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2. JS01.3.A EPIGENETICALLY DEFINED ANGIOCENTRIC GLIOMAS MAY LACK ANGIOCENTRIC GROWTH AND INSTEAD SHOW A VARIETY OF GROWTH PATTERNS

Author

Stegat, L, primary, Rohwer, J L, additional, Stichel, D, additional, Schrimpf, D, additional, Coras, R, additional, Pagès, M, additional, Tauziède-Espariat, A, additional, Varlet, P, additional, Hans, V H, additional, Meyer, J, additional, Schittenhelm, J, additional, Staszewski, O, additional, Cheesman, E, additional, Glatzel, M, additional, Schmid, S, additional, Wesseling, P, additional, Korshunov, A, additional, Sexton-Oates, A, additional, Schüller, U, additional, Kõrgvee, L, additional, Mueller, S, additional, Olar, A, additional, Snuderl, M, additional, Schweizer, L, additional, Aronica, E, additional, Sahm, F, additional, von Deimling, A, additional, Blumcke, I, additional, Jones, D T W, additional, Capper, D, additional, and Wefers, A K, additional

Published
2023
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4. MO-0552 Adult intracranial ependymoma - the role of DNA methylation in radiotherapeutic treatment decisions

Author

Kaul, D., primary, Schweizer, L., additional, Pérez, E., additional, Schmid, S., additional, Dittmayer, C., additional, Ichimura, K., additional, Schüller, U., additional, Dührsen, L., additional, Müther, M., additional, Paulus, W., additional, Thomas, C., additional, Gutt-Will, M., additional, Schucht, P., additional, Maragkou, T., additional, Schittenhelm, J., additional, Eckert, F., additional, Niyazi, M., additional, Fleischmann, D., additional, Dorostkar, M., additional, May, S., additional, Walter, J., additional, Ehret, F., additional, David, C., additional, and Träger, M., additional

Published
2023
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9. Distribution of the immunohistochemical expression of BAP1 in meningiomas

Author

Behling, F, Fodi, C, Skardelly, M, Schittenhelm, J, Honegger, JB, Tabatabai, G, Tatagiba, M, and Beschorner, R

Subjects
ddc: 610, Medicine and health, nervous system diseases
Abstract

Objective: Meningiomas are mostly benign tumors arising from the arachnoid cap cells. However, prognostic assessment is important to identify cases with a tendency for a more aggressive behavior. The loss of the breast cancer (BRCA)1-associated protein-1 tumor suppressor gene (BAP1) has recently been [for full text, please go to the a.m. URL]

Published
2022
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14. Integrated Molecular-Morphologic Meningioma Classification: A Multicenter Retrospective Analysis, Retrospectively and Prospectively Validated

Author

Maas, SLN, Stichel, D, Hielscher, T, Sievers, P, Berghoff, AS, Schrimpf, D, Sill, M, Euskirchen, P, Blume, C, Patel, A, Dogan, H, Reuss, D, Dohmen, H, Stein, M, Reinhardt, A, Suwala, AK, Wefers, AK, Baumgarten, P, Ricklefs, F, Rushing, EJ, Bewerunge-Hudler, M, Ketter, R, Schittenhelm, J, Jaunmuktane, Z, Leu, S, Greenway, FEA, Bridges, LR, Jones, T, Grady, C, Serrano, J, Golfinos, J, Sen, C, Mawrin, C, Jungk, C, Hänggi, D, Westphal, M, Lamszus, K, Etminan, N, Jungwirth, G, Herold-Mende, C, Unterberg, A, Harter, PN, Wirsching, H-G, Neidert, MC, Ratliff, M, Platten, M, Snuderl, M, Aldape, KD, Brandner, S, Hench, J, Frank, S, Pfister, SM, Jones, DTW, Reifenberger, G, Acker, T, Wick, W, Weller, M, Preusser, M, von Deimling, A, Sahm, F, and German Consortium on Aggressive Meningiomas (KAM)

