Research Topics
| Maciej PechSummaryAffiliation: Otto-von-Guericke University Country: Germany Publications
| Collaborators
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Detail Information
Publications
CT-guided brachytherapy (CTGB) versus interstitial laser ablation (ILT) of colorectal liver metastases: an intraindividual matched-pair analysisMaciej Pech
Clinic for Radiology and Nuclear Medicine, University of Magdeburg, Leipziger Strasse 44, Magdeburg, Germany
Strahlenther Onkol 184:302-6. 2008..To compare local tumor control after percutaneous tumor ablation by interstitial laser therapy (ILT) or CT-guided brachytherapy (CTGB)...- Advantages and disadvantages of the Amplatzer Vascular Plug IV in visceral embolization: report of 50 placementsMaciej Pech
Department of Radiology and Nuclear Medicine, University of Magdeburg, Leipziger Straße 44, 39120 Magdeburg, Germany
Cardiovasc Intervent Radiol 34:1069-73. 2011..We describe our initial clinical experience in artificial embolization with the Amplatzer Vascular Plug IV (VP IV), a further development of the Vascular Plug family already in routine use... - Irreversible electroporation of renal cell carcinoma: a first-in-man phase I clinical studyMaciej Pech
Department of Radiology and Nuclear Medicine, University of Magdeburg, Leipziger Straße 44, 39120, Magdeburg, Germany
Cardiovasc Intervent Radiol 34:132-8. 2011..The purpose of this study was to assess the feasibility and safety of ablating renal cell carcinoma (RCC) tissue by IRE... - Radiotherapy of liver metastases. Comparison of target volumes and dose-volume histograms employing CT- or MRI-based treatment planningMaciej Pech
Department of Radiology and Nuclear Medicine, University of Magdeburg, Germany
Strahlenther Onkol 184:256-61. 2008..To assess differences in delineated target volumes of liver metastases using contrast-enhanced CT and different MRI sequences for radiation treatment planning... - Assessment of the tolerance dose of the hepatic reticulo-endothelial system (RES) after single fraction HDR-irradiation: an in-vivo study employing SSPIOMaciej Pech
Universitatsklinik Magdeburg, Klinik fur Radiologie und Nuklearmedizin, Magdeburg, Germany
Int J Radiat Biol 84:830-7. 2008..To prospectively assess a dose-response relationship for the hepatic reticulo-endothelial system (RES) after small volume single fraction irradiation of liver parenchyma in vivo... - Embolization of the gastroduodenal artery before selective internal radiotherapy: a prospectively randomized trial comparing platinum-fibered microcoils with the Amplatzer Vascular Plug IIMaciej Pech
Department of Radiology and Nuclear Medicine, University of Magdeburg, Leipziger Strasse 44, 39120, Magdeburg, Germany
Cardiovasc Intervent Radiol 32:455-61. 2009..In conclusion, embolization of the GDA with the AVP II is safe, easy, rapid, and highly effective; only an extremely sharp-angled celiac trunk outlet represented an anatomical limitation for device deployment... - Local response and impact on survival after local ablation of liver metastases from colorectal carcinoma by computed tomography-guided high-dose-rate brachytherapyJens Ricke
Klinik fur Radiologie und Nuklearmedizin, Universitatsklinikum Magdeburg, Germany
Int J Radiat Oncol Biol Phys 78:479-85. 2010..To determine local tumor control after CT-guided brachytherapy at various dose levels and the prognostic impact of extensive cytoreduction in colorectal liver metastases... - Computed tomography-guided high-dose-rate brachytherapy in hepatocellular carcinoma: safety, efficacy, and effect on survivalKonrad Mohnike
Klinik fur Radiologie und Nuklearmedizin, Otto von Guericke University, Magdeburg, Germany
Int J Radiat Oncol Biol Phys 78:172-9. 2010..To determine the safety and efficacy of computed tomography (CT)-guided brachytherapy in hepatocellular carcinoma (HCC)... - Radiobiological restrictions and tolerance doses of repeated single-fraction hdr-irradiation of intersecting small liver volumes for recurrent hepatic metastasesRicarda Ruhl
