Hewer, Ekkehard

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Beck, Jürgen; Ulrich, Christian Thomas; Fung, Christian; Fichtner, Jens; Seidel, Kathleen; Fiechter, Michael; Hsieh, Kety Wha-Vei; Murek, Michael Konrad; Bervini, David; Meier, Niklaus; Mono, Marie-Luise; Mordasini, Pasquale; Hewer, Ekkehard; Z'Graggen, Werner Josef; Gralla, Jan; Raabe, Andreas (2016). Diskogenic microspurs as a major cause of intractable spontaneous intracranial hypotension. Neurology, 87(12), pp. 1220-1226. Lippincott Williams & Wilkins 10.1212/WNL.0000000000003122

Fiechter, Michael; Hewer, Ekkehard; Knecht, Urspeter; Wiest, Roland; Beck, Jürgen; Raabe, Andreas; Oertel, Markus Florian (2016). Adult anaplastic pilocytic astrocytoma - a diagnostic challenge? A case series and literature review. Clinical neurology and neurosurgery, 147, pp. 98-104. Elsevier 10.1016/j.clineuro.2016.06.005

Hewer, Ekkehard; Knecht, Urspeter; Ulrich, Christian Thomas (2016). Two adult cases of massively calcified low-grade glioma: expanding clinical spectrum of an emerging entity. Neuropathology, 36(5), pp. 508-509. Wiley 10.1111/neup.12288

Hench, Juergen; Roschanski, Nicole; Hewer, Ekkehard; Rösler, Uwe; Lass-Flörl, Cornelia; Stippich, Christoph; Tolnay, Markus; Rusche, Norman; Sonderegger, Beat; Sailer, Martin; Lyrer, Philippe; Peters, Nils; Frank, Stephan (2016). Granulomatous encephalitis: protothecosis excluded? Histopathology, 69(6), pp. 1082-1084. Wiley 10.1111/his.13020

Kratz, Annekathrin; Sahm, Felix; Schrimpf, Daniel; Jones, David T.; Reuß, David; Kölsche, Christian; Huang, Kristin; Wefers, Annika K.; Hovestadt, Volker; Gramatzki, Dorothee; Felsberg, Jörg; Koch, Arend; Thomale, Ulrich W.; Reifenberger, Guido; Becker, Albert; Hans, Volkmar; Prinz, Marco; Staszewski, Ori; Acker, Till; Dohmen-Scheufler, Hildegard; ... (2016). HG-68COMBINED ALTERATIONS IN MAPK PATHWAY GENES, CDKN2A/B AND ATRX CHARACTERIZE ANAPLASTIC PILOCYTIC ASTROCYTOMA. Neuro-Oncology, 18(suppl3), iii63.2-iii63. Oxford University Press 10.1093/neuonc/now073.64

Brügger, Fabienne; Dettmer, Matthias; Neuenschwander, Maja; Perren, Aurel; Marinoni, Ilaria; Hewer, Ekkehard (2016). TERT Promoter Mutations but not the Alternative Lengthening of Telomeres Phenotype Are Present in a Subset of Ependymomas and Are Associated With Adult Onset and Progression to Ependymosarcoma. Journal of neuropathology and experimental neurology, nlw106. Oxford University Press 10.1093/jnen/nlw106


Hewer, Ekkehard; Dettmer, Matthias S.; Vajtai, Istvan (2015). Oligoastrocytoma: Who's afraid of the … Liger? Histopathology, 68(7), pp. 1115-1117. Blackwell Scientific Publications 10.1111/his.12905

Hewer, Ekkehard; Beck, Jürgen; Kellner-Weldon, Frauke; Vajtai, Istvan (2015). Suprasellar chordoid neoplasm with expression of thyroid transcription factor 1: evidence that chordoid glioma of the third ventricle and pituicytoma may form part of a spectrum of lineage-related tumors of the basal forebrain. Human pathology, 46(7), pp. 1045-1049. Elsevier 10.1016/j.humpath.2015.03.005

Hewer, Ekkehard; Vajtai, Istvan; Dettmer, Matthias; Berezowska, Sabina Anna; Vassella, Erik (2015). Combined ATRX/IDH1 immunohistochemistry predicts genotype of oligoastrocytomas. Histopathology, 68(2), pp. 272-278. Blackwell Scientific Publications 10.1111/his.12743

Pajtler, Kristian W; Witt, Hendrik; Sill, Martin; Jones, David T W; Hovestadt, Volker; Kratochwil, Fabian; Wani, Khalida; Tatevossian, Ruth; Punchihewa, Chandanamali; Johann, Pascal; Reimand, Jüri; Warnatz, Hans-Jörg; Ryzhova, Marina; Mack, Steve; Ramaswamy, Vijay; Capper, David; Schweizer, Leonille; Sieber, Laura; Wittmann, Andrea; Huang, Zhiqin; ... (2015). Molecular Classification of Ependymal Tumors across All CNS Compartments, Histopathological Grades, and Age Groups. Cancer cell, 27(5), pp. 728-743. Cell Press 10.1016/j.ccell.2015.04.002