Abstract

PURPOSE: Meningiomas are the most frequent primary intracranial tumors. Patient outcome varies widely from benign to highly aggressive, ultimately fatal courses. Reliable identification of risk of progression for individual patients is of pivotal importance. However, only biomarkers for highly aggressive tumors are established (CDKN2A/B and TERT), whereas no molecularly based stratification exists for the broad spectrum of patients with low- and intermediate-risk meningioma. METHODS: DNA methylation data and copy-number information were generated for 3,031 meningiomas (2,868 patients), and mutation data for 858 samples. DNA methylation subgroups, copy-number variations (CNVs), mutations, and WHO grading were analyzed. Prediction power for outcome was assessed in a retrospective cohort of 514 patients, validated on a retrospective cohort of 184, and on a prospective cohort of 287 multicenter cases. RESULTS: Both CNV- and methylation family-based subgrouping independently resulted in increased prediction accuracy of risk of recurrence compared with the WHO classification (c-indexes WHO 2016, CNV, and methylation family 0.699, 0.706, and 0.721, respectively). Merging all risk stratification approaches into an integrated molecular-morphologic score resulted in further substantial increase in accuracy (c-index 0.744). This integrated score consistently provided superior accuracy in all three cohorts, significantly outperforming WHO grading (c-index difference P = .005). Besides the overall stratification advantage, the integrated score separates more precisely for risk of progression at the diagnostically challenging interface of WHO grade 1 and grade 2 tumors (hazard ratio 4.34 [2.48-7.57] and 3.34 [1.28-8.72] retrospective and prospective validation cohorts, respectively). CONCLUSION: Merging these layers of histologic and molecular data into an integrated, three-tiered score significantly improves the precision in meningioma stratification. Implementation into diagnostic routine informs clinical decision making for patients with meningioma on the basis of robust outcome prediction.

Published
2021

23. DNA methylation profiling to predict recurrence risk in meningioma: development and validation of a nomogram to optimize clinical management

Author

Nassiri F., Mamatjan Y., Suppiah S., Badhiwala J. H., Mansouri S., Karimi S., Saarela O., Poisson L., Gepfner-Tuma I., Schittenhelm J., Ng H. -K., Noushmehr H., Harter P., Baumgarten P., Weller M., Preusser M., Herold-Mende C., Tatagiba M., Tabatabai G., Sahm F., Von Deimling A., Aldape K., Au K., Barnhartz-Sloan J., Bi W. L., Brastianos P. K., Butowski N., Carlotti C., Cusimano M. D., Dimeco F., Drummond K., Dunn I. F., Galanis E., Giannini C., Goldbrunner R., Griffith B., Hashizume R., Hanemann C. O., Horbinski C., Huang R. Y., James D., Jenkinson M. D., Jungk C., Kaufman T. J., Krischek B., Lachance D., Lafougere C., Lee I., Liu J. C., Malta T. M., Mawrin C., McDermott M., Munoz D., Perry A., Pirouzmand F., Poisson L. M., Pollo B., Raleigh D., Saladino A., Santarius T., Schichor C., Schultz D., Schmidt N. O., Selman W., Sloan A., Spears J., Snyder J., Tirapelli D., Tonn J. C., Tsang D., Vogelbaum M. A., Wen P. Y., Walbert T., Westphal M., Workewych A. M., Zadeh G., Aldape K. D., Nassiri F., Mamatjan Y., Suppiah S., Badhiwala J.H., Mansouri S., Karimi S., Saarela O., Poisson L., Gepfner-Tuma I., Schittenhelm J., Ng H.-K., Noushmehr H., Harter P., Baumgarten P., Weller M., Preusser M., Herold-Mende C., Tatagiba M., Tabatabai G., Sahm F., Von Deimling A., Aldape K., Au K., Barnhartz-Sloan J., Bi W.L., Brastianos P.K., Butowski N., Carlotti C., Cusimano M.D., Dimeco F., Drummond K., Dunn I.F., Galanis E., Giannini C., Goldbrunner R., Griffith B., Hashizume R., Hanemann C.O., Horbinski C., Huang R.Y., James D., Jenkinson M.D., Jungk C., Kaufman T.J., Krischek B., Lachance D., Lafougere C., Lee I., Liu J.C., Malta T.M., Mawrin C., McDermott M., Munoz D., Perry A., Pirouzmand F., Poisson L.M., Pollo B., Raleigh D., Saladino A., Santarius T., Schichor C., Schultz D., Schmidt N.O., Selman W., Sloan A., Spears J., Snyder J., Tirapelli D., Tonn J.C., Tsang D., Vogelbaum M.A., Wen P.Y., Walbert T., Westphal M., Workewych A.M., Zadeh G., and Aldape K.D.

