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Ekkehard Hewer

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124 publications

In press | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2009 | 2008 | 2007 | 2006 |

In press

Characterization of Polarimetric Properties in Various Brain Tumor Types Using Wide-Field Imaging Mueller Polarimetry.

Gros R., Rodriguez-Nunez O., Felger L., Moriconi S., McKinley R., Pierangelo A., Novikova T., Vassella E., Schucht P., Hewer E. et al. IEEE transactions on medical imaging. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_1ADF9D0693D1]

Lymphoid enhancer-binding factor 1 (LEF1) immunostaining as a surrogate for β-catenin (CTNNB1) mutations.

Hewer E., Fischer P.D., Vassella E., Knabben L., Imboden S., Mueller M.D., Rau T.T., Dettmer M.S. Journal of clinical pathology. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_08ECC4068A99]

2025

PD-L1 expression in PitNETs: Correlations with the 2022 WHO classification.

Harel E., Hewer E., La Rosa S., Brouland J.P., Pitteloud N., Santoni F., Brunner M., Daniel R.T., Messerer M., Cossu G., 2025. Brain & spine, 5 p. 104171. Peer-reviewed.

[DOI][Pmid][serval:BIB_0CDD946F5851]

2024

Cytological features of ependymal and choroid plexus tumours.

Egervari K., Hewer E., 2024/09. Cytopathology, 35 (5) pp. 556-560. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_DD3D24F6B624]

Primary diffuse large B-cell lymphoma of the central nervous system identified with CSF biomarkers.

Loser V., Segot A., de Leval L., Bisig B., Brouland J.P., Hewer E., Barcena C., Hottinger A.F., Pot C., 2024/07/22. BMC neurology, 24 (1) p. 250. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_9D8A4D752094]

Estimation of light penetration depth in human brain tissue using Mueller polarimetric imaging: ex vivo study in formalin-fixed human cerebral white and gray matter

Zalevsky Zeev, Tuchin Valery V., Blondel Walter C. (eds.), 2024/06/19..

[DOI][serval:BIB_42572EB0CA0F]

Impact of histological processing on the polarimetric properties of healthy and neoplastic brain tissue

Zalevsky Zeev, Tuchin Valery V., Blondel Walter C. (eds.), 2024/06/18..

[DOI][serval:BIB_E0AD8E26008E]

Methylation-Based Characterization of a New IDH2 Mutation in Sinonasal Undifferentiated Carcinoma.

Burgermeister S., Stoykova S., Krebs F.S., Zoete V., Mbefo M., Egervari K., Reinhard A., Bisig B., Hewer E., 2024/06/13. International journal of molecular sciences, 25 (12). Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_FC381A964AFC]

Near-real-time Mueller polarimetric image processing for neurosurgical intervention.

Moriconi S., Rodríguez-Núñez O., Gros R., Felger L.A., Maragkou T., Hewer E., Pierangelo A., Novikova T., Schucht P., McKinley R., 2024/06. International journal of computer assisted radiology and surgery, 19 (6) pp. 1033-1043. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_3293FB474611]

EpiDiP/NanoDiP: a versatile unsupervised machine learning edge computing platform for epigenomic tumour diagnostics.

Hench J., Hultschig C., Brugger J., Mariani L., Guzman R., Soleman J., Leu S., Benton M., Stec I.M., Hench I.B. et al., 2024/04/04. Acta neuropathologica communications, 12 (1) p. 51. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_AFEC867AF260]

Intraoperative in vivo confocal laser endomicroscopy imaging at glioma margins: can we detect tumor infiltration?

Xu Y., Mathis A.M., Pollo B., Schlegel J., Maragkou T., Seidel K., Schucht P., Smith K.A., Porter R.W., Raabe A. et al., 2024/02/01. Journal of neurosurgery, 140 (2) pp. 357-366. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_3B7D96FB12F3]

Impact of template-based synoptic reporting on completeness of surgical pathology reports.

Schaad N., Berezowska S., Perren A., Hewer E., 2024/01. Virchows Archiv, 484 (1) pp. 31-36. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_5FCECB4B7318]

Intraoperative in vivo confocal endomicroscopy of the glioma margin: performance assessment of image interpretation by neurosurgeon users.

Xu Y., On T.J., Abramov I., Restelli F., Belykh E., Mathis A.M., Schlegel J., Hewer E., Pollo B., Maragkou T. et al., 2024. Frontiers in oncology, 14 p. 1389608. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_7E66EF2FB309]

2023

Expanding the p.(Arg85Trp) Variant-Specific Phenotype of HNF4A: Features of Glycogen Storage Disease, Liver Cirrhosis, Impaired Mitochondrial Function, and Glomerular Changes.

Grassi M., Laubscher B., Pandey A.V., Tschumi S., Graber F., Schaller A., Janner M., Aeberli D., Hewer E., Nuoffer J.M. et al., 2023/08. Molecular syndromology, 14 (4) pp. 347-361. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_4ED4D3318CEA]

Evaluation of MTAP and p16 immunohistochemical deficiency as surrogate marker for CDKN2A/B homozygous deletion in gliomas.