Universitatsklinikum Magdeburg, Klinik fur Radiologie und Nuklearmedizin, Otto von Guericke Universitat Magdeburg, Germany
Radiat Oncol 5:44. 2010..To assess radiobiological restrictions and tolerance doses as well as other toxic effects derived from repeated applications of single-fraction high dose rate irradiation of small liver volumes in clinical practice... - CT-guided interstitial brachytherapy of primary and secondary lung malignancies: results of a prospective phase II trialNils Peters
Department of Radiology and Nuclear Medicine, Otto von Guericke University, Leipziger Strasse 44, Magdeburg, Germany
Strahlenther Onkol 184:296-301. 2008..The purpose of this study was to assess safety and efficacy of this technique... - Safety margin in irradiation of colorectal liver metastases: assessment of the control dose of micrometastasesMax Seidensticker
Klinik fur Radiologie und Nuklearmedizin, Universitatsklinikum Magdeburg, Otto von Guericke Universitat Magdeburg, Germany
Radiat Oncol 5:24. 2010..In this study we sought to determine the threshold dose for local control of occult micrometastases in patients undergoing CT (computed tomography)-guided brachytherapy of colorectal liver metastases... - Value of diffusion weighted MR imaging as an early surrogate parameter for evaluation of tumor response to high-dose-rate brachytherapy of colorectal liver metastasesChristian Wybranski
Department of Radiology and Nuclear Medicine, Otto von Guericke University Magdeburg, Germany
Radiat Oncol 6:43. 2011..To assess the value of diffusion weighted imaging (DWI) as an early surrogate parameter for treatment response of colorectal liver metastases to image-guided single-fraction ¹?²Ir-high-dose-rate brachytherapy (HDR-BT)... - Phase II feasibility study on the combination of two different regional treatment approaches in patients with colorectal "liver-only" metastases: hepatic interstitial brachytherapy plus regional chemotherapyGero Wieners
Department of Radiology and Nuclear Medicine, Otto von Guericke University Magdeburg, Magdeburg, Germany
Cardiovasc Intervent Radiol 32:937-45. 2009..In conclusion, combinations of two minimally invasive therapeutic methods are feasible, with acceptable complication rates, and provide promising results in colorectal cancer patients with unresectable hepatic metastases... - Hepatocellular carcinoma and liver cirrhosis: assessment of the liver function after Yttrium-90 radioembolization with resin microspheres or after CT-guided high-dose-rate brachytherapyRicarda Ruhl
Klinik fur Radiologie und Nuklearmedizin, Universitätsklinikum Magdeburg AöR, Magdeburg, Germany
Dig Dis 27:189-99. 2009..To identify changes of liver function after single-fraction irradiation or yttrium-90 radioembolization ((90)Y-RE) of hepatocellular carcinoma associated with liver cirrhosis on the basis of laboratory data... - Quantitative in vivo assessment of radiation injury of the liver using Gd-EOB-DTPA enhanced MRI: tolerance dose of small liver volumesMax Seidensticker
Klinik fur Radiologie und Nuklearmedizin, Universitatsklinikum Magdeburg, Otto von Guericke Universitat Magdeburg, Germany
Radiat Oncol 6:40. 2011..In this study we sought to determine the hepatic tolerance dose to small volume single fraction high dose rate irradiation... - Treatment of hepatic metastases of breast cancer with CT-guided interstitial brachytherapy - a phase II-studyGero Wieners
Klinik fur Radiologie und Nuklearmedizin, Otto von Guericke University Magdeburg, Germany
Radiother Oncol 100:314-9. 2011..The aim of the study was the evaluation of feasibility, safety and effectiveness of interstitial brachytherapy for the treatment of hepatic metastases of breast cancer... - Early prediction of anticancer effects with diffusion-weighted MR imaging in patients with colorectal liver metastases following selective internal radiotherapyOliver Dudeck
Department of Radiology and Nuclear Medicine, University of Magdeburg, Magdeburg, Germany