Subjects
Oncology, Cancer Research, medicine.medical_specialty, recurrence, predictor, ESTUDOS DE VALIDAÇÃO, Meningioma, nomogram, Internal medicine, medicine, Biomarkers, Tumor, Meningeal Neoplasms, Humans, Survival rate, Retrospective Studies, Oncotype DX Breast Cancer Assay, business.industry, Hazard ratio, Cancer, Disease Management, Retrospective cohort study, Nomogram, DNA Methylation, medicine.disease, Prognosis, Gene Expression Regulation, Neoplastic, Survival Rate, Clinical research, Basic and Translational Investigations, Neurology (clinical), methylation, Neoplasm Recurrence, Local, business, Follow-Up Studies
Abstract

Background Variability in standard-of-care classifications precludes accurate predictions of early tumor recurrence for individual patients with meningioma, limiting the appropriate selection of patients who would benefit from adjuvant radiotherapy to delay recurrence. We aimed to develop an individualized prediction model of early recurrence risk combining clinical and molecular factors in meningioma. Methods DNA methylation profiles of clinically annotated tumor samples across multiple institutions were used to develop a methylome model of 5-year recurrence-free survival (RFS). Subsequently, a 5-year meningioma recurrence score was generated using a nomogram that integrated the methylome model with established prognostic clinical factors. Performance of both models was evaluated and compared with standard-of-care models using multiple independent cohorts. Results The methylome-based predictor of 5-year RFS performed favorably compared with a grade-based predictor when tested using the 3 validation cohorts (ΔAUC = 0.10, 95% CI: 0.03–0.018) and was independently associated with RFS after adjusting for histopathologic grade, extent of resection, and burden of copy number alterations (hazard ratio 3.6, 95% CI: 1.8–7.2, P < 0.001). A nomogram combining the methylome predictor with clinical factors demonstrated greater discrimination than a nomogram using clinical factors alone in 2 independent validation cohorts (ΔAUC = 0.25, 95% CI: 0.22–0.27) and resulted in 2 groups with distinct recurrence patterns (hazard ratio 7.7, 95% CI: 5.3–11.1, P < 0.001) with clinical implications. Conclusions The models developed and validated in this study provide important prognostic information not captured by previously established clinical and molecular factors which could be used to individualize decisions regarding postoperative therapeutic interventions, in particular whether to treat patients with adjuvant radiotherapy versus observation alone.

Published
2019

25. The prognostic role of H3K27 trimethylation in meningioma

Author

Behling, F, Fodi, CK, Gepfner-Tuma, I, Machetanz, K, Kaltenbacher, K, Renovanz, M, Skardelly, M, Tatagiba, M, Tabatabai, G, and Schittenhelm, J

Subjects
ddc: 610, fungi, 610 Medical sciences, Medicine
Abstract

Objective: The prognostic role of the histone methylation H3K27 in meningioma has been described recently and is currently examined in several cancer types. The methylation can be detected immunohistochemically and is potentially integrable into daily neuropathology practice to provide prognostic information[for full text, please go to the a.m. URL], 71. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), 9. Joint Meeting mit der Japanischen Gesellschaft für Neurochirurgie

Published
2020
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26. Clear cell meningiomas are defined by a highly distinct DNA methylation profile and mutations in SMARCE1