Maragkou T., Reinhard S., Jungo P., Pasquier B., Neuenschwander M., Schucht P., Vassella E., Hewer E., 2023/06. Pathology, 55 (4) pp. 466-477. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_EFBB413FD398]

Data from DNA Methylation Landscapes of Prostate Cancer Brain Metastasis Are Shaped by Early Driver Genetic Alterations

John Gallon, Antonio Rodriguez-Calero, Andrej Benjak, Dilara Akhoundova, Sina Maletti, Ursula Amstutz, Ekkehard Hewer, Vera Genitsch, Achim Fleischmann, Elisabeth J. Rushing et al., 2023/04/14..

[DOI][serval:BIB_440E0B461EC4]

Data from DNA Methylation Landscapes of Prostate Cancer Brain Metastasis Are Shaped by Early Driver Genetic Alterations

John Gallon, Antonio Rodriguez-Calero, Andrej Benjak, Dilara Akhoundova, Sina Maletti, Ursula Amstutz, Ekkehard Hewer, Vera Genitsch, Achim Fleischmann, Elisabeth J. Rushing et al., 2023/04/14..

[DOI][serval:BIB_61D1B93F29A0]

Data from DNA Methylation Landscapes of Prostate Cancer Brain Metastasis Are Shaped by Early Driver Genetic Alterations

John Gallon, Antonio Rodriguez-Calero, Andrej Benjak, Dilara Akhoundova, Sina Maletti, Ursula Amstutz, Ekkehard Hewer, Vera Genitsch, Achim Fleischmann, Elisabeth J. Rushing et al., 2023/04/14..

[DOI][serval:BIB_C0B71F3C6F45]

DNA Methylation Landscapes of Prostate Cancer Brain Metastasis Are Shaped by Early Driver Genetic Alterations.

Gallon J., Rodriguez-Calero A., Benjak A., Akhoundova D., Maletti S., Amstutz U., Hewer E., Genitsch V., Fleischmann A., Rushing E.J. et al., 2023/04/14. Cancer research, 83 (8) pp. 1203-1213. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_3F894888526D]

Supplementary Data from DNA Methylation Landscapes of Prostate Cancer Brain Metastasis Are Shaped by Early Driver Genetic Alterations

John Gallon, Antonio Rodriguez-Calero, Andrej Benjak, Dilara Akhoundova, Sina Maletti, Ursula Amstutz, Ekkehard Hewer, Vera Genitsch, Achim Fleischmann, Elisabeth J. Rushing et al., 2023/04/14..

[DOI][serval:BIB_025F6A72520C]

Effects of formalin fixation on polarimetric properties of brain tissue: fresh or fixed?

Gros R., Rodríguez-Núñez O., Felger L., Moriconi S., McKinley R., Pierangelo A., Novikova T., Vassella E., Schucht P., Hewer E. et al., 2023/04. Neurophotonics, 10 (2) p. 025009. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_A64AB7700ACB]

Code-free machine learning for classification of central nervous system histopathology images.

Jungo P., Hewer E., 2023/02/21. Journal of neuropathology and experimental neurology, 82 (3) pp. 221-230. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_E72186C9E68A]

2022

The LUMIERE dataset: Longitudinal Glioblastoma MRI with expert RANO evaluation.

Suter Y., Knecht U., Valenzuela W., Notter M., Hewer E., Schucht P., Wiest R., Reyes M., 2022/12/15. Scientific data, 9 (1) p. 768. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_CE0C6F84E147]

HHV8-negative primary effusion-based large B-cell lymphoma in a patient with chronic myeloid leukemia, BCR::ABL1-positive under dasatinib treatment: Report of a new case and literature review.

Christe L., Veloza L., Gros L., Bisig B., Blum S., Hewer E., de Leval L., 2022/12. Diagnostic cytopathology, 50 (12) pp. E351-E356. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_BFCAD836C568]

Neurodegenerative phagocytes mediate synaptic stripping in Neuro-HIV.

Di Liberto G., Egervari K., Kreutzfeldt M., Schürch C.M., Hewer E., Wagner I., Du Pasquier R., Merkler D., 2022/08/27. Brain, 145 (8) pp. 2730-2741. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_A366732309D6]

Quantitative Analysis of the MGMT Methylation Status of Glioblastomas in Light of the 2021 WHO Classification.

Häni L., Kopcic M., Branca M., Schütz A., Murek M., Söll N., Vassella E., Raabe A., Hewer E., Schucht P., 2022/06/27. Cancers, 14 (13) p. 3149. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_2182FADBAF84]

Alterations in homologous recombination repair genes in prostate cancer brain metastases.

Rodriguez-Calero A., Gallon J., Akhoundova D., Maletti S., Ferguson A., Cyrta J., Amstutz U., Garofoli A., Paradiso V., Tomlins S.A. et al., 2022/05/03. Nature communications, 13 (1) p. 2400. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_067B8F2489FA]

Endoscope-Assisted Extreme Lateral Supracerebellar Infratentorial Approach for Resection of Superior Cerebellar Peduncle Pilocytic Astrocytoma: Technical Note.

