Works by Ketter, Ralf

Results: 40

Toxicity after radiochemotherapy for glioblastoma using temozolomide--a retrospective evaluation.

Published in:

2011

By:

Niewald, Marcus;
Berdel, Christian;
Fleckenstein, Jochen;
Licht, Norbert;
Ketter, Ralf;
Rübe, Christian

Publication type:

journal article

Single-cell DNA sequencing reveals order of mutational acquisition in TRAF7/AKT1 and TRAF7/KLF4 mutant meningiomas.

Published in:

Acta Neuropathologica, 2022, v. 144, n. 4, p. 799, doi. 10.1007/s00401-022-02485-6

By:

Dogan, Helin;
Blume, Christina;
Patel, Areeba;
Jungwirth, Gerhard;
Sogerer, Lisa;
Ratliff, Miriam;
Ketter, Ralf;
Herold-Mende, Christel;
Jones, David T. W.;
Wick, Wolfgang;
Vollmuth, Philipp;
Zweckberger, Klaus;
Reuss, David;
von Deimling, Andreas;
Sahm, Felix

Publication type:

Article

Clear cell meningiomas are defined by a highly distinct DNA methylation profile and mutations in SMARCE1.

Published in:

Acta Neuropathologica, 2021, v. 141, n. 2, p. 281, doi. 10.1007/s00401-020-02247-2

By:

Sievers, Philipp;
Sill, Martin;
Blume, Christina;
Tauziede-Espariat, Arnault;
Schrimpf, Daniel;
Stichel, Damian;
Reuss, David E.;
Dogan, Helin;
Hartmann, Christian;
Mawrin, Christian;
Hasselblatt, Martin;
Stummer, Walter;
Schick, Uta;
Hench, Jürgen;
Frank, Stephan;
Ketter, Ralf;
Schweizer, Leonille;
Schittenhelm, Jens;
Puget, Stéphanie;
Brandner, Sebastian

Publication type:

Article

CDKN2A/B homozygous deletion is associated with early recurrence in meningiomas.

Published in:

Acta Neuropathologica, 2020, v. 140, n. 3, p. 409, doi. 10.1007/s00401-020-02188-w

By:

Sievers, Philipp;
Hielscher, Thomas;
Schrimpf, Daniel;
Stichel, Damian;
Reuss, David E.;
Berghoff, Anna S.;
Neidert, Marian C.;
Wirsching, Hans-Georg;
Mawrin, Christian;
Ketter, Ralf;
Paulus, Werner;
Reifenberger, Guido;
Lamszus, Katrin;
Westphal, Manfred;
Etminan, Nima;
Ratliff, Miriam;
Herold-Mende, Christel;
Pfister, Stefan M.;
Jones, David T. W.;
Weller, Michael

Publication type:

Article

Chordoid meningiomas can be sub-stratified into prognostically distinct DNA methylation classes and are enriched for heterozygous deletions of chromosomal arm 2p.

Published in:

Acta Neuropathologica, 2018, v. 136, n. 6, p. 975, doi. 10.1007/s00401-018-1924-x

By:

Sievers, Philipp;
Stichel, Damian;
Hielscher, Thomas;
Schrimpf, Daniel;
Reinhardt, Annekathrin;
Wefers, Annika K.;
Reuss, David;
Jones, David T. W.;
Bewerunge-Hudler, Melanie;
Hartmann, Christian;
Baumgarten, Peter;
Wirsching, Hans-Georg;
Winther-Kristensen, Bjarne;
Brokinkel, Benjamin;
Ketter, Ralf;
Idoate Gastearena, Miguel Angel;
Lamszus, Katrin;
Seiz-Rosenhagen, Marcel;
Mawrin, Christian;
Harter, Patrick N.

Publication type:

Article

The intra-tumoral heterogeneity in glioblastoma — a limitation for prognostic value of epigenetic markers?

