Johannes Albertus Langendijk

Search results

• 2022

  A federated learning IT-infrastructure to support the Dutch model-based approach for proton therapy

  Kalendralis, P., Sloep, M., Snel, J., George, N. M., Veening, M., Van der Schaaf, A., Langendijk, J. A., Dekker, A., Van Soest, J. & Fijten, R., May-2022, In: Radiotherapy and Oncology. 170, p. S471-S473 3 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Big data prediction models to select head and neck patients for personalized dose prescription

  van Dijk, L. V., Ahmed, S., Mohammed, A. S. R., Wahid, K., Sijtsema, N. M., Gunn, B., Garden, A. S., Langendijk, J. A. & Fuller, C. D., May-2022, In: Radiotherapy and Oncology. 170, p. S668-S670 3 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Centralized proton therapy for medulloblastoma; an evaluation of the care infrastructure.

  Nauta, J. F., Maduro, J., Bannink-Gawryszuk, A., Bosma, I., Bromberg, J., Enting, R., Fock, A., Heesters, M., Hoeben, B., Hooimeijer, L., Hoving, E., Janssens, G., Jeltema, H., Matysiak, W., Molenbuur, B., Nuver, J., Plasschaert, S., Tissing, W., van der Salm, N. & van Rij, C. & 4 others, de Vos, F., Walenkamp, A., Langendijk, H. & van der Weide, H., May-2022, In: Radiotherapy and Oncology. 170, p. S34-S35 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Clinical gains through log file based automated patient specific QA in Proton Therapy

  Guterres Marmitt, G., Pin, A., Free, J., Langendijk, J. A. & Both, S., May-2022, In: Radiotherapy and Oncology. 170, p. S791-S792 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Daily dose evaluation based on synthetic CTs: accuracy of dose and complication risk assessment

  Hamming, V., Langendijk, J. A., Both, S., Sijtsema, N. M. & Maduro, J., May-2022, In: Radiotherapy and Oncology. 170, p. S333-S334 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Deep learning based 4D synthetic CTs for daily proton dose calculations in lung cancer patients

  Thummerer, A., Seller Oria, C., Zaffino, P., Veldman, K., Meijers, A., Seco, J., Wijsman, R., Langendijk, J., Knopf, A., Spadea, M. F. & Both, S., May-2022, In: Radiotherapy and Oncology. 170, S1, p. S1380-S1381 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Deep Learning Based 4D Synthetic CTs Generated From CBCTs for Proton Dose Calculations in Adaptive Proton Therapy

  Thummerer, A., Seller Oria, C., Visser, S., Zaffino, P., Meijers, A., Wijsman, R., Guterres Marmitt, G., Seco, J., Langendijk, J., Knopf, A., Spadea, M. & Both, S., Jun-2022, In: Medical Physics. 49, 6, p. e166 1 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Durvalumab increases the risk of radiation pneumonitis in non-small-cell lung cancer patients

  Stoffers, R., Niezink, A. G., Chouvalova, O., van der Leest, A. H., Ubbels, J. F., Woltman-van Iersel, M., Langendijk, J. A. & Wijsman, R., May-2022, In: Radiotherapy and Oncology. 170, p. S323-S324 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• External Validation of NTCP-models for Acute Coronary Events after Breast Cancer Radiotherapy

  Spoor, D., van Leeuwen, F., Russell, N., Boekel, N., Jacob, S., Combs, S., Borm, K., Vliegenthart, R., Sikkema, G., Sijtsema, M., van der Schaaf, A., Maduro, J., Langendijk, H., Schuit, E. & Crijns, A., May-2022, In: Radiotherapy and Oncology. 170, p. S722-S723 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• External validation of osteoradionecrosis NTCP models in head and neck cancer patients

  den Haan, N., van Dijk, S., van den Bosch, L., van Zon-Meijer, T., van den Hoek, A., Steenbakkers, R., Verbeek, H., Oldehinkel, E., van der Schaaf, A., van der Laan, H. P. & Langendijk, H., May-2022, In: Radiotherapy and Oncology. 170, p. S216-S217 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• First clinical experiences in treating oesophageal cancer with intensity-modulated proton therapy