Papadimitriou K., Cossu G., Hewer E., Diezi M., Daniel R.T., Messerer M., 2022/04/29. Children, 9 (5) p. 640. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_24E8927A9291]

Lymphoid Enhancer-Binding Factor 1 (LEF1) immunostaining as a surrogate of β-Catenin (CTNNB1) mutations

Ekkehard H., Pascal F., Erik V., Laura K., Sara I., Mueller MD, Rau TT, Dettmer MS, 2022/04/02..

[URN][DOI][serval:BIB_2399BBFA10F7]

Erratum zu: Standardisierte strukturierte Befundberichte gastrointestinaler Tumoren.

Hewer E., Rump A., Langer R., 2022/02. Der Pathologe, 43 (1) pp. 63-64. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_C2D416F9AB08]

Oligosarcomas, IDH-mutant are distinct and aggressive.

Suwala A.K., Felix M., Friedel D., Stichel D., Schrimpf D., Hinz F., Hewer E., Schweizer L., Dohmen H., Pohl U. et al., 2022/02. Acta neuropathologica, 143 (2) pp. 263-281. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_C44C09A371E0]

Standardisierte strukturierte Befundberichte gastrointestinaler Tumoren [Standardized structured reports for gastrointestinal tumors]

Hewer E., Rump A., Langer R., 2022/02. Der Pathologe, 43 (1) pp. 57-62. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_D9C9D242D950]

Intraoperative confocal laser endomicroscopy for brain tumors - potential and challenges from a neuropathological perspective.

Maragkou T., Quint K., Pollo B., Hewer E., 2022/01. Free neuropathology, 3 pp. 3-24. Peer-reviewed.

[DOI][Pmid][serval:BIB_D99586FE030A]

Systematic Investigation of SARS-CoV-2 Receptor Protein Distribution along Viral Entry Routes in Humans.

Bräutigam K., Reinhard S., Galván J.A., Wartenberg M., Hewer E., Schürch C.M., 2022. Respiration; international review of thoracic diseases, 101 (6) pp. 610-618. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_13F142E3F61A]

Thanks to the Reviewers of <i>The Pathologist</i>

Hewer Ekkehard, 2022..

[DOI][WoS][serval:BIB_7D778CBC07D9]

2021

Co-Expression of Nogo-A in Dopaminergic Neurons of the Human Substantia Nigra Pars Compacta Is Reduced in Parkinson's Disease.

Eyer G.C., Di Santo S., Hewer E., Andereggen L., Seiler S., Widmer H.R., 2021/11/30. Cells, 10 (12) p. 3368. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_3C51E6BA58FF]

Polarimetric visualization of healthy brain fiber tracts under adverse conditions: ex vivo studies.

Rodríguez-Núñez O., Schucht P., Hewer E., Novikova T., Pierangelo A., 2021/10/01. Biomedical optics express, 12 (10) pp. 6674-6685. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_21D1103D3082]

Methylation profiling-based diagnosis of radiologically suspected congenital glioma.

Bräutigam K., Piechowiak E., Slavova N., Mosimann B., Merkler D., Egervari K., Hewer E., 2021/01. Brain tumor pathology, 38 (1) pp. 78-80. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_BF9477C2FC4A]

Retardance map of brain white matter: a potential game changer for the intra-operative navigation during brain tumor surgery

Hewer Ekkehard, 2021. dans Proceedings of SPIE - The International Society for Optical Engineering.

[DOI][WoS][serval:BIB_7E7D9CFC9CC1]

Utility of ISL1 in Pituitary Tumors.

Wartenberg Martin, Maragkou Theoni, Berezowska Sabina, Hewer Ekkehard, 2021., USCAP 110TH ANNUAL MEETING, MARCH 13-18, 2021 p. 1033 dans Laboratory Investigation.

[WoS][serval:BIB_024BD7D77044]

Utility of ISL1 in Pituitary Tumors.

Wartenberg Martin, Maragkou Theoni, Berezowska Sabina, Hewer Ekkehard, 2021., USCAP 110th Annual Meetings, March 13-18 2021 p. 1033 dans Modern Pathology.

[WoS][serval:BIB_921F46B2A286]

2020

Development of vascularized nerve scaffold using perfusion-decellularization and recellularization.

Wüthrich T., Lese I., Haberthür D., Zubler C., Hlushchuk R., Hewer E., Maistriaux L., Gianello P., Lengelé B., Rieben R. et al., 2020/12. Materials science & engineering. C, Materials for biological applications, 117 p. 111311. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_C37E1B223F94]

Myeloid Sarcoma Mimicking Endocarditis: An Autopsy Case

Bräutigam Konstantin, Hohl Anja, Hewer Ekkehard, Langer Rupert, Jakob Stephan, 2020/10. International Journal of Surgical Pathology, 28 (7) pp. 774-774. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_C6FA31F6F1D6]

Radiomics for glioblastoma survival analysis in pre-operative MRI: exploring feature robustness, class boundaries, and machine learning techniques.

Suter Y., Knecht U., Alão M., Valenzuela W., Hewer E., Schucht P., Wiest R., Reyes M., 2020/08/05. Cancer imaging, 20 (1) p. 55. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_DC44CF703F3C]

Seminal vesicle carcinoma presenting with malignant ascites.