Published in:

Acta Neurochirurgica, 2023, v. 165, n. 6, p. 1635, doi. 10.1007/s00701-023-05594-7

By:

Christoph, Sippl;
Alicia, Saenz;
Fritz, Teping;
Vanessa, Trenkpohl;
Ralf, Ketter;
Jin, Kim Yoo;
Stefan, Linsler;
Joachim, Oertel

Publication type:

Article

miRNA-26a expression influences the therapy response to carmustine wafer implantation in patients with glioblastoma multiforme.

Published in:

Acta Neurochirurgica, 2019, v. 161, n. 11, p. 2299, doi. 10.1007/s00701-019-04051-8

By:

Sippl, Christoph;
Ketter, Ralf;
Braun, Luisa;
Teping, Fritz;
Schoeneberger, Louisa;
Kim, Yoo Jin;
List, Markus;
Nakhoda, Arjang;
Wemmert, Silke;
Oertel, Joachim;
Urbschat, Steffi

Publication type:

Article

Fluorescence imaging of meningioma cells with somatostatin receptor ligands: an in vitro study.

Published in:

Acta Neurochirurgica, 2019, v. 161, n. 5, p. 1017, doi. 10.1007/s00701-019-03872-x

By:

Linsler, Stefan;
Ketter, Ralf;
Oertel, Joachim;
Urbschat, Steffi

Publication type:

Article

Nasoethmoidal Meningioma with Cytogenetic Features of Tumor Aggressiveness in a 16-Year-Old Child.

Published in:

Pediatric Neurosurgery, 2003, v. 39, n. 4, p. 190, doi. 10.1159/000072470

By:

Ketter, Ralf;
Henn, Wolfram;
Feiden, Wolfgang;
Prowald, Alexandra;
Sittel, Christian;
Steudel, Wolf-Ingo;
Strowitzki, Martin

Publication type:

Article

Detection of Meningeosis neoplastica by real-time quantitation of telomerase activity.

Published in:

Clinical Chemistry & Laboratory Medicine, 2009, v. 47, n. 10, p. 1271, doi. 10.1515/CCLM.2009.258

By:

Assmann, Gunter;
Werner, Christian;
Herrmann, Markus;
Momber, Dunja;
Krenn, Thomas;
Lothschütz, Daniela;
Fischer, Lars;
Hess, Sandra;
Ketter, Ralf;
Feiden, Wolfgang;
Jung, Stefan;
Herrmann, Wolfgang;
Schubert, Jörg;
Pfreundschuh, Michael;
Widmann, Thomas

Publication type:

Article

RB1‑promoter methylation in glioblastoma: A rare event in glioblastoma.

Published in:

Oncology Reports, 2023, v. 50, n. 1, p. N.PAG, doi. 10.3892/or.2023.8580

By:

Urbschat, Steffi;
Breitfelder, Gerrit;
Henia, Mohamed;
Schulz-Schaeffer, Walter;
Sippl, Christoph;
Oertel, Joachim;
Ketter, Ralf

Publication type:

Article

Prognostic Significance of the Mitotic Index Using the Mitosis Marker Anti-Phosphohistone H3 in Meningiomas.

Published in:

American Journal of Clinical Pathology, 2007, v. 128, n. 1, p. 118, doi. 10.1309/HXUNAG34B3CEFDU8

By:

Yoo-Jin Kim;
Ralf Ketter;
Wolf-Ingo Steudel;
Wolfgang Feiden

Publication type:

Article

Analysis of the antibody repertoire of astrocytoma patients against antigens expressed by gliomas.

Published in:

International Journal of Cancer, 2002, v. 98, n. 1, p. 73, doi. 10.1002/ijc.10170

By:

Schmits, Rudolf;
Cochlovius, Björn;
Treitz, Gerhard;
Regitz, Evi;
Ketter, Ralf;
Preuss, Klaus-Dieter;
Romeike, Bernd F.M.;
Pfreundschuh, Michael

Publication type:

Article

Promoter methylation of RB1, P15, P16, and MGMT and their impact on the clinical course of pilocytic astrocytomas.