  Visser, S., Ribeiro, C. O., Dieters, M., Mul, V. E., Niezink, A., Knopf, A., Langendijk, J. A., Korevaar, E. W., Both, S. & Muijs, C. T., May-2022, In: Radiotherapy and Oncology. 170, p. S839-S841 3 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Flat panel proton radiography with a patient specific imaging field for accurate WEPL assessment

  Seller Oria, C., Free, J., Guterres Marmitt, G., Knaeusl, B., Brandenburg, S., Knopf, A. C., Meijers, A., Langendijk, J. A. & Both, S., May-2022, In: Radiotherapy and Oncology. 170, p. S544-S546 4 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Influence of manual segmentation in DIR on accumulated dose evaluation for cervical cancer

  Gort, E., Beukema, J. C., Spijkerman-Bergsma, M. J., de Vries-de Groot, M. L., Both, S., Langendijk, J. A., Matysiak, W. P. & Brouwer, C. L., May-2022, In: Radiotherapy and Oncology. 170, p. S335-S337 4 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Introduction of IMPT for NSCLC patients: the learning curve in practice

  Wijsman, R., Chouvalova, O., Klinker, P., Niezink, A., van der Leest, A., Ubbels, F., Woltman-van Iersel, M., Both, S., Korevaar, E. & Langendijk, J., May-2022, In: Radiotherapy and Oncology. 170, S1, p. S601-S602 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• No need for manual adjustments of deep learning segmentation in oropharyngeal cancer?

  van de Glind, H., van Bruggen, I. G., Langendijk, J. A., Both, S. & Brouwer, C. L., May-2022, In: Radiotherapy and Oncology. 170, p. S474-S475 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Prioritising toxicities in NTCP-TCP-based treatment plan optimisation

  van der Laan, H. P., van der Schaaf, A., Van den Bosch, L., Korevaar, E., Both, S. & Langendijk, J., May-2022, In: Radiotherapy and Oncology. 170, p. S101-S102 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Proton arc therapy with optimized settings reduces toxicity for head and neck cancer patients

  de Jong, B. A., Battinelli, C., Engwall, E., Janssens, G., Langendijk, J. A., Korevaar, E. W. & Both, S., May-2022, In: Radiotherapy and Oncology. 170, p. S397-S398 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Radiotherapy for Ledderhose disease: a randomised, double-blind, phase III trial (NCT03507010)

  de Haan, A., van Nes, J. G., van der Toorn, P., Westenberg, A. H., Kolff, M. W., van der Laan, H. P., Werker, P. M., Langendijk, J. A. & Steenbakkers, R. J., May-2022, In: Radiotherapy and Oncology. 170, p. S752-S752 1 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Reduced tube feeding dependence by continuous improvements in head and neck radiotherapy

  Van den Bosch, L., van der Laan, H. P., van der Schaaf, A., van den Hoek, J. G., Oldehinkel, E., Meijer, T. W., Verbeek, H. H., Steenbakkers, R. J. & Langendijk, J. A., May-2022, In: Radiotherapy and Oncology. 170, p. S62-S63 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Simple strategy to select head and neck cancer patients for adaptive radiotherapy in the first week

  Gan, Y., Langendijk, J. A., van der Schaaf, A., van den Bosch, L., Oldehinkel, E., Lin, Z., Both, S. & Brouwer, C. L., May-2022, In: Radiotherapy and Oncology. 170, p. S425-S426 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Slice-by-slice deep learning aided oropharyngeal cancer segmentation on PET and CT images

  De Biase, A., Sijtsema, N. M., Langendijk, J. A., van Dijk, L. V. & van Ooijen, P. M., May-2022, In: Radiotherapy and Oncology. 170, p. S1392-S1394 4 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Trade-off in lung and heart dose and the impact on target robustness in VMAT of oesophageal cancer