Hewer E., Banz Y., Knecht U., Dettmer M.S., Vassella E., 2020/08. Diagnostic cytopathology, 48 (8) pp. 785-786. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_0FB67236A541]

Lipidised urothelial carcinoma in pleural effusion-A case report.

Saganas C., Hewer E., 2020/06. Diagnostic cytopathology, 48 (6) pp. 589-590. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_84468DF1CC73]

Detection of rare reciprocal RUNX1 rearrangements by next-generation sequencing in acute myeloid leukemia.

Flach J., Shumilov E., Joncourt R., Porret N., Tchinda J., Legros M., Scarpelli I., Hewer E., Novak U., Schoumans J. et al., 2020/04. Genes, chromosomes & cancer, 59 (4) pp. 268-274. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_EC558447CA4C]

TERT Promoter Mutation Analysis to Distinguish Glioma From Gliosis.

Hewer E., Phour J., Gutt-Will M., Schucht P., Dettmer M.S., Vassella E., 2020/04/01. Journal of neuropathology and experimental neurology, 79 (4) pp. 430-436. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_DDF00F806161]

Plaque vulnerability in patients with high- and moderate-grade carotid stenosis - comparison of plaque features on MRI with histopathological findings.

Tapis P., El-Koussy M., Hewer E., Mono M.L., Reinert M., 2020/02/10. Swiss medical weekly, 150 pp. w20174. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_CC112B0D14AE]

Isomorphic diffuse glioma is a morphologically and molecularly distinct tumour entity with recurrent gene fusions of MYBL1 or MYB and a benign disease course.

Wefers A.K., Stichel D., Schrimpf D., Coras R., Pages M., Tauziède-Espariat A., Varlet P., Schwarz D., Söylemezoglu F., Pohl U. et al., 2020/01. Acta neuropathologica, 139 (1) pp. 193-209. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_0D8D34517983]

Molecular Heterogeneity within Brain Metastatic Prostate Cancer: A Multicenter Study of 50 Patients

Rodriguez Antonio, Sanoyan Dilara Akhoundova, Ferguson Alison, Maletti Sina, Selimovic-Hamza Senija, Comoglio Federico, Bruggmann Remy, Hewer Ekkehard, Genitsch Vera, Fleischmann Achim et al., 2020., 109th Annual Meeting of the United-States-and-Canadian-Academy-of-Pathology (USCAP), FEB 29-MAR 05, 2020 pp. 961-962 dans Modern Pathology.

[WoS][serval:BIB_E7F7A0FB6F3D]

Molecular Heterogeneity within Brain Metastatic Prostate Cancer: A Multicenter Study of 50 Patients.

[WoS][serval:BIB_4E0FCEB1BF27]

The Oncologist's Guide to Synoptic Reporting: A Primer.

Hewer E., 2020. Oncology, 98 (6) pp. 396-402. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_E223E24740D5]

Ultrafast Toluidine Blue Staining for Rapid On-Site Evaluation of Cytological Smears

Hewer Ekkehard, Schmitt Anja M., 2020. Acta Cytologica, 64 (4) pp. 375-377. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_2B5FAF70C31F]

Visualization of White Matter Fiber Tracts of Brain Tissue Sections with Wide-field Imaging Mueller Polarimetry

Schucht Philippe, Lee Hee Ryung, Mezouar Mohammed Hachem, Hewer Ekkehard, Raabe Andreas, Murek Michael, Zubak Irena, Goldberg Johannes, Kovari Eniko, Pierangelo Angelo et al., 2020. IEEE Transactions on Medical Imaging pp. 1-1. Peer-reviewed.

[DOI][Pmid][serval:BIB_B6F8B2970459]

2019

Zytologie des Pankreas – Morphologie und Zusatzmarker [Pancreatic cytology-morphology and ancillary markers]

Hewer E., 2019/12. Der Pathologe, 40 (Suppl 3) pp. 311-315. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_D957500DDA71]

Frequent Diagnostic Under-Grading in Isocitrate Dehydrogenase Wild-Type Gliomas due to Small Pathological Tissue Samples.

Gutt-Will M., Murek M., Schwarz C., Hewer E., Vulcu S., Beck J., Raabe A., Schucht P., 2019/11/01. Neurosurgery, 85 (5) pp. 689-694. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_1DF2FD48D033]

Tumors diagnosed as cerebellar glioblastoma comprise distinct molecular entities.

Reinhardt A., Stichel D., Schrimpf D., Koelsche C., Wefers A.K., Ebrahimi A., Sievers P., Huang K., Casalini M.B., Fernández-Klett F. et al., 2019/10/28. Acta neuropathologica communications, 7 (1) p. 163. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_C246069A68BB]

VLA-4 mediated adhesion of melanoma cells on the blood-brain barrier is the critical cue for melanoma cell intercalation and barrier disruption.

García-Martín A.B., Zwicky P., Gruber T., Matti C., Moalli F., Stein J.V., Francisco D., Enzmann G., Levesque M.P., Hewer E. et al., 2019/10. Journal of cerebral blood flow and metabolism, 39 (10) pp. 1995-2010. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_EE6F7DC01F05]

Ex vivo performance comparison of three percutaneous biopsy needle systems.