Published in:

Oncology Letters, 2018, v. 15, n. 2, p. 1600, doi. 10.3892/ol.2017.7490

By:

Sippl, Christoph;
Urbschat, Steffi;
Kim, Yoo Jin;
Senger, Sebastian;
Oertel, Joachim;
Ketter, Ralf

Publication type:

Article

IMMU-49. CYTOTOXIC T CELLS AND THEIR ACTIVATION STATUS ARE INDEPENDENT PROGNOSTIC MARKERS IN MENINGIOMAS.

Published in:

Neuro-Oncology, 2018, v. 20, p. vi132, doi. 10.1093/neuonc/noy148.552

By:

Herold-Mende, Christel;
Rapp, Carmen;
Jungk, Christine;
Sahm, Felix;
Lamszus, Katrin;
Ketter, Ralf;
Löhr, Mario;
Senft, Christian;
Westphal, Manfred;
Deimling, Andreas von

Publication type:

Article

Long-term analysis of the NOA-04 randomized phase III trial of sequential radiochemotherapy of anaplastic glioma with PCV or temozolomide.

Published in:

Neuro-Oncology, 2016, v. 18, n. 11, p. 1529, doi. 10.1093/neuonc/now133

By:

Wick, Wolfgang;
Roth, Patrick;
Hartmann, Christian;
Hau, Peter;
Makoto Nakamura;
Stockhammer, Florian;
Sabel, Michael C.;
Wick, Antje;
Koeppen, Susanne;
Ketter, Ralf;
Vajkoczy, Peter;
Eyupoglu, Ilker;
Kalff, Rolf;
Pietsch, Torsten;
Happold, Caroline;
Galldiks, Norbert;
Schmidt-Graf, Friederike;
Bamberg, Michael;
Reifenberger, Guido;
Platten, Michael

Publication type:

Article

Complete resection of contrast-enhancing tumor volume is associated with improved survival in recurrent glioblastoma--results from the DIRECTOR trial.

Published in:

Neuro-Oncology, 2016, v. 18, n. 4, p. 549, doi. 10.1093/neuonc/nov326

By:

Suchorska, Bogdana;
Weller, Michael;
Tabatabai, Ghazaleh;
Senft, Christian;
Hau, Peter;
Sabel, Michael C.;
Herrlinger, Ulrich;
Ketter, Ralf;
Schlegel, Uwe;
Marosi, Christine;
Reifenberger, Guido;
Wick, Wolfgang;
Tonn, Jörg C.;
Wirsching, Hans-Georg

Publication type:

Article

Identification of KIF11 as a Novel Target in Meningioma.

Published in:

Cancers, 2019, v. 11, n. 4, p. 545, doi. 10.3390/cancers11040545

By:

Jungwirth, Gerhard;
Yu, Tao;
Moustafa, Mahmoud;
Rapp, Carmen;
Warta, Rolf;
Jungk, Christine;
Sahm, Felix;
Dettling, Steffen;
Zweckberger, Klaus;
Lamszus, Katrin;
Senft, Christian;
Loehr, Mario;
Keßler, Almuth F.;
Ketter, Ralf;
Westphal, Manfred;
Debus, Juergen;
von Deimling, Andreas;
Simon, Matthias;
Unterberg, Andreas;
Abdollahi, Amir

Publication type:

Article

Deletions in the 17q chromosomal region and their influence on the clonal cytogenetic evolution of recurrent meningiomas.

Published in:

Molecular Cytogenetics (17558166), 2019, v. 12, n. 1, p. N.PAG, doi. 10.1186/s13039-019-0434-4

By:

Hemmer, Sina;
Urbschat, Steffi;
Oertel, Joachim;
Ketter, Ralf

Publication type:

Article

Importance of biomarkers in glioblastomas patients receiving local BCNU wafer chemotherapy.