  Visser, S., Schol, M., Klinker, P., Dieters, M., Mul, V. E., Langendijk, J. A., Korevaar, E. W., Both, S. & Muijs, C. T., May-2022, In: Radiotherapy and Oncology. 170, p. S1664-S1665

  Research output: Contribution to journal › Meeting Abstract › Academic
• 2021

  A method for proton pencil beam scanning treatment fraction and course integrity QA

  Marmitt, G. G., Pin, A., Hengeveld, A., Ribeiro, C. O., Langendijk, J. A. & Both, S., Aug-2021, In: Radiotherapy and Oncology. 161, p. S1431-S1432 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• A multivariable prediction model for severe toxicity after chemoradiation for esophageal cancer

  Muijs, C., Oldehinkel, E., Pattipeiluhu, A., Niezink, A. G., Mul, V. E., Dieters, M., Etten, V. B., Schaaf, V. D. A. & Langendijk, J. A., Aug-2021, In: Radiotherapy and Oncology. 161, p. S379-S380 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• A novel semi auto-segmentation method for head and neck adaptive radiotherapy

  Gan, Y., Langendijk, J. A., Oldehinkel, E., Scandurra, D., Sijtsema, N., Lin, Z., Both, S. & Brouwer, C., Aug-2021, In: Radiotherapy and Oncology. 161, p. S1412-S1414 4 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Automated plan quality assessment tool for head and neck cancer VMAT plans

  van Bruggen, I., de Ronde, E., Steenbakkers, R., van den Hoek, A., van Zon-Meijer, T., Oldehinkel, E., Langendijk, J., Kierkels, R., Both, S. & Korevaar, E., Aug-2021, In: Radiotherapy and Oncology. 161, p. S1427-S1428 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Course and Trajectories of Fear of Cancer Recurrence in Patients with Newly-diagnosed Head and Neck Cancer: a Longitudinal Study

  Deuning-Smit, H. A. E., Custers, J. A. E., Mirosevic, S., Takes, R. P., Jansen, F., Langendijk, J. A., Terhaard, C. H. J., Baatenburg-de Jong, R. J., Leemans, C. R., Brakenhoff, R. H., Smit, J. H., Verdonck-de Leeuw, I. M. & Prins, J. B., Jun-2021, In: International Journal of Behavioral Medicine. 28, SUPPL 1, p. S125-S126 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Current practice for selection of adult patients for proton therapy across Europe

  Tambas, M., van der Laan, H. P., Steenbakkers, R., Doyen, J., Timmermann, B., Orlandi, E., Hoyer, M., Haustermans, K., Georg, P., Burnet, N. G., Kirkby, K., Gregoire, V., Calugaru, V., Troost, E. G., Hoebers, F., Calvo, F. A., Widder, J., Eberle, F., van Vulpen, M. & Maingon, P. & 5 others, Skora, T., Weber, D. C., Bergfeldt, K., Kubes, J. & Langendijk, J. A., Aug-2021, In: Radiotherapy and Oncology. 161, p. S240-S241 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Deep learning predicts survival for early stage NSCLC patients treated with SBRT

  Zheng, S., Guo, J., Langendijk, J., Both, S., Veldhuis, R., Oudkerk, M., van Ooijen, P., Wijsman, R. & Sijtsema, N., Aug-2021, In: Radiotherapy and Oncology. 161, p. S375-S376 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• External validation of photon-derived NTCP models for acute toxicity in head and neck proton therapy

  Van den Bosch, L., van der Schaaf, A., van der Laan, H. P., van den Hoek, J. G., Meijer, T. W., Oldehinkel, E., Steenbakkers, R. J. & Langendijk, J. A., Aug-2021, In: Radiotherapy and Oncology. 161, p. S606-S607 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Fraction Delta NTCP calculation using automatic 4D accumulated dose in IMPT for thoracic indications