Krokidis M., Hungerbühler M., Hewer E., Heverhagen J., von Tengg-Kobligk H., 2019/08. European radiology, 29 (8) pp. 4044-4049. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_CDB67CD727D0]

Langerhans cell histiocytosis with initial central nervous system presentation as a mimic of neurosarcoidosis

Friedrichs-Maeder Cecilia, Friedli Christoph, Kuchen Stefan, Wiest Roland, Hewer Ekkehard, Rovó Alicia, Chan Andrew, 2019/07/01. Clinical and Translational Neuroscience, 3 (2) pp. 2514183X1987506. Peer-reviewed.

[DOI][serval:BIB_9C6315A0AAC3]

Hypophyse und Nebenniere

Trepp Roman, Hewer Ekkehard, Perren Aurel, 2019. pp. 137-141 dans Springer-Lehrbuch, Springer Berlin Heidelberg.

[DOI][serval:BIB_1D7B37558C1D]

Langerhans Cell Histiocytosis of the Adult Cervical Spine: A Case Report and Literature Review.

Schär R.T., Hewer E., Ulrich C.T., 2019/01. Journal of neurological surgery. Part A, Central European neurosurgery, 80 (1) pp. 49-52. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_F3F0121C27B8]

2018

Advancing synoptic cancer reports beyond English: the University of Bern/PathoLink approach.

Banz Y., Berezowska S., de Leval L., Rubbia-Brandt L., Tolnay M., Moch H., Perren A., Hewer E., 2018/11. Virchows Archiv, 473 (5) pp. 655-656. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_00309D29514D]

Anaplastic astrocytoma with piloid features, a novel molecular class of IDH wildtype glioma with recurrent MAPK pathway, CDKN2A/B and ATRX alterations.

Reinhardt A., Stichel D., Schrimpf D., Sahm F., Korshunov A., Reuss D.E., Koelsche C., Huang K., Wefers A.K., Hovestadt V. et al., 2018/08. Acta neuropathologica, 136 (2) pp. 273-291. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_A446E01E7E4F]

Esophageal Cytology: A Tale of Shish Kebab and Roman Legionaries.

Neppl C., Friedli B., Hewer E., 2018/07. Gastroenterology, 155 (1) pp. e14-e15. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_A526A2E97B76]

Implementation of a 'lean' cytopathology service: towards routine same-day reporting.

Hewer E., Hammer C., Fricke-Vetsch D., Baumann C., Perren A., Schmitt A.M., 2018/05. Journal of clinical pathology, 71 (5) pp. 395-401. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_140EBCB386EB]

DNA methylation-based classification of central nervous system tumours.

Capper D., Jones DTW, Sill M., Hovestadt V., Schrimpf D., Sturm D., Koelsche C., Sahm F., Chavez L., Reuss D.E. et al., 2018/03/22. Nature, 555 (7697) pp. 469-474. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_CD8414201DBE]

Digitalisation of diagnostic histopathology slides: a comparative study and internal survey on perception toward the digital future.

Unternaehrer J., Reinhard S., Waldburger T., Hewer E., Zlobec I., 2018. pp. S19 dans Virchows Archiv.

[WoS][serval:BIB_C47C79C344AA]

H3K27me3 immunostaining for sex determination in the context of presumed tissue misidentification.

Tschui J., Hewer E., 2018/01. Histopathology, 72 (2) pp. 358-359. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_F436AA7CB573]

Non-Mendelian Causes of Temporal Lobe Epilepsy

Krestel H., Jaggi R., Keller I., Jagella C., Hewer E., Hench J., Mariani L., Lemke J., Lunter G., Meier J., 2018., 3th European Congress on Epileptology, AUG 26-30, 2018 pp. S316 dans Epilepsia.

[WoS][serval:BIB_C67D9BDC41DD]

2017

Diagnostic implications of TERT promoter mutation status in diffuse gliomas in a routine clinical setting.

Hewer E., Prebil N., Berezowska S., Gutt-Will M., Schucht P., Dettmer M.S., Vassella E., 2017/11. Virchows Archiv, 471 (5) pp. 641-649. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_C62DE86B4200]

Low co-expression of epidermal growth factor receptor and its chaperone heat shock protein 90 is associated with worse prognosis in primary glioblastoma, IDH-wild-type.

Sartori E., Langer R., Vassella E., Hewer E., Schucht P., Zlobec I., Berezowska S., 2017/10. Oncology reports, 38 (4) pp. 2394-2400. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_0FF76A277B99]

Fatal Outcome of European Tick-borne Encephalitis after Vaccine Failure.

Sendi P., Hirzel C., Pfister S., Ackermann-Gäumann R., Grandgirard D., Hewer E., Nirkko A.C., 2017. Frontiers in neurology, 8 p. 119. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_45A40E7F3CA0]

Predictors of long-term outcome in diffuse gliomas

Hewer E., Prebil N., Vassella E., Schucht P., 2017. pp. S46 dans Virchows Archiv.

[WoS][serval:BIB_31A4FF953564]

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.