Eur Radiol 20:2699-706. 2010..To prospectively evaluate diffusion-weighted imaging (DWI) for early prediction of tumour response in patients with colorectal liver metastases following selective internal radiotherapy (SIRT)... - Embolization of the gastroduodenal artery before selective internal radiotherapy: a prospectively randomized trial comparing standard pushable coils with fibered interlock detachable coilsOliver Dudeck
Department of Radiology and Nuclear Medicine, University of Magdeburg, Leipziger Strasse 44, 39120 Magdeburg, Germany
Cardiovasc Intervent Radiol 34:74-80. 2011..However, vessel occlusion may not be obtained using a single device only, and the use of sharply angled guiding catheters hampered coil pushability... - Assessment of fast dynamic imaging and the use of Gd-EOB-DTPA for MR-guided liver interventionsFrank Fischbach
Department of Radiology, Otto von Guericke University, Medical School, Magdeburg, Germany
J Magn Reson Imaging 34:874-9. 2011..1) To analyze and compare fast dynamic imaging sequences to biopsy suspect liver lesions. 2) To evaluate the additional use of hepatocyte-specific contrast agent compared to the nonenhanced fast dynamic scans and diagnostic liver imaging... - MR imaging guided percutaneous nephrostomy using a 1.0 Tesla open MR scannerFrank Fischbach
Department of Radiology, Otto von Guericke University, Medical School, Leipziger Str 44 39120, Magdeburg, Germany
Cardiovasc Intervent Radiol 34:857-63. 2011..The purpose of this study was to assess the safety and feasibility of MR-guided percutaneous nephrostomy (PCN) using a 1.0 Tesla open MR-scanner with fast dynamic imaging... - Computed tomography pulmonary embolism index for the assessment of survival in patients with pulmonary embolismMaciej Pech
Klinik fur Radiologie und Nuklearmedizin, Universitatsklinikum Magdeburg, Leipziger Strasse 44, 39120 Magdeburg, Germany
Eur Radiol 17:1954-9. 2007..993; p< 0.001). In our study the CT PE index did not translate into patient outcome. Prospective larger scale studies are needed to confirm the predictive value of the index and refine the index criteria... - Image-guided interstitial high-dose-rate brachytherapy in hepatocellular carcinomaKonrad Mohnike
Kliniken für Radiologie und Nuklearmedizin, Universitätsklinikum Magdeburg AöR, Magdeburg, Germany
Dig Dis 27:170-4. 2009..Preliminary data suggest a positive impact on overall survival. Randomized controlled trials are on their way to assess combination schemes with systemic treatments such as sorafenib... - Detection of type II endoleak after endovascular aortic repair: comparison between magnetic resonance angiography and blood-pool contrast agent and dual-phase computed tomography angiographyGero Wieners
Department of Radiology and Nuclear Medicine, University Hospital, 39120 Magdeburg, Germany
Cardiovasc Intervent Radiol 33:1135-42. 2010..This prospective study was designed to assess the diagnostic value of magnetic resonance angiography (MRA) with blood-pool contrast agent (gadofosveset) in the detection of type-II endoleak after endovascular aortic repair (EVAR)... - Angiography in the isolated perfused kidney: radiological evaluation of vascular protection in tissue ablation by nonthermal irreversible electroporationJohann Jakob Wendler
Department of Urology, University of Magdeburg, Leipziger Straße 44, 39120 Magdeburg, Germany
Cardiovasc Intervent Radiol 35:383-90. 2012..The purpose of this experimental study was the first angiographic evaluation of the acute damage of renal vascular structure in NTIRE... - Superiority of transcutaneous oxygen tension measurements in predicting limb salvage after below-the-knee angioplasty: a prospective trial in diabetic patients with critical limb ischemiaUlf Redlich
Department of Radiology and Nuclear Medicine, University of Magdeburg, Leipziger Strasse 44, 39120, Magdeburg, Germany
Cardiovasc Intervent Radiol 34:271-9. 2011.... - Prevention of intraprocedural puncture site bleeding during arterial port implantation by use of a suture-mediated arterial closure system: a prospective randomized trialOliver Dudeck
Department of Radiology and Nuclear Medicine, University of Magdeburg, Leipziger Str 44, 39120 Magdeburg, Germany