Published in:

Molecular Cytogenetics (17558166), 2017, v. 10, p. 1, doi. 10.1186/s13039-017-0317-5

By:

Urbschat, Steffi;
Sippl, Christoph;
Engelhardt, Jana;
Kammers, Kai;
Oertel, Joachim;
Ketter, Ralf

Publication type:

Article

First-line treatment of malignant glioma with carmustine implants followed by concomitant radiochemotherapy: a multicenter experience.

Published in:

Neurosurgical Review, 2010, v. 33, n. 4, p. 441, doi. 10.1007/s10143-010-0280-7

By:

Bock, Hans Christoph;
Puchner, Maximilian Josef Anton;
Lohmann, Frauke;
Schütze, Michael;
Koll, Simone;
Ketter, Ralf;
Buchalla, Ruediger;
Rainov, Nikolai;
Kantelhardt, Sven R.;
Rohde, Veit;
Giese, Alf

Publication type:

Article

Correction to: Maximal cardiopulmonary exercise testing in glioblastoma patients undergoing chemotherapy: assessment of feasibility, safety, and physical fitness status.

Published in:

2024

By:

Jost, Johanna;
Völker, Klaus;
Brandt, Ralf;
Stummer, Walter;
Urbschat, Steffi;
Ketter, Ralf;
Wiewrodt, Dorothee;
Wiewrodt, Rainer;
Kloss, Maren;
Hansel, Nora;
Früchte, Irmtraud;
Julian, Ross;
Thorwesten, Lothar;
Gerß, Joachim;
Faldum, Andreas;
Oertel, Joachim;
Lepper, Philipp;
Jetschke, Kathleen;
Rekowski, Sylvia;
Lucas, Carolin Weiss

Publication type:

Correction Notice

Maximal cardiopulmonary exercise testing in glioblastoma patients undergoing chemotherapy: assessment of feasibility, safety, and physical fitness status.

Published in:

Journal of Neuro-Oncology, 2024, v. 168, n. 1, p. 35, doi. 10.1007/s11060-024-04629-y

By:

Jost, Johanna;
Völker, Klaus;
Brandt, Ralf;
Stummer, Walter;
Urbschat, Steffi;
Ketter, Ralf;
Wiewrodt, Dorothee;
Wiewrodt, Rainer;
Kloss, Maren;
Hansel, Nora;
Früchte, Irmtraud;
Julian, Ross;
Thorwesten, Lothar;
Gerß, Joachim;
Faldum, Andreas;
Oertel, Joachim;
Lepper, Philipp;
Jetschke, Kathleen;
Rekowski, Sylvia;
Lucas, Carolin Weiss

Publication type:

Article

AKT1E17K mutations cluster with meningothelial and transitional meningiomas and can be detected by SFRP1 immunohistochemistry.

Published in:

Acta Neuropathologica, 2013, v. 126, n. 5, p. 757, doi. 10.1007/s00401-013-1187-5

By:

Sahm, Felix;
Bissel, Juliane;
Koelsche, Christian;
Schweizer, Leonille;
Capper, David;
Reuss, David;
Böhmer, Katja;
Lass, Ulrike;
Göck, Tanja;
Kalis, Katrin;
Meyer, Jochen;
Habel, Antje;
Brehmer, Stefanie;
Mittelbronn, Michel;
Jones, David;
Schittenhelm, Jens;
Urbschat, Steffi;
Ketter, Ralf;
Heim, Stephanie;
Mawrin, Christian

Publication type:

Article

Secretory meningiomas are defined by combined KLF4 K409Q and TRAF7 mutations.