Hewer, Ekkehard; Vajtai, Istvan (2015). Consistent nuclear expression of thyroid transcription factor 1 in subependymal giant cell astrocytomas suggests lineage-restricted histogenesis. Clinical neuropathology, 34(3), pp. 128-131. Dustri-Verlag 10.5414/np300818

Koelsche, Christian; Hovestadt, Volker; Jones, David T W; Capper, David; Sturm, Dominik; Sahm, Felix; Schrimpf, Daniel; Adeberg, Sebastian; Böhmer, Katja; Hagenlocher, Christian; Mechtersheimer, Gunhild; Kohlhof, Patricia; Mühleisen, Helmut; Beschorner, Rudi; Hartmann, Christian; Braczynski, Anne Kristin; Mittelbronn, Michel; Buslei, Rolf; Becker, Albert; Grote, Alexander; ... (2015). Melanotic tumors of the nervous system are characterized by distinct mutational, chromosomal and epigenomic profiles. Brain pathology, 25(2), pp. 202-208. Blackwell 10.1111/bpa.12228

Kollár, Attila; Hewer, Ekkehard; Kellner-Weldon, Frauke; Ochsenbein, Adrian (2015). Complete pain relief after bevacizumab in a patient with neurofibromatosis type 2. Acta oncologica, 54(2), pp. 280-288. Acta Oncologica 10.3109/0284186X.2014.956185

Hewer, Ekkehard; Mariani, Luigi; Vajtai, Istvan (2015). Glioma-like proliferation in a cortical hamartoma of tuberous sclerosis complex. Brain pathology, 32(1), pp. 76-78. Blackwell 10.1007/s10014-014-0185-1


Hewer, Ekkehard; Beck, Jürgen; Murek, Michael; Kappeler, Andreas; Vassella, Erik; Vajtai, Istvan (2014). Polymorphous oligodendroglioma of Zülch revisited: a genetically heterogeneous group of anaplastic gliomas including tumors of bona fide oligodendroglial differentiation. Neuropathology, 34(4), pp. 323-332. Wiley 10.1111/neup.12097

Hewer, Ekkehard; Kellner-Weldon, Frauke; Abu-Isa, Janine; Schmitt Kurrer, Anja (2014). Multiple cerebral lesions in a 60-year-old female patient with a history of liver transplantation. Neuropathology, 34(4), pp. 425-427. Wiley 10.1111/neup.12125

Hewer, Ekkehard; Beck, Jürgen; Vassella, Erik; Vajtai, Istvan (2014). Anaplastic oligodendroglioma arising from the brain stem and featuring 1p/19q co-deletion. Neuropathology, 34(1), pp. 32-38. Wiley 10.1111/neup.12043

Mathys, Jan; Vajtai, Istvan; Vögelin, Esther; Zimmermann, Dieter R; Ozdoba, Christoph; Hewer, Ekkehard (2014). Desmoplastic small round cell tumor: A rare cause of a progressive brachial plexopathy. Muscle & nerve, 49(6), pp. 922-927. John Wiley & Sons 10.1002/mus.24165

Miesbach, Timo; Oertel, Markus Florian; Hewer, Ekkehard; Wiest, Roland; Raabe, Andreas (2014). Adult intradiploid meningoencephalocele. Journal of neurological surgery. Part A, Central European surgery, 75, p. 63. Thieme Medical

Miesbach, Timo; Oertel, Markus Florian; Hewer, Ekkehard; Wiest, Roland; Raabe, Andreas (2014). Adult intradiploid meningoencephalocele (Unpublished). In: SGN Jahrestagung. Zürich. 30.06.-02.07.2014.


Schucht, Philippe; Murek, Michael; Jilch, Astrid; Seidel, Kathleen; Hewer, Ekkehard; Wiest, Roland; Raabe, Andreas; Beck, Jürgen (2013). Early re-do surgery for glioblastoma is a feasible and safe strategy to achieve complete resection of enhancing tumor. PLoS ONE, 8(11), e79846. Public Library of Science 10.1371/journal.pone.0079846

Hewer, Ekkehard; Genitsch Gratwohl, Vera; Schäfer, Stephan; Vajtai, Istvan (2013). Cytokeratin-positive epithelioid gastrointestinal stromal tumor of the stomach - a comment on "gastric undifferentiated carcinoma with diffuse c-kit overexpression and focal neuroendocrine differentiation". Pathology, research and practice, 209(7), pp. 467-468. Elsevier 10.1016/j.prp.2013.04.015

