
Gastrointestinal stromal tumor in a patient with undiagnosed neurofibromatosis type I: an uncommon cause of extrahepatic cholestasisG Millonig
Department of Internal Medicine, Salem Medical Center, University of Heidelberg, Heidelberg, Germany
Z Gastroenterol 48:479-81. 2010..Tumor resection failed because of cardiac decompensation due to a Takotsubo cardiomyopathy during induction of anesthesia. The patient has been started on imatinib instead and shows so far a stable disease over 6 months...