Brügger F., Dettmer M.S., Neuenschwander M., Perren A., Marinoni I., Hewer E., 2017/01/01. Journal of neuropathology and experimental neurology, 76 (1) pp. 61-66. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_D763C6DC25B1]

The "don't eat me" signal CD47 is a novel diagnostic biomarker and potential therapeutic target for diffuse malignant mesothelioma.

Schürch C.M., Forster S., Brühl F., Yang S.H., Felley-Bosco E., Hewer E., 2017. Oncoimmunology, 7 (1) pp. e1373235. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_75AF1E00C5BD]

2016

Granulomatous encephalitis: protothecosis excluded?

Hench J., Roschanski N., Hewer E., Rösler U., Lass-Flörl C., Stippich C., Tolnay M., Rusche N., Sonderegger B., Sailer M. et al., 2016/12. Histopathology, 69 (6) pp. 1082-1084. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_3870E573BA1D]

Two adult cases of massively calcified low-grade glioma: expanding clinical spectrum of an emerging entity.

Hewer E., Knecht U., Ulrich C.T., 2016/10. Neuropathology, 36 (5) pp. 508-509. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_7DB4383BE6DA]

Diskogenic microspurs as a major cause of intractable spontaneous intracranial hypotension.

Beck J., Ulrich C.T., Fung C., Fichtner J., Seidel K., Fiechter M., Hsieh K., Murek M., Bervini D., Meier N. et al., 2016/09/20. Neurology, 87 (12) pp. 1220-1226. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_59A5032CC85B]

Adult anaplastic pilocytic astrocytoma - a diagnostic challenge? A case series and literature review.

Fiechter M., Hewer E., Knecht U., Wiest R., Beck J., Raabe A., Oertel M.F., 2016/08. Clinical neurology and neurosurgery, 147 pp. 98-104. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_CBCA193AE11F]

HG-68 Combined Alterations in Mapk Pathway Genes, Cdkn2a/B and Atrx Characterize Anaplastic Pilocytic Astrocytoma

Kratz Annekathrin, Sahm Felix, Schrimpf Daniel, Jones David T., Reuß David, Kölsche Christian, Huang Kristin, Wefers Annika K., Hovestadt Volker, Gramatzki Dorothee et al., 2016/06., 17th International Symposium on Pediatric Neuro-Oncology (ISPNO), June 12 - 15, 2016 pp. iii63.2-iii63 dans Neuro-Oncology.

[DOI][serval:BIB_4B74E9E41FC7]

Reply: Does morphological assessment have a role in classifying oligoastrocytoma as 'oligodendroglial' versus 'astrocytic'? Or - who's afraid of the … liger?

Hewer E., Dettmer M.S., Vajtai I., 2016/06. Histopathology, 68 (7) pp. 1115-1117. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_464BBE9FD9D7]

Combined Alterations in Mapk Pathway Genes, Cdkn2a/B and Atrx Characterize Anaplastic Pilocytic Astrocytoma.

Kratz Annekathrin, Sahm Felix, Schrimpf Daniel, Jones David T., Reuss David, Koelsche Christian, Huang Kristin, Wefers Annika K., Hovestadt Volker, Gramatzki Dorothee et al., 2016., 17th International Symposium on Pediatric Neuro-Oncology (ISPNO), JUN 12-15, 2016 p. 63 dans Neuro-Oncology.

[WoS][serval:BIB_39F0331B9967]

Combined ATRX/IDH1 immunohistochemistry predicts genotype of oligoastrocytomas.

Hewer E., Vajtai I., Dettmer M.S., Berezowska S., Vassella E., 2016/01. Histopathology, 68 (2) pp. 272-278. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_69C5BF3C1DAA]

Diagnostic under-grading in IDH wildtype gliomas due to small pathological tissue samples

Gutt-Will M., Murek M., Schwarz C., Hewer E., Vulcu S., Beck J., Raabe A., Schucht P., 2016. pp. 9S dans Swiss Medical Weekly.

[WoS][serval:BIB_D86B5CBF0F2C]

Implemenation of a "Lean" Cytopathology Service - Towards Routine Same-Day Reporting

Hewer Ekkehard, Schmitt Anja M., 2016., 105th Annual Meeting of the United-States-and-Canadian-Academy-of-Pathology, MAR 12-18, 2016 pp. 495A dans Laboratory Investigation.

[WoS][serval:BIB_E7EA37D3FD2E]

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.

Hewer E., Beck J., Kellner-Weldon F., Vajtai I., 2015/07. Human pathology, 46 (7) pp. 1045-1049. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_D7387C16D2FC]

Molecular Classification of Ependymal Tumors across All CNS Compartments, Histopathological Grades, and Age Groups.

Pajtler K.W., Witt H., Sill M., Jones D.T., Hovestadt V., Kratochwil F., Wani K., Tatevossian R., Punchihewa C., Johann P. et al., 2015/05/11. Cancer cell, 27 (5) pp. 728-743. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_2C8FE69EB561]

Melanotic tumors of the nervous system are characterized by distinct mutational, chromosomal and epigenomic profiles.

Koelsche C., Hovestadt V., Jones D.T., Capper D., Sturm D., Sahm F., Schrimpf D., Adeberg S., Böhmer K., Hagenlocher C. et al., 2015/03. Brain pathology, 25 (2) pp. 202-208. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_167B4D81615D]

Complete pain relief after bevacizumab in a patient with neurofibromatosis type 2.