Author

Sievers, P., Sill, M., Blume, C., Tauziede-Espariat, A., Schrimpf, D., Stichel, D., Reuss, D.E., Dogan, H., Hartmann, C., Mawrin, C., Hasselblatt, M., Stummer, W., Schick, U., Hench, J., Frank, S., Ketter, R., Schweizer, L., Schittenhelm, J., Puget, S., Brandner, S., Jaunmuktane, Z., Kusters, B., Abdullaev, Z., Pekmezci, M., Snuderl, M., Ratliff, M., Herold-Mende, C., Unterberg, A., Aldape, K., Ellison, D.W., Wesseling, P., Reifenberger, G., Wick, W., Perry, A., Varlet, P., Pfister, S.M., Jones, D.T.W., Deimling, A. von, Sahm, F., Sievers, P., Sill, M., Blume, C., Tauziede-Espariat, A., Schrimpf, D., Stichel, D., Reuss, D.E., Dogan, H., Hartmann, C., Mawrin, C., Hasselblatt, M., Stummer, W., Schick, U., Hench, J., Frank, S., Ketter, R., Schweizer, L., Schittenhelm, J., Puget, S., Brandner, S., Jaunmuktane, Z., Kusters, B., Abdullaev, Z., Pekmezci, M., Snuderl, M., Ratliff, M., Herold-Mende, C., Unterberg, A., Aldape, K., Ellison, D.W., Wesseling, P., Reifenberger, G., Wick, W., Perry, A., Varlet, P., Pfister, S.M., Jones, D.T.W., Deimling, A. von, and Sahm, F.

Abstract

Contains fulltext : 232881.pdf (Publisher’s version ) (Open Access), Clear cell meningioma represents an uncommon variant of meningioma that typically affects children and young adults. Although an enrichment of loss-of-function mutations in the SMARCE1 gene has been reported for this subtype, comprehensive molecular investigations are lacking. Here we describe a molecularly distinct subset of tumors (n = 31), initially identified through genome-wide DNA methylation screening among a cohort of 3093 meningiomas, of which most were diagnosed histologically as clear cell meningioma. This cohort was further supplemented by an additional 11 histologically diagnosed clear cell meningiomas for analysis (n = 42). Targeted DNA sequencing revealed SMARCE1 mutations in 33/34 analyzed samples, accompanied by a nuclear loss of expression determined via immunohistochemistry and a decreased SMARCE1 transcript expression in the tumor cells. Analysis of time to progression or recurrence of patients within the clear cell meningioma group (n = 14) in comparison to those with meningioma WHO grade 2 (n = 220) revealed a similar outcome and support the assignment of WHO grade 2 to these tumors. Our findings indicate the existence of a highly distinct epigenetic signature of clear cell meningiomas, separate from all other variants of meningiomas, with recurrent mutations in the SMARCE1 gene. This suggests that these tumors may arise from a different precursor cell population than the broad spectrum of the other meningioma subtypes.

