Geert Janssens

Associate Professor - medical

Strategic program(s):

Contact

gjansse3@umcutrecht.nl

Pure profile

Research groups

Pediatric radiation oncology

Research aim

To optimize radiotherapy in pediatric renal tumors (Wilms), neuroblastomas, and high-grade gliomas To better understand side effects from radiotherapy To reduce inequalities in radiotherapeutic care across SIOP Europe affliliated countries.

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Recent publications

All publications

European practice on neurovascular late effects after pediatric radiotherapy Laura Toussaint, Louise Tram Henriksen, Karen Van Beek, Stephanie Bolle, Charlotte Demoor-Goldschmidt, Jenny Gains, Morten Høyer, Geert O Janssens, Rolf-Dieter Kortmann, Catia Martins Pedro, Beate Timmermann, Katrin Scheinemann, Yasmin Lassen-Ramshad
Acta Oncologica, 2025, vol. 64, p.703-707

Deep learning-based auto-contouring of organs/structures-at-risk for pediatric upper abdominal radiotherapy Mianyong Ding, Matteo Maspero, Annemieke S Littooij, Martine van Grotel, Raquel Davila Fajardo, Max M van Noesel, Marry M van den Heuvel-Eibrink, Geert O Janssens
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 2025, vol. 208

Gross tumor volume increase and need for adaptive radiotherapy in pediatric-type diffuse high-grade glioma of the midline structures Fasco van Ommen, Toon van Genechten, Mirjam E Willemsen-Bosman, Max Peters, Enrica Seravalli, Jasper van der Lugt, Rutger A J Nievelstein, Sabine Mueller, Esther Hulleman, Dannis G van Vuurden, Mariette E G Kranendonk, Eelco W Hoving, Bianca A W Hoeben, Geert O Janssens
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 2025, vol. 207

BMI trajectories in the first 3 months after childhood craniopharyngioma resection Sanne C Hulsmann, Eelco Hoving, Boudewijn Bakker, G O Janssens, Jiska van Schaik, E de Vos-Kerkhof, Wje Tissing, H M van Santen
Endocrine connections, 2025, vol. 14

Cyclophosphamide is not associated with clinically relevant late pulmonary dysfunction in Dutch survivors of childhood cancer - the DCCSS-LATER 2 PULM sub-study R J van Kalsbeek, E A M Feijen, D Bresters, L C M Kremer, S M F Pluijm, O A Asogwa, E van Dulmen-den Broeder, M M van den Heuvel-Eibrink, G O Janssens, W J Tissing, J J Loonen, S J C M M Neggers, H J H van der Pal, C M Ronckers, J C Teepen, A C H de Vries, M Louwerens, M van der Heiden-van der Loo, S M P J Prevaes, A B Versluys
Respiratory Medicine, 2025, vol. 237

European standard clinical practice recommendations for paediatric high-grade gliomas Elwira Szychot, Géraldine Giraud, Darren Hargrave, Dannis van Vuurden, Jacques Grill, Veronica Biassoni, Maura Massimo, André O. Von Büren, Rejin Kebudi, Maria João Gil-da-Costa, Sophie Veldhuijzen van Zanten, Simon Bailey, Michael Karremann, Stephanie Bolle, Thankamma Ajithkumar, Mechthild Krause, Yasmin Lassen-Ramshad, Geert Janssens, Giovanni Morana, Ulrike Löbel, Shivaram Avula, Brigitte Bison, Maarten Lequin, Kristian Aquilina, Ulrich Thomale, Pelle Nilsson, Sami Bui Quy Abu Hamdeh, Torsten Pietsch, Pascale Varlet, Thomas S. Jacques, Pieter Wesseling, David Jones, Uri Tabori, Anirban Das, David Mulligan, Francesca Kozmann, Christof M. Kramm
EJC Paediatric Oncology, 2025, vol. 5