Robert Drescher
University of Jena
Brain positron emission tomographyRadiologyPET-CTBiomedical engineeringPathologyMagnetic resonance imagingUltrasoundPerfusionThermoluminescent dosimeterResidualAutoantibodyMicrosphereEx vivoPositron emission tomographyBiopsyCalcinosisVasculitisContrast (vision)Vertebral artery dissectionAdministration (government)ShouldersBasal gangliaMagnetic resonance angiographyVenographyTumoral calcinosisThyroid nodulesFever of unknown originScintigraphyRadiation exposureVenous thrombosisNeurological examinationProstate cancerGadofosvesetAngiographyNeck painPolylactic acidAutoimmune encephalitisPositron Emission Tomography-Computed TomographyPeripheral SchwannomaVascular imagingTransarterial RadioembolizationArterial dissectionHolmium 16618F-FluoroethylcholineKidney InsufficiencyDystonic disorderLarge vessel vasculitisCervical ArteryProdromal StagePotassium channel complexConventional angiographyPreclinical imagingDelivery systemNuclear medicineCancer recurrenceMultimodal imagingClinical routineThermoluminescent detectorsDose ratePet imagingSignificant differenceResin microsphereRecurrent feverCase filesResidual activityStrokeUltrasonographyLimbic systemImage qualityInter-rater reliabilityImage fusionText miningMedicineVialDosimetryPulsatile flowOutflowDistribution (pharmacology)
15Publications
5H-index
70Citations
Publications 15
Newest
PURPOSE To evaluate the microsphere outflow dynamics and residual Ho-166 activity during and after transarterial radioembolization planning and treatment procedures, and to assess the distribution and predilection sites of residual activity in the proprietary delivery set and the microcatheter. MATERIALS AND METHODS Fifteen planning and 12 therapeutic radioembolization procedures were performed with poly-l-lactic acid microspheres loaded with Ho-166. The amount and distribution of residual activ...
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#1Martin FreesmeyerH-Index: 14
#2Thomas WinkensH-Index: 9
Last. Philipp SeifertH-Index: 9
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In conventional thyroid diagnostics, the topographical correlation between thyroid nodules (TN) depicted on ultrasound (US) in axial or sagittal orientation and coronally displayed scintigraphy images can be challenging. Sensor-navigated I-124-PET/US fusion imaging has been introduced as a problem-solving tool for ambiguous cases. The purpose of this study was to investigate the results of multiple unexperienced medical students (MS) versus multiple nuclear medicine physicians (MD) regarding the...
2 CitationsSource
Abstract Purpose To evaluate the infusion dynamics and residual yttrium-90 activity during and after resin microsphere radioembolization with different injection techniques and initial activities. To assess the distribution of residual activity in the administration systems to allow optimization of the procedure and the equipment. Materials and Methods In a setup similar to that in standard clinical practice, radioembolization procedures were performed ex vivo. The influence of different injecti...
2 CitationsSource
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#1Falk GühneH-Index: 4
#2Robert DrescherH-Index: 5
Last. Martin FreesmeyerH-Index: 14
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AbstractUnexpected inflammatory activity of tumoral calcinosis periarticular to the shoulders and hips in a man with recurrent fever of unknown origin and dialysis-dependent kidney insufficiency was revealed by FDG PET/CT. In absence of other pathologies, the calcinosis was deemed to be the cause of
2 CitationsSource
#1Martin FreesmeyerH-Index: 14
#2Robert DrescherH-Index: 5
Last. Philipp SeifertH-Index: 9
view all 5 authors...
1 CitationsSource
: To assess the radiation exposure of the investigator during navigated fusion of nuclear medicine images with ultrasound after application of I-124. Dosimetry with two different types of thermoluminescent detectors (TLD) was performed in 25 patients. The dose rate at the patient's neck was measured with a calibrated dose rate meter (DRM) and served as the standard of reference. The average exposure per investigation at the patient's neck measured by LiF:Mg,Cu,P TLDs (cumulative: 212 μSv), LiF:M...
1 CitationsSource
#1Philipp SeifertH-Index: 9
#2Robert DrescherH-Index: 5
Last. Martin FreesmeyerH-Index: 14
view all 4 authors...
2 CitationsSource
1 CitationsSource
#1Albrecht GüntherH-Index: 23
#2Otto W. WitteH-Index: 87
Last. Robert DrescherH-Index: 5
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Background/Aims: Vertebral artery dissection (VAD) is an important cause of ischemic stroke. In this observational study, clinical data, magnetic resonance (MR) and ultrasound (US) imaging findings and ischemic patterns were analyzed. Methods: Forty-seven patients with a diagnosis of VAD underwent clinical examination, US, MR of the brain and neck and MR angiography (MRA) of the cervical arteries. Vascular abnormalities and ischemic brain lesions were noted. Data were evaluated separately and co...
5 CitationsSource