Published
2021

29. Sarcoma classification by DNA methylation profiling

Author

Koelsche, C, Schrimpf, D, Stichel, D, Sill, M, Sahm, F, Reuss, DE, Blattner, M, Worst, B, Heilig, CE, Beck, K, Horak, P, Kreutzfeldt, S, Paff, E, Stark, S, Johann, P, Selt, F, Ecker, J, Sturm, D, Pajtler, K W, Reinhardt, A, Wefers, AK, Sievers, P, Ebrahimi, A, Suwala, A, Fernandez-Klett, F, Casalini, B, Korshunov, A, Hovestadt, V, Kommoss, FKF, Kriegsmann, M, Schick, M, Bewerunge-Hudler, M, Milde, T, Witt, O, Kulozik, AE, Kool, M, Romero-Perez, L, Grunewald, TGP, Kirchner, T, Wick, W, Platten, M, Unterberg, A, Uhl, M, Abdollahi, A, Debus, J, Lehner, B, Thomas, C, Hasselblatt, M, Paulus, W, Hartmann, C, Staszewski, O, Prinz, M, Hench, J, Frank, S, Versleijen-Jonkers, YMH, Weidema, ME, Mentzel, T, Griewank, K, Alava, E, Martin, JD, Gastearena, MAI, Chang, KTE, Low, SYY, Cuevas-Bourdier, A, Mittelbronn, M, Mynarek, M, Rutkowski, S, Schuller, U, Mautner, VF, Schittenhelm, J, Serrano, J, Snuderl, M, Buttner, R, Klingebiel, T, Buslei, R, Gessler, M, Wesseling, P, Dinjens, Winand, Brandner, S, Jaunmuktane, Z, Lyskjaer, I, Schirmacher, P, Stenzinger, A, Brors, B, Glimm, H, Heining, C, Tirado, OM, Sainz-Jaspeado, M, Mora, J, Alonso, J, del Muro, XG, Moran, S, Esteller, M, Benhamida, JK, Ladanyi, M, Wardelmann, E, Antonescu, C, Flanagan, A, Dirksen, U, Hohenberger, P, Baumhoer, D, Hartmann, W, Vokuhl, C, Flucke, U, Petersen, I, Mechtersheimer, G, Capper, D, Jones, DT, Frohling, S, Pfister, SM, von Deimling, A, Koelsche, C, Schrimpf, D, Stichel, D, Sill, M, Sahm, F, Reuss, DE, Blattner, M, Worst, B, Heilig, CE, Beck, K, Horak, P, Kreutzfeldt, S, Paff, E, Stark, S, Johann, P, Selt, F, Ecker, J, Sturm, D, Pajtler, K W, Reinhardt, A, Wefers, AK, Sievers, P, Ebrahimi, A, Suwala, A, Fernandez-Klett, F, Casalini, B, Korshunov, A, Hovestadt, V, Kommoss, FKF, Kriegsmann, M, Schick, M, Bewerunge-Hudler, M, Milde, T, Witt, O, Kulozik, AE, Kool, M, Romero-Perez, L, Grunewald, TGP, Kirchner, T, Wick, W, Platten, M, Unterberg, A, Uhl, M, Abdollahi, A, Debus, J, Lehner, B, Thomas, C, Hasselblatt, M, Paulus, W, Hartmann, C, Staszewski, O, Prinz, M, Hench, J, Frank, S, Versleijen-Jonkers, YMH, Weidema, ME, Mentzel, T, Griewank, K, Alava, E, Martin, JD, Gastearena, MAI, Chang, KTE, Low, SYY, Cuevas-Bourdier, A, Mittelbronn, M, Mynarek, M, Rutkowski, S, Schuller, U, Mautner, VF, Schittenhelm, J, Serrano, J, Snuderl, M, Buttner, R, Klingebiel, T, Buslei, R, Gessler, M, Wesseling, P, Dinjens, Winand, Brandner, S, Jaunmuktane, Z, Lyskjaer, I, Schirmacher, P, Stenzinger, A, Brors, B, Glimm, H, Heining, C, Tirado, OM, Sainz-Jaspeado, M, Mora, J, Alonso, J, del Muro, XG, Moran, S, Esteller, M, Benhamida, JK, Ladanyi, M, Wardelmann, E, Antonescu, C, Flanagan, A, Dirksen, U, Hohenberger, P, Baumhoer, D, Hartmann, W, Vokuhl, C, Flucke, U, Petersen, I, Mechtersheimer, G, Capper, D, Jones, DT, Frohling, S, Pfister, SM, and von Deimling, A

Abstract

Sarcomas are malignant soft tissue and bone tumours affecting adults, adolescents and children. They represent a morphologically heterogeneous class of tumours and some entities lack defining histopathological features. Therefore, the diagnosis of sarcomas is burdened with a high inter-observer variability and misclassification rate. Here, we demonstrate classification of soft tissue and bone tumours using a machine learning classifier algorithm based on array-generated DNA methylation data. This sarcoma classifier is trained using a dataset of 1077 methylation profiles from comprehensively pre-characterized cases comprising 62 tumour methylation classes constituting a broad range of soft tissue and bone sarcoma subtypes across the entire age spectrum. The performance is validated in a cohort of 428 sarcomatous tumours, of which 322 cases were classified by the sarcoma classifier. Our results demonstrate the potential of the DNA methylation-based sarcoma classification for research and future diagnostic applications.