Published in:

Acta Neuropathologica, 2013, v. 125, n. 3, p. 351, doi. 10.1007/s00401-013-1093-x

By:

Reuss, David;
Piro, Rosario;
Jones, David;
Simon, Matthias;
Ketter, Ralf;
Kool, Marcel;
Becker, Albert;
Sahm, Felix;
Pusch, Stefan;
Meyer, Jochen;
Hagenlocher, Christian;
Schweizer, Leonille;
Capper, David;
Kickingereder, Phillipp;
Mucha, Jana;
Koelsche, Christian;
Jäger, Natalie;
Santarius, Thomas;
Tarpey, Patrick;
Stephens, Philip

Publication type:

Article

Red blood cell transfusion in neurosurgery.

Published in:

Acta Neurochirurgica, 2012, v. 154, n. 7, p. 1303, doi. 10.1007/s00701-012-1373-6

By:

Linsler, Stefan;
Ketter, Ralf;
Eichler, Hermann;
Schwerdtfeger, Karsten;
Steudel, Wolf-Ingo;
Oertel, Joachim

Publication type:

Article

Impact of MiRNA-181a2 on the Clinical Course of IDH1 Wild Type Glioblastoma.

Published in:

Processes, 2021, v. 9, n. 5, p. 728, doi. 10.3390/pr9050728

By:

Sippl, Christoph;
Schoeneberger, Louisa;
Teping, Fritz;
Schulz-Schaeffer, Walter;
Urbschat, Steffi;
Ketter, Ralf;
Oertel, Joachim;
Park, Jong Kook

Publication type:

Article

Selection toward diploid cells in prostatic carcinoma derived cell cultures.

Published in:

Prostate, 1996, v. 28, n. 6, p. 364, doi. 10.1002/(SICI)1097-0045(199606)28:6<364::AID-PROS5>3.0.CO;2-A

By:

Ketter, Ralf;
Zwergel, Thomas;
Romanakis, Konstantinos;
Unteregger, Gerhard;
Ziegler, Manfred;
Zang, Klaus-Dieter;
Wullich, Bernd

Publication type:

Article

MicroRNA 200a as a histologically independent marker for meningioma recurrence: Results of a four microRNA panel analysis in meningiomas.

Published in:

Cancer Medicine, 2023, v. 12, n. 7, p. 8433, doi. 10.1002/cam4.5566

By:

Urbschat, Steffi;
Landau, Benjamin;
Bewersdorf, Nina‐Christin;
Schuster, Celine;
Wagenpfeil, Gudrun;
Schulz‐Schaeffer, Walter J.;
Oertel, Joachim;
Ketter, Ralf

Publication type:

Article

Amplicons on chromosome 12q13-21 in glioblastoma recurrences.

Published in:

International Journal of Cancer, 2010, v. 126, n. 11, p. 2594, doi. 10.1002/ijc.24971

By:

Fischer, Ulrike;
Leidinger, Petra;
Keller, Andreas;
Folarin, Amos;
Ketter, Ralf;
Graf, Norbert;
Lenhof, Hans-Peter;
Meese, Eckart

Publication type:

Article

Application of oncogenetic trees mixtures as a biostatistical model of the clonal cytogenetic evolution of meningiomas.

Published in:

International Journal of Cancer, 2007, v. 121, n. 7, p. 1473, doi. 10.1002/ijc.22855

By:

Ketter, Ralf;
Urbschat, Steffi;
Henn, Wolfram;
Feiden, Wolfgang;
Beerenwinkel, Niko;
Lengauer, Thomas;
Steudel, Wolf-Ingo;
Zang, Klaus D.;
Rahnenführer, Jörg

Publication type:

Article

Molecular Biological Determinations of Meningioma Progression and Recurrence.

Published in:

PLoS ONE, 2014, v. 9, n. 4, p. 1, doi. 10.1371/journal.pone.0094987

By:

Linsler, Stefan;
Kraemer, Dennis;
Driess, Christina;
Oertel, Joachim;
Kammers, Kai;
Rahnenführer, Jörg;
Ketter, Ralf;
Urbschat, Steffi

Publication type:

Article

Increased Seroreactivity to Glioma-Expressed Antigen 2 in Brain Tumor Patients under Radiation.