J Vasc Interv Radiol 22:1409-13. 2011..To investigate a modified technique for arterial port placement that uses a suture-mediated closure system with the aim to reduce delays caused by intraprocedural oozing around the catheter... - High-resolution MRI of the wrist and finger joints in patients with rheumatoid arthritis: comparison of 1.5 Tesla and 3.0 TeslaGero Wieners
Department of Radiology and Nuclear Medicin, Otto von Guericke University, Leipziger Str 44, 39120 Magdeburg, Germany
Eur Radiol 17:2176-82. 2007..8-1.0. MRI image quality of RA hands is superior at 3.0 T, while an acceptable image quality is achieved at 1.5 T, which improves the evaluation of extent of bone edema, synovitis and identification of small bone erosions... - CsI-detector-based dual-exposure dual energy in chest radiography for lung nodule detection: results of an international multicenter trialRicarda Ruhl
Universitatsklinikum Magdeburg, Klinik fur Radiologie und Nuklearmedizin, Leipzigerstr 44, 39120, Magdeburg, Germany
Eur Radiol 18:1831-9. 2008.... - CT-guided interstitial brachytherapy of liver malignancies alone or in combination with thermal ablation: phase I-II results of a novel techniqueJens Ricke
Klinik fur Strahlenheilkunde, Charité Virchow Klinikum Medical Faculty of the Humboldt University Berlin, Berlin, Germany
Int J Radiat Oncol Biol Phys 58:1496-505. 2004..To assess the safety and efficacy of CT-guided brachytherapy alone or in combination with laser-induced thermotherapy (LITT) in patients with liver malignancies... - In vivo assessment of the tolerance dose of small liver volumes after single-fraction HDR irradiationJens Ricke
Klinik fur Strahlenheilkunde, Charite, Campus Virchow Klinikum, Humboldt University Medical School, Berlin, Germany
Int J Radiat Oncol Biol Phys 62:776-84. 2005..To prospectively assess a dose-response relationship for small volumes of liver parenchyma after single-fraction irradiation... - [CT-Guided brachytherapy. A novel percutaneous technique for interstitial ablation of liver metastases]Jens Ricke
Klinik fur Strahlenheilkunde, Charite Virchow Klinikum, Humboldt Universitat zu Berlin, Berlin, Germany
Strahlenther Onkol 180:274-80. 2004..To assess safety and efficacy of CT-guided brachytherapy of liver malignancies... - In vivo assessment of the gastric mucosal tolerance dose after single fraction, small volume irradiation of liver malignancies by computed tomography-guided, high-dose-rate brachytherapyFlorian Streitparth
Department of Radiology, , Campus Virchow Clinic, Humboldt University, Berlin, Germany
Int J Radiat Oncol Biol Phys 65:1479-86. 2006..5 Gy for the clinical endpoint ulceration of the gastric mucosa. This in vivo assessment is in accordance with previously published tolerance data... - Liver malignancies: CT-guided interstitial brachytherapy in patients with unfavorable lesions for thermal ablationJens Ricke
Klinik fur Strahlenheilkunde, Charite Virchow Klinikum, Augustenburger Platz 1, 13353 Berlin, Germany
J Vasc Interv Radiol 15:1279-86. 2004..To evaluate computed tomography (CT)-guided brachytherapy in patients with very large liver malignancies or with liver tumors located adjacent to the liver hilum... - CT-guided interstitial single-fraction brachytherapy of lung tumors: phase I results of a novel techniqueJens Ricke
Klinik fur Strahlenheilkunde, Charite, Campus Virchow Klinikum, Augustenburger Platz 1, 13353 Berlin, Germany
Chest 127:2237-42. 2005..To assess the safety of CT-guided brachytherapy of lung malignancies and to evaluate the initial therapeutic response... - CT-guided interstitial brachytherapy in the local treatment of extrahepatic, extrapulmonary secondary malignanciesGero Wieners
, Charit, Campus Virchow Klinikum, , Augustenburger Platz 1, 13353, Berlin, Germany
Eur Radiol 16:2586-93. 2006..5% after 6 months and progression-free survival 47% after 6 months. Minimally invasive CT-guided HDR brachytherapy is safe and effective in the palliative treatment of extrahepatic, extrapulmonary secondary malignancies... - Preoperative evaluation of living kidney donors using multirow detector computed tomography: comparison with digital subtraction angiography and intraoperative findingsEnrique Lopez Hänninen