  Hengeveld, A. C., Ribeiro, C. O., Meijers, A., Muijs, C. T., Crijns, A., Niezink, A., Wijsman, R., Langendijk, J. A., Both, S. & Marmitt, G. G., Aug-2021, In: Radiotherapy and Oncology. 161, p. S1276-S1278 3 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Impact of sarcopenia on acute radiotherapy-induced toxicity in head and neck cancer patients

  Karavolia, E., van Rijn-Dekker, M. I., Van den Bosch, L., van den Hoek, J. G., Oldehinkel, E., Meijer, T. W., Langendijk, J. A. & Steenbakkers, R. J., Aug-2021, In: Radiotherapy and Oncology. 161, p. S605-S606 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Implementation of direct quality of life guided treatment plan optimisation

  van der Schaaf, A., van der Laan, H. P., van den Bosch, L., Korevaar, E., Both, S. & Langendijk, J. A., Aug-2021, In: Radiotherapy and Oncology. 161, p. S112-S114 3 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Importance of dose to the parotid gland stem cell rich region in preventing xerostomia in RT for HNC

  van Rijn-Dekker, M. I., van Luijk, P., van den Bosch, L., van den Hoek, J. G., Oldehinkel, E., Meijer, T. W., Langendijk, J. A. & Steenbakkers, R. J., Aug-2021, In: Radiotherapy and Oncology. 161, p. S401-S402 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Improved robustness in oesophageal cancer treatment by diaphragm based position verification

  Visser, S., den Otter, L. A., Ribeiro, C. O., Korevaar, E. W., Both, S., Langendijk, J. A., Muijs, C. T., Sijtsema, N. M. & Knopf, A., Aug-2021, In: Radiotherapy and Oncology. 161, p. S515-S516 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Introducing IMPT for mediastinal lymphoma: feasibility and NTCP model based selection of patients

  Niezink, A., Klinker, P., Busz, D. M., Beijert, M., Both, S., Pisciotta, P., Korevaar, E. W., Langendijk, J. A. & Crijns, A. P., Aug-2021, In: Radiotherapy and Oncology. 161, p. S243-S243 1 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Introduction of IMPT for (N)SCLC patients: NTCP model based selection of patients and first results

  Wijsman, R., Chouvalova, O., Klinker, P., Niezink, A., Van der Leest, A., Ubbels, F., Woltman-Van Iersel, M., Both, S., Korevaar, E. & Langendijk, J., Aug-2021, In: Radiotherapy and Oncology. 161, p. S122-S123 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• OC-0478 Neural network based synthetic CTs for adaptive proton therapy of lung cancer

  Thummerer, A., Zaffino, P., Seller Oria, C., Meijers, A., Guterres Marmitt, G., Seco, J., Langendijk, J. A., Knopf, A., Spadea, M. F. & Both, S., Aug-2021, In: Radiotherapy and Oncology. 161, Suppl. 1, p. 366-368 3 p., OC-0478.

  Research output: Contribution to journal › Meeting Abstract › Academic

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• Outcome prediction for the prognosis of head and neck cancer patients based on deep learning

  Guo, J., Zhai, T., van der Schaaf, A., Steenbakkers, R. J. H. M., Both, S., Langendijk, J. A., van Ooijen, P. M. A. & Sijtsema, N. M., Aug-2021, In: Radiotherapy and Oncology. 161, p. S71-S72 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Pre-clinical vs. clinical 4D accumulated proton dose delivery for thoracic tumours with large motion

  Ribeiro, C. O., Korevaar, E. W., Visser, S., Hengeveld, A. C., Marmitt, G. G., Langendijk, J. A., Wijsman, R., Knopf, A., Meijers, A. & Both, S., Aug-2021, In: Radiotherapy and Oncology. 161, p. S169-S171 3 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Prospective quality of life in 682 lung cancer patients treated with radiotherapy: real life data