Kollár A., Hewer E., Kellner-Weldon F., Ochsenbein A., 2015/02. Acta oncologica, 54 (2) pp. 280-283. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_08295897FFDA]

Absence of the alternative lengthening of telomeres phenotype and low prevalence of TERT promoter mutations in ependymal tumours

Hewer Ekkehard, 2015. Virchows Archiv.

[WoS][serval:BIB_9650142823E1]

Consistent nuclear expression of thyroid transcription factor 1 in subependymal giant cell astrocytomas suggests lineage-restricted histogenesis.

Hewer E., Vajtai I., 2015. Clinical neuropathology, 34 (3) pp. 128-131. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_731D92ACB5DC]

Glioma-like proliferation in a cortical hamartoma of tuberous sclerosis complex.

Hewer E., Mariani L., Vajtai I., 2015/01. Brain tumor pathology, 32 (1) pp. 76-78. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_C1305EB10793]

2014

Multiple cerebral lesions in a 60-year-old female patient with a history of liver transplantation.

Hewer E., Kellner-Weldon F., Abu-Isa J., Schmitt A.M., 2014/08. Neuropathology, 34 (4) pp. 425-427. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_1753624256C8]

Polymorphous oligodendroglioma of Zülch revisited: a genetically heterogeneous group of anaplastic gliomas including tumors of bona fide oligodendroglial differentiation.

Hewer E., Beck J., Murek M., Kappeler A., Vassella E., Vajtai I., 2014/08. Neuropathology, 34 (4) pp. 323-332. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_08D44BC9ADC2]

Desmoplastic small round cell tumor: a rare cause of a progressive brachial plexopathy.

Mathys J., Vajtai I., Vögelin E., Zimmermann D.R., Ozdoba C., Hewer E., 2014/06. Muscle & nerve, 49 (6) pp. 922-927. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_41816A8615DF]

Anaplastic oligodendroglioma arising from the brain stem and featuring 1p/19q co-deletion.

Hewer E., Beck J., Vassella E., Vajtai I., 2014/02. Neuropathology, 34 (1) pp. 32-38. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_A51580D78AE5]

ATRX and LOH 1p19q status in oligoastrocytomas.

Hewer E., Berezowska S., Vassella E., 2014. pp. S42 dans Virchows Archiv.

[WoS][serval:BIB_3C46A6B939E7]

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".

Hewer E., Genitsch V., Schäfer S.C., Vajtai I., 2013/07. Pathology, research and practice, 209 (7) pp. 467-468. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_7492B747D910]

"Leiomyomatoid angiomatous neuroendocrine tumor" (LANT) of the pituitary reflects idiosyncratic angiogenesis in adenomas of the gonadotroph cell lineage.

Schürch C., Birrer M., Estella I., Kappeler A., Hewer E., Vajtai I., 2013/03. Pathology, research and practice, 209 (3) pp. 155-160. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_EA202FD22352]

Delayed diagnosis of cryptococcal meningoencephalitis due to negative cryptococcal antigen test.

Kessler B., Bally F., Hewer E., Sendi P., 2013/01/29. BMJ case reports, 2013. Peer-reviewed.

[DOI][Pmid][serval:BIB_5FD968B9FB9C]

Early re-do surgery for glioblastoma is a feasible and safe strategy to achieve complete resection of enhancing tumor.

Schucht P., Murek M., Jilch A., Seidel K., Hewer E., Wiest R., Raabe A., Beck J., 2013. PloS one, 8 (11) pp. e79846. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_E91796B65ACD]

Intraosseous traumatic neuroma of the lumbar spine: a previously unrecognized form of vertebral pseudotumor.

Guevara C., Seidel U., Hewer E., Vajtai I., 2013. Clinical neuropathology, 32 (3) pp. 189-191. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_FEAF5618BDA0]

Myoepithelioma of the cerebellopontine angle: a previously not documented benign salivary gland-type neoplasm within the cranium.

Vajtai I., Hewer E., Neuenschwander M., Schäfer S.C., Kappeler A., Lukes A., 2013. Clinical neuropathology, 32 (3) pp. 176-182. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_603A3C1185BB]

Rosette-forming glioneuronal tumor of the cerebellum in statu nascendi: an incidentally detected diminutive example indicates derivation from the internal granule cell layer.

Thommen F, Hewer E, Schäfer SC, Vassella E, Kappeler A, Vajtai I, 2013. Clinical Neuropathology, 32 (5) pp. 370-6. Peer-reviewed.

[DOI][Pmid][serval:BIB_6CA7F467F0ED]

2012

Sarcomatous evolution of oligodendroglioma ("oligosarcoma"): confirmatory report of an uncommon pattern of malignant progression in oligodendroglial tumors.

Vajtai I., Vassella E., Hewer E., Kappeler A., Reinert M.M., 2012/12/15. Pathology, research and practice, 208 (12) pp. 750-755. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_2529B43A80A5]

Magnetic resonance imaging and computed tomography findings in pediatric giant cell glioblastoma.