Department of Radiology, Charite Medical University Center, Campus Virchow Clinic, Augustenburger Platz 1, D 13353 Berlin, Germany
Transpl Int 18:1134-41. 2005.... - Local arterial infusion of superparamagnetic iron oxide particles in hepatocellular carcinoma: A feasibility and 3.0 T MRI studyOliver Dudeck
Department of Radiology, Rudolf Virchow, Berlin, Germany
Invest Radiol 41:527-35. 2006..We sought to prove feasibility of selective arterial infusion of superparamagnetic iron oxide (SPIO) particles in patients with hepatocellular carcinoma (HCC)... - Volume determination of intracranial aneurysms using 16-row multislice computed tomography angiography: a systematic in vitro analysis of different reconstruction methodsOliver Dudeck
Department of Radiology, Charite, Campus Virchow Clinic, Berlin, Germany
J Comput Assist Tomogr 29:851-7. 2005..To assess multislice computed tomography (CT) angiography for volume determination of intracranial aneurysms... - Dynamic perfusion CT: optimizing the temporal resolution for the calculation of perfusion CT parameters in stroke patientsAndreas Kämena
Department of Radiology, Charité Medical University Berlin, Augustenburger Platz 1, D 13353 Berlin, Germany
Eur J Radiol 64:111-8. 2007..To assess the influence of different temporal sampling rates on the accuracy of the results from cerebral perfusion CTs in patients with an acute ischemic stroke... - [Possibilities of stroke diagnosis in 8-line CT. Determination of a standard]Gero Wieners
, , Berlin
Rontgenpraxis 55:58-65. 2003 - Efficacy of contrast medium use for neuroimaging at 3.0 T: utility of IR-FSE compared to other T1-weighted pulse sequencesFrank Fischbach
Department of Radiology Charité, Campus Virchow Klinikum, Humboldt University Medical School, 13353 Berlin, Germany
J Comput Assist Tomogr 29:499-505. 2005..0 T. However, the inherent blurring of the IR-FSE can lead to poor performance for very small lesions... - Interventionally implanted port catheter systems for hepatic arterial infusion of chemotherapy in patients with colorectal liver metastases: a Phase II-study and historical comparison with the surgical approachBert Hildebrandt
CharitéCentrum fur Tumormedizin, Medizinische Klinik mit Schwerpunkt Hämatologie und Onkologie, Campus Virchow Klinikum, Charite Universitatsmedizin Berlin, Berlin, Germany
BMC Cancer 7:69. 2007.... - Continuous intra-arterial chemotherapy with 5-fluorouracil and cisplatin for locally advanced anaplastic carcinoma of the pancreasFrank Benedix
Int J Colorectal Dis 23:729-31. 2008 - Combined SPECT/CT imaging using 123I-IMT in the detection of recurrent or persistent head and neck cancerMichail Plotkin
Department of Radiology, Nuclear Medicine and Radiooncology, Campus Virchow, Berlin, Germany
Eur Radiol 16:503-11. 2006..IMT-SPECT using integrated low-dose CT is a promising non-invasive imaging tool for the detection of head and neck cancer recurrences and their differentiation from treatment-induced changes... - Diffusion-weighted magnetic resonance imaging allows monitoring of anticancer treatment effects in patients with soft-tissue sarcomasOliver Dudeck
Department of Radiology Charité, Campus Buch, Berlin, Germany
J Magn Reson Imaging 27:1109-13. 2008..To determine if diffusion-weighted imaging (DWI) can be used as a surrogate marker of tumor response to anticancer therapy in patients with soft-tissue sarcomas... - Fusion imaging using a hybrid SPECT-CT camera improves port perfusion scintigraphy for control of hepatic arterial infusion of chemotherapy in colorectal cancer patientsTimm Denecke
Campus Virchow Klinikum, Charite Universitatsmedizin Berlin Klinik fur Strahlenheilkunde und PET Zentrum Berlin, Augustenburger Platz 1 Berlin, 13353 Berlin, Germany
Eur J Nucl Med Mol Imaging 32:1003-10. 2005..The aim of this study was to evaluate port perfusion scintigraphy in colorectal cancer patients using a hybrid SPECT-CT system for control of minimally invasive intra-arterial port systems within the scope of a phase II trial...