Schürch, Christian; Birrer, Michèle Andrea; Estella, Isabelle; Kappeler, Andreas; Hewer, Ekkehard; Vajtai, Istvan (2013). "Leiomyomatoid angiomatous neuroendocrine tumor" (LANT) of the pituitary reflects idiosyncratic angiogenesis in adenomas of the gonadotroph cell lineage. Pathology, research and practice, 209(3), pp. 155-160. Elsevier 10.1016/j.prp.2013.01.003

Dahdal, S.; Andres, R. H.; Hewer, E.; Reubi, J. C.; Klaeser, B.; Raabe, A.; Cihoric, N.; Schmid, R.; Tänzler, K.; Krause, T.; Aebersold, D. M.; Schmuecking, M. (2013). A rare case of a large spinal meningioma with mediastinal extension and malignant behavior classified histologically as benign. In: Baum, Richard P.; Rösch, Frank (eds.) Theranostics, Gallium-68, and Other Radionuclides. A Pathway to Personalized Diagnosis and Treatment. Recent Results in Cancer Research: Vol. 194 (pp. 443-455). Berlin: Springer 10.1007/978-3-642-27994-2_24

Kessler, B.; Bally, F.; Hewer, Ekkehard; Sendi, Parham (2013). Delayed diagnosis of cryptococcal meningoencephalitis due to negative cryptococcal antigen test. BMJ case reports, 2013(jan29 1), bcr2012007980-bcr2012007980. BMJ Publishing Group 10.1136/bcr-2012-007980

Thommen, François; Hewer, Ekkehard; Schäfer, Stephan; Vassella, Erik; Kappeler, Andreas; Vajtai, Istvan (2013). Rosette-forming glioneuronal tumor of the cerebellum in statu nascendi: an incidentally detected diminutive example indicates derivation from the internal granule cell layer. Clinical neuropathology, 32(5), pp. 370-376. Dustri-Verlag 10.5414/NP300612

Vajtai, Istvan; Hewer, Ekkehard; Neuenschwander, Maja; Schäfer, Stephan; Kappeler, Andreas; Lukes, Anton (2013). Myoepithelioma of the cerebellopontine angle: a previously not documented benign salivary gland-type neoplasm within the cranium. Clinical neuropathology, 32(3), pp. 176-182. Dustri-Verlag 10.5414/NP300596


Guevara, Carlos; Seidel, Ulrich; Hewer, Ekkehard; Vajtai, Istvan (2012). Intraosseous traumatic neuroma of the lumbar spine: a previously unrecognized form of vertebral pseudotumor. Clinical neuropathology, 32(3), pp. 189-191. München-Deisenhofen: Dustri-Verlag 10.5414/NP300568

Vajtai, Istvan; Vassella, Erik; Hewer, Ekkehard; Kappeler, Andreas; Reinert, Michael M (2012). Sarcomatous evolution of oligodendroglioma ("oligosarcoma"): confirmatory report of an uncommon pattern of malignant progression in oligodendroglial tumors. Pathology, research and practice, 208(12), pp. 750-5. München: Elsevier 10.1016/j.prp.2012.09.009

Matter, Alexandra; Hewer, Ekkehard; Kappeler, Andreas; Fleischmann, Achim; Vajtai, Istvan (2012). Plexiform hybrid granular cell tumor/perineurioma: a novel variant of benign peripheral nerve sheath tumor with divergent differentiation. Pathology, research and practice, 208(5), pp. 310-4. München: Elsevier 10.1016/j.prp.2012.02.014

Vajtai, Istvan; Hewer, Ekkehard (2012). Atypical Histologic Features and Patterns of Malignant Evolution in Tanycytic Ependymoma. In: Hayat, M.A. (ed.) Tumors of the Central Nervous System 8 (pp. 321-329). Berlin-Heidelberg: Springer 10.1007/978-94-007-4213-0_32

Zipp, L; Schwartz, K M; Hewer, E; Yu, Y; Stippich, C; Slopis, J M (2012). Magnetic resonance imaging and computed tomography findings in pediatric giant cell glioblastoma. Clinical neuroradiology, 22(4), pp. 359-63. Heidelberg: Springer 10.1007/s00062-012-0130-9

Hewer, Ekkehard (2012). Corrigendum. Brain, 135(4), p. 1335. Oxford University Press 10.1093/brain/awr029


Vajtai, Istvan; Hewer, Ekkehard; Andres, Robert; Neuenschwander, Maja; Kappeler, Andreas; Gugger, Mathias (2011). Meningial perineurioma: a benign peripheral nerve sheath tumor in a previously unrecognized central nervous system location, mimicking meningioma. Pathology, research and practice, 207(9), pp. 592-6. München: Elsevier 10.1016/j.prp.2011.07.003