Zipp L., Schwartz K.M., Hewer E., Yu Y., Stippich C., Slopis J.M., 2012/12. Clinical neuroradiology, 22 (4) pp. 359-363. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_07AC94B5AFEB]

Plexiform hybrid granular cell tumor/perineurioma: a novel variant of benign peripheral nerve sheath tumor with divergent differentiation.

Matter A., Hewer E., Kappeler A., Fleischmann A., Vajtai I., 2012/05/15. Pathology, research and practice, 208 (5) pp. 310-314. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_8F30275B7CB0]

Corrigendum

Hewer Ekkehard, 2012/04/01..

[DOI][WoS][serval:BIB_2E0C21E1A847]

Atypical Histologic Features and Patterns of Malignant Evolution in Tanycytic Ependymoma

Vajtai Istvan, Hewer Ekkehard, 2012. pp. 321-329 dans Tumors of the Central Nervous System, Volume 8, Springer Netherlands.

[DOI][serval:BIB_1552651EE8C5]

2011

Spindle cell oncocytoma of the pituitary gland with follicle-like component: organotypic differentiation to support its origin from folliculo-stellate cells.

Vajtai I., Beck J., Kappeler A., Hewer E., 2011/08. Acta neuropathologica, 122 (2) pp. 253-258. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_39186F3A7EB8]

Atypical prion protein conformation in familial prion disease with PRNP P105T mutation.

Polymenidou M., Prokop S., Jung H.H., Hewer E., Peretz D., Moos R., Tolnay M., Aguzzi A., 2011/03. Brain pathology, 21 (2) pp. 209-214. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_16A28671434F]

Recurrent tumefactive demyelination without evidence of multiple sclerosis or brain tumour.

Häne A., Bargetzi M., Hewer E., Bruehlmeier M., Khamis A., Roelcke U., 2011/02. Journal of neurology, 258 (2) pp. 318-320. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_E7A226C7C0EB]

Meningial perineurioma: A benign peripheral nerve sheath tumor in a previously unrecognized central nervous system location, mimicking meningioma

Hewer Ekkehard, 2011. Pathology Research and Practice, 207 (9) pp. 592-6. Peer-reviewed.

[DOI][serval:BIB_83AD7D82D9FC]

2009

Updated clinical diagnostic criteria for sporadic Creutzfeldt-Jakob disease.

Zerr I., Kallenberg K., Summers D.M., Romero C., Taratuto A., Heinemann U., Breithaupt M., Varges D., Meissner B., Ladogana A. et al., 2009/10. Brain, 132 (Pt 10) pp. 2659-2668. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_F7E292891E81]

A case of late onset leukoencephalopathy with cerebral calcifications and cysts in a 59-year-old woman.

Kaffenberger T., Valko P.O., von Meyenburg J., Baráth K., Hewer E., Heppner F.L., Jagella C.E., Horst A., Siccoli M.M., 2009/02. European journal of neurology, 16 (2) pp. 278-281. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_412484B10E42]

2008

Mutations in the Nijmegen breakage syndrome gene in medulloblastomas.

Huang J., Grotzer M.A., Watanabe T., Hewer E., Pietsch T., Rutkowski S., Ohgaki H., 2008/07/01. Clinical cancer research, 14 (13) pp. 4053-4058. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_4AD5082F1092]

Transcranial ultrasound of the basal ganglia in sporadic Creutzfeldt-Jakob disease.

Martin M., Thomas T., Ekkehard H., Katharina S., 2008/04. Journal of neuroimaging, 18 (2) pp. 154-157. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_BB95361983DB]

Extrajunctional nicotinic acetylcholine receptors are a direct and specific marker of skeletal muscle denervation.

Hewer E., Goebel HH, 2008., 53rd Annual Meeting of the German-Society-of-Neuropathology-and-Neuroanatomy, OCT 09-11, 2008 p. 346 dans Acta Neuropathologica.

[WoS][serval:BIB_CE77BB3D7E6C]

McLeod myopathy revisted – More neurogenic and less benign

Hewer Ekkehard, Schoser Benedikt G., Danek Adrian, Miranda Marcelo, Reichard Ross, Wada Manabu, Castiglioni Claudia, Oechsner Matthias, Heppner Frank L., Jung Hans H., 2008/01. Clinical Neurophysiology, 119 (1) pp. e16.

[DOI][serval:BIB_37A0ECC3F40F]

Myopathology of non-infectious inflammatory myopathies - the current status.

Hewer E., Goebel H.H., 2008. Pathology, research and practice, 204 (9) pp. 609-623. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_176FFA460838]

2007

McLeod myopathy revisited: more neurogenic and less benign.

Hewer E., Danek A., Schoser B.G., Miranda M., Reichard R., Castiglioni C., Oechsner M., Goebel H.H., Heppner F.L., Jung H.H., 2007/12. Brain, 130 (Pt 12) pp. 3285-3296. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_116A673D14EB]

2006

Determinants of diagnostic investigation sensitivities across the clinical spectrum of sporadic Creutzfeldt-Jakob disease.

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. et al., 2006/09. Brain, 129 (Pt 9) pp. 2278-2287. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_AB4DB700697C]

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