Published in:

PLoS ONE, 2008, v. 3, n. 5, p. 1, doi. 10.1371/journal.pone.0002164

By:

Heisel, Sabrina M.;
Ketter, Ralf;
Keller, Andreas;
Klein, Veronika;
Pallasch, Christian P.;
Lenhof, Hans-Peter;
Meese, Eckart

Publication type:

Article

The Attallah screw: Where safety meets robustness in posterior subaxial cervical instrumentation.

Published in:

Medicine International (2754-3242), 2024, v. 4, n. 4, p. N.PAG, doi. 10.3892/mi.2024.159

By:

Hasanain, Mohammed;
Englisch, Colya N.;
Tschernig, Thomas;
Saeed, Samah;
Lepschokov, Magomed;
Ketter, Ralf;
Oertel, Joachim

Publication type:

Article

Ultrasonic Radio-Frequency Spectrum Analysis Differentiates Normal and Edematous Brain Tissue from Meningioma Intraoperatively.

Published in:

Journal of Neuroimaging, 2008, v. 18, n. 1, p. 73, doi. 10.1111/j.1552-6569.2007.00173.x

By:

Strowitzki, Martin;
Brand, Sebastian;
Ketter, Ralf;
Steudel, Wolf Ingo;
Jenderka, Klaus-Vitold

Publication type:

Article

Prospective study of p-[I]iodo- L-phenylalanine and SPECT for the evaluation of newly diagnosed cerebral lesions: specific confirmation of glioma.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2010, v. 37, n. 12, p. 2344, doi. 10.1007/s00259-010-1572-4

By:

Hellwig, Dirk;
Ketter, Ralf;
Romeike, Bernd;
Schaefer, Andrea;
Farmakis, Georgios;
Grgic, Aleksandar;
Moringlane, Jean;
Steudel, Wolf-Ingo;
Kirsch, Carl-Martin;
Samnick, Samuel

Publication type:

Article

Intra-individual comparison of p-[123I]-iodo-L-phenylalanine and L-3-[123I]-iodo-α-methyl-tyrosine for SPECT imaging of gliomas.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2008, v. 35, n. 1, p. 24, doi. 10.1007/s00259-007-0514-2

By:

Hellwig, Dirk;
Romeike, Bernd F. M.;
Ketter, Ralf;
Moringlane, Jean R.;
Kirsch, Carl-Martin;
Samnick, Samuel

Publication type:

Article

Validation of brain tumour imaging with p-[123I]iodo- l-phenylalanine and SPECT.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2005, v. 32, n. 9, p. 1041, doi. 10.1007/s00259-005-1807-y

By:

Hellwig, Dirk;
Ketter, Ralf;
Romeike, Bernd;
Sell, Nadja;
Schaefer, Andrea;
Moringlane, Jean;
Kirsch, Carl-Martin;
Samnick, Samuel

Publication type:

Article

The Loss of 1p as a Reliable Marker of Progression in a Child with Aggressive Meningioma: A 16-Year Follow-Up Case Report.

Published in:

Pediatric Neurosurgery, 2021, v. 55, n. 6, p. 418, doi. 10.1159/000512001

By:

Hemmer, Sina;
Sippl, Christoph;
Sahm, Felix;
Oertel, Joachim;
Urbschat, Steffi;
Ketter, Ralf

Publication type:

Article

Establishment of a molecular cytogenetic analysis for native tumor tissue of meningiomas-suitable for clinical application.

Published in:

Molecular Cytogenetics (17558166), 2014, v. 7, n. 1, p. 2, doi. 10.1186/1755-8166-7-12

By:

Lerner, Cornelia;
Ketter, Ralf;
Linsler, Stefan;
Henn, Wolfram;
Oertel, Joachim;
Urbschat, Steffi

Publication type:

Article