Vajtai, Istvan; Beck, Jürgen; Kappeler, Andreas; Hewer, Ekkehard (2011). Spindle cell oncocytoma of the pituitary gland with follicle-like component: organotypic differentiation to support its origin from folliculo-stellate cells. Acta neuropathologica, 122(2), pp. 253-8. Berlin: Springer 10.1007/s00401-011-0835-x

Häne, A.; Bargetzi, M.; Hewer, Ekkehard; Bruehlmeier, M.; Khamis, A.; Roelcke, U. (2011). Recurrent tumefactive demyelination without evidence of multiple sclerosis or brain tumour. Journal of neurology, 258(2), pp. 318-320. Springer-Medizin-Verlag 10.1007/s00415-010-5722-1


Polymenidou, Magdalini; Prokop, Stefan; Jung, Hans H.; Hewer, Ekkehard; Peretz, David; Moos, Rita; Tolnay, Markus; Aguzzi, Adriano (2010). Atypical Prion Protein Conformation in Familial Prion Disease with PRNP P105T Mutation. Brain pathology, 21(2), pp. 209-214. Blackwell 10.1111/j.1750-3639.2010.00439.x


Zerr, I.; Kallenberg, K.; Summers, D. M.; Romero, C.; Taratuto, A.; Heinemann, U.; Breithaupt, M.; Varges, D.; Meissner, B.; Ladogana, A.; Schuur, M.; Haik, S.; Collins, S. J.; Jansen, G. H.; Stokin, G. B.; Pimentel, J.; Hewer, Ekkehard; Collie, D.; Smith, P.; Roberts, H.; ... (2009). Updated clinical diagnostic criteria for sporadic Creutzfeldt-Jakob disease. Brain, 132(10), pp. 2659-2668. Oxford University Press 10.1093/brain/awp191

Kaffenberger, T.; Valko, P. O.; von Meyenburg, J.; Baráth, K.; Hewer, Ekkehard; Heppner, F. L.; Jagella, C. E.; Horst, A.; Siccoli, M. M. (2009). A case of late onset leukoencephalopathy with cerebral calcifications and cysts in a 59-year-old woman. European journal of neurology, 16(2), pp. 278-281. Blackwell Science 10.1111/j.1468-1331.2008.02392.x


Martin, Müller; Thomas, Treumann; Hewer, Ekkehard; Katharina, Stoeck (2008). Transcranial Ultrasound of the Basal Ganglia in Sporadic Creutzfeldt-Jakob Disease. Journal of neuroimaging, 18(2), pp. 154-157. Wiley 10.1111/j.1552-6569.2007.00227.x

Hewer, Ekkehard; Goebel, Hans H. (2008). Myopathology of non-infectious inflammatory myopathies – The current status. Pathology, research and practice, 204(9), pp. 609-623. Elsevier 10.1016/j.prp.2008.03.006

Huang, J.; Grotzer, M. A.; Watanabe, T.; Hewer, Ekkehard; Pietsch, T.; Rutkowski, S.; Ohgaki, H. (2008). Mutations in the Nijmegen Breakage Syndrome Gene in Medulloblastomas. Clinical cancer research, 14(13), pp. 4053-4058. Association for Cancer Research 10.1158/1078-0432.CCR-08-0098

Hewer, Ekkehard; Schoser, Benedikt G.; Danek, Adrian; Miranda, Marcelo; Reichard, Ross; Wada, Manabu; Castiglioni, Claudia; Oechsner, Matthias; Heppner, Frank L.; Jung, Hans H. (2008). McLeod myopathy revisted – More neurogenic and less benign. Clinical neurophysiology, 119(1), e16-e16. Elsevier 10.1016/j.clinph.2007.09.115


Hewer, Ekkehard; Danek, A.; Schoser, B. G.; Miranda, M.; Reichard, R.; Castiglioni, C.; Oechsner, M.; Goebel, H. H.; Heppner, F. L.; Jung, H. H. (2007). McLeod myopathy revisited: more neurogenic and less benign. Brain, 130(12), pp. 3285-3296. Oxford University Press 10.1093/brain/awm269


Collins, S J; Sanchez-Juan, P; Masters, C L; Klug, G M; van Duijn, C; Poleggi, A; Pocchiari, M; Almonti, S; Cuadrado-Corrales, N; de Pedro-Cuesta, J; Budka, H; Gelpi, E; Glatzel, M; Tolnay, M; Hewer, Ekkehard; Zerr, I; Heinemann, U; Kretszchmar, H A; Jansen, G H; Olsen, E; ... (2006). Determinants of diagnostic investigation sensitivities across the clinical spectrum of sporadic Creutzfeldt-Jakob disease. Brain, 129(Pt 9), pp. 2278-2287. Oxford University Press 10.1093/brain/awl159

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