Published
2021

40. Proliferation and tumour expansion are associated with COX2 expression but not with ASA intake

Author

Behling, F, Ries, V, Skardelly, M, Gepfner-Tuma, I, Schuhmann, M, Ebner, F, Tabatabai, G, Schittenhelm, J, Bornemann, A, and Tatagiba, M

Subjects
ddc: 610, 610 Medical sciences, Medicine
Abstract

Ziel: Die Einnahme von ASS wird als antiproliferative Maßnahme bei Vestiblarisschwannomen empfohlen. Es liegen jedoch widersprüchliche Ergebnisse retrospektiver Studien vor. Der hemmende Effekt wird auf die Wirkung auf die cyclooxygenase 2 (COX2) zurückgeführt. Der proliferative [for full text, please go to the a.m. URL], 70. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), Joint Meeting mit der Skandinavischen Gesellschaft für Neurochirurgie

Published
2019
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44. Expression difference of somatostatin receptors 1-5 in meningiomas

Author

Behling, F, Fodi, CK, Gepfner-Tuma, I, Machetanz, K, Skardelly, M, Renovanz, M, Kaltenbacher, K, La Fougere, C, Honegger, J, Tabatabai, G, Tatagiba, M, Schittenhelm, J, Behling, F, Fodi, CK, Gepfner-Tuma, I, Machetanz, K, Skardelly, M, Renovanz, M, Kaltenbacher, K, La Fougere, C, Honegger, J, Tabatabai, G, Tatagiba, M, and Schittenhelm, J

Published
2020

46. Diffuse glioneuronal tumour with oligodendroglioma-like features and nuclear clusters (DGONC) - a molecularly defined glioneuronal CNS tumour class displaying recurrent monosomy 14

Author

Deng, M. Y., Sill, M., Sturm, D., Stichel, D., Witt, H., Ecker, J., Wittmann, A., Schittenhelm, J., Ebinger, M., Schuhmann, M. U., Figarella-Branger, D., Aronica, E., Staszewski, O., Preusser, M., Haberler, C., Lauten, M., Schueller, U., Hartmann, C., Snuderl, M., Dunham, C., Jabado, N., Wesseling, P., Deckert, M., Keyvani, K., Gottardo, N., Giangaspero, F., von Hoff, K., Ellison, D. W., Pietsch, T., Herold-Mende, C., Milde, T., Witt, O., Kool, M., Korshunov, A., Wick, W., von Deimling, A., Pfister, S. M., Jones, D. T. W., Sahm, F., Deng, M. Y., Sill, M., Sturm, D., Stichel, D., Witt, H., Ecker, J., Wittmann, A., Schittenhelm, J., Ebinger, M., Schuhmann, M. U., Figarella-Branger, D., Aronica, E., Staszewski, O., Preusser, M., Haberler, C., Lauten, M., Schueller, U., Hartmann, C., Snuderl, M., Dunham, C., Jabado, N., Wesseling, P., Deckert, M., Keyvani, K., Gottardo, N., Giangaspero, F., von Hoff, K., Ellison, D. W., Pietsch, T., Herold-Mende, C., Milde, T., Witt, O., Kool, M., Korshunov, A., Wick, W., von Deimling, A., Pfister, S. M., Jones, D. T. W., and Sahm, F.