  Nies, M., Wijsman, R., Chouvalova, O., Ubbels, F. J., Elzinga, H. J., Haan-Stijntjes, E., Woltman-van Iersel, M., van der Leest, A. H., Langendijk, J. A. & Niezink, A. G., Aug-2021, In: Radiotherapy and Oncology. 161, p. S181-S182 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Proton therapy for low grade glioma, who will benefit most?

  van der Weide, H., Kramer, M., Scandurra, D., Landeweerd, M., Enting, R., Bosma, I., Heesters, M., Bannink-Gawryszuk, A., Both, S. & Langendijk, J., Aug-2021, In: Radiotherapy and Oncology. 161, p. S103-S105 3 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Radiotherapy as bridging strategy in Large B-cell lymphoma patients selected for CAR T-cell therapy

  Niezink, A., Beijert, M., van Doesum, J., Muijs, C. T., Langendijk, J. A., Busz, D. M., Crijns, A. P. & van Meerten, T., Aug-2021, In: Radiotherapy and Oncology. 161, p. S137-S138 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Range probing as a quality control tool for CBCT based synthetic CTs: an in vivo demonstration

  Seller Oria, C., Thummerer, A., Free, J., Langendijk, J. A., Both, S., Knopf, A. C. & Meijers, A., Aug-2021, In: Radiotherapy and Oncology. 161, p. S368-S370 4 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Reduction of post-operative toxicity in esophageal cancer patients after model based proton therapy

  Muijs, C., Dieters, M., Mul, V. E., Niezink, A. G., van de Schaaf, A., Sijtsema, N. M., Visser, S., Klinker, P., van Etten, B., Korevaar, E. & Langendijk, J. A., Aug-2021, In: Radiotherapy and Oncology. 161, p. S714-S715 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• The impact of beam setup on robustness and organs-at-risk dose in IMPT for lung cancer patients

  Visser, S., Wijsman, R., Wagenaar, D., Ribeiro, C. O., Knopf, A., Langendijk, J. A., Korevaar, E. W. & Both, S., Aug-2021, In: Radiotherapy and Oncology. 161, p. S733-S734 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic
• 2020

  Aspiration related OARs are relevant predictors of silent aspiration after (chemo)radiation.

  Gawryszuk, A., Van der Laan, H. P., Steenbakkers, R. J. M., Van den Hoek, J. G. M., Holwerda, M., Verdonck-de Leeuw, I. M., Rinkel, R. N., Bijl, H. P. & Langendijk, J. A., Nov-2020, In: Radiotherapy and Oncology. 152, p. S13-S13 1 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Automated robust planning for IMPT in oropharyngeal cancer patients using machine learning

  Huiskes, M., Kierkels, R. G. J., Van Bruggen, I. G., Holmstrom, M., Gruselius, H., Fredriksson, A., Berggren, K., Both, S., Langendijk, J. A., Lofman, F. & Korevaar, E. W., Nov-2020, In: Radiotherapy and Oncology. 152, p. S781-S782 2 p.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Can we use the same planning strategies for diaphragm motion in IMPT as we use in VMAT?

  Visser, S., Neh, H., Ribeiro, C. O., Korevaar, E., Meijers, A., Poppe, B., Both, S., Langendijk, J. A., Muijs, K. & Knopf, A., Nov-2020, In: Radiotherapy and Oncology. 152, Suppl 1, p. S393-S393 1 p., OC-0701.

  Research output: Contribution to journal › Meeting Abstract › Academic

• Comparison of CBCT based synthetic CT methods for adaptive proton therapy

  Thummerer, A., Zaffino, P., Meijers, A., Marmitt, G. G., Seco, J., Steenbakkers, R. J. H. M., Langendijk, J. A., Both, S., Spadea, M. F. & Knopf, A. C., Nov-2020, In: Radiotherapy and Oncology. 152, p. S160-S161 3 p.

  Research output: Contribution to journal › Meeting Abstract › Academic