Abstract

Aims DNA methylation-based central nervous system (CNS) tumour classification has identified numerous molecularly distinct tumour types, and clinically relevant subgroups among known CNS tumour entities that were previously thought to represent homogeneous diseases. Our study aimed at characterizing a novel, molecularly defined variant of glioneuronal CNS tumour. Patients and methods DNA methylation profiling was performed using the Infinium MethylationEPIC or 450 k BeadChip arrays (Illumina) and analysed using the 'conumee' package in R computing environment. Additional gene panel sequencing was also performed. Tumour samples were collected at the German Cancer Research Centre (DKFZ) and provided by multinational collaborators. Histological sections were also collected and independently reviewed. Results Genome-wide DNA methylation data from >25 000 CNS tumours were screened for clusters separated from established DNA methylation classes, revealing a novel group comprising 31 tumours, mainly found in paediatric patients. This DNA methylation-defined variant of low-grade CNS tumours with glioneuronal differentiation displays recurrent monosomy 14, nuclear clusters within a morphology that is otherwise reminiscent of oligodendroglioma and other established entities with clear cell histology, and a lack of genetic alterations commonly observed in other (paediatric) glioneuronal entities. Conclusions DNA methylation-based tumour classification is an objective method of assessing tumour origins, which may aid in diagnosis, especially for atypical cases. With increasing sample size, methylation analysis allows for the identification of rare, putative new tumour entities, which are currently not recognized by the WHO classification. Our study revealed the existence of a DNA methylation-defined class of low-grade glioneuronal tumours with recurrent monosomy 14, oligodendroglioma-like features and nuclear clusters.

Published
2020

48. Diffuse glioneuronal tumour with oligodendroglioma‐like features and nuclear clusters (DGONC) – a molecularly defined glioneuronal CNS tumour class displaying recurrent monosomy 14

Author

Deng, M. Y., primary, Sill, M., additional, Sturm, D., additional, Stichel, D., additional, Witt, H., additional, Ecker, J., additional, Wittmann, A., additional, Schittenhelm, J., additional, Ebinger, M., additional, Schuhmann, M. U., additional, Figarella‐Branger, D., additional, Aronica, E., additional, Staszewski, O., additional, Preusser, M., additional, Haberler, C., additional, Lauten, M., additional, Schüller, U., additional, Hartmann, C., additional, Snuderl, M., additional, Dunham, C., additional, Jabado, N., additional, Wesseling, P., additional, Deckert, M., additional, Keyvani, K., additional, Gottardo, N., additional, Giangaspero, F., additional, Hoff, K., additional, Ellison, D. W., additional, Pietsch, T., additional, Herold-Mende, C., additional, Milde, T., additional, Witt, O., additional, Kool, M., additional, Korshunov, A., additional, Wick, W., additional, Deimling, A., additional, Pfister, S. M., additional, Jones, D. T. W., additional, and Sahm, F., additional

Published
2020
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49. SSTR expression in corticotroph pituitary adenomas

Author

Behling, F, Schittenhelm, J, Skardelly, M, Tatagiba, M, and Honegger, J

Subjects
ddc: 610, 610 Medical sciences, Medicine
Abstract

Objective: Pituitary-dependent Cushing's disease has a severe impact on the affected patient's health with a reduction of life expectancy if left untreated. Successful microsurgical resection potentially cures the patient. However, treatment of recurrent cases can be challenging. Besides repeat[for full text, please go to the a.m. URL], 69. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), Joint Meeting mit der Mexikanischen und Kolumbianischen Gesellschaft für Neurochirurgie

Published
2018
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50. The role of resection in primary glioblastoma – revisited

Author

Skardelly, M, Kaltenstadler, M, Behling, F, Noell, S, Gepfner-Tuma, I, Schittenhelm, J, Bender, B, Paulsen, F, von Hehn, U, Renovanz, M, Gempt, J, Barz, M, Meyer, B, Tabatabai, G, and Tatagiba, M

Subjects
ddc: 610, 610 Medical sciences, Medicine
Abstract

Objective: In primary glioblastoma (GBM) the role of resection is well established. However, different thresholds for a supposed clinical benefit have been published ranging from about 70% to total resection. We compared parametric and non-parametric models to investigate the nature of relationship[for full text, please go to the a.m. URL], 69. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), Joint Meeting mit der Mexikanischen und Kolumbianischen Gesellschaft für Neurochirurgie

Published
2018
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