Publications by authors named "Roelf Valkema"

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Measuring Total Metabolic Tumor Volume from F-FDG PET: A Reality Check.
Ronald Boellaard, Gerben J C Zwezerijnen, Irène Buvat, Laurence Champion, Narinée Hovhannisyan-Baghdasarian, Roelf Valkema

J Nucl Med· May 2025

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Neoadjuvant chemoradiotherapy followed by active surveillance versus standard surgery for oesophageal cancer (SANO trial): a multicentre, stepped-wedge, cluster-randomised, non-inferiority, phase 3 trial.
Berend J van der Wilk, Ben M Eyck, Bas P L Wijnhoven, Sjoerd M Lagarde, Camiel Rosman, Maria J Valkema, Roelf Valkema

Lancet Oncol· April 2025

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Active surveillance in patients with a complete clinical response after neoadjuvant chemoradiotherapy for esophageal- and gastroesophageal junction cancer.
Tamara J Huizer, Sjoerd M Lagarde, Joost J M E Nuyttens, Lindsey Oudijk, Manon C W Spaander, Roelf Valkema

Innov Surg Sci· March 2025

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Interval Metastases After Neoadjuvant Chemoradiotherapy for Patients with Locally Advanced Esophageal Cancer: A Multicenter Observational Cohort Study.
Charlène J van der Zijden, Pieter C van der Sluis, Bianca Mostert, Joost J M E Nuyttens, J Jan B van Lanschot, Roelf Valkema

Ann Surg Oncol· November 2024

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Potential of PSMA-targeting radioligand therapy for malignant primary and secondary brain tumours using super-selective intra-arterial administration: a single centre, open label, non-randomised prospective imaging study.
Ilanah J Pruis, Pieter Jan van Doormaal, Rutger K Balvers, Martin J van den Bent, Anita A Harteveld, Roelf Valkema

EBioMedicine· April 2024

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Induction chemotherapy followed by response evaluation and esophagectomy for advanced esophageal cancer.
Charlène J van der Zijden, Pieter C van der Sluis, Bianca Mostert, Joost J M E Nuyttens, Manon C W Spaander, Roelf Valkema

Eur J Surg Oncol· March 2024

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18 F-FDG PET/MRI for restaging esophageal cancer after neoadjuvant chemoradiotherapy.
Maria J Valkema, Quido G de Lussanet de la Sablonière, Roelf Valkema, Maarten G J Thomeer, Roy S Dwarkasing

Nucl Med Commun· February 2024

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External validation of 18 F-FDG PET-based radiomic models on identification of residual oesophageal cancer after neoadjuvant chemoradiotherapy.
Maria J Valkema, Roelof J Beukinga, Avishek Chatterjee, Henry C Woodruff, David van Klaveren, Roelf Valkema

Nucl Med Commun· August 2023

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A prospective cohort study on active surveillance after neoadjuvant chemoradiotherapy for esophageal cancer: protocol of Surgery As Needed for Oesophageal cancer-2.
Charlène J van der Zijden, Sjoerd M Lagarde, Merel Hermus, Leonieke W Kranenburg, J Jan B van Lanschot, Maria J Valkema, Roelf Valkema

BMC Cancer· April 2023

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Prognostic value of TARC and quantitative PET parameters in relapsed or refractory Hodgkin lymphoma patients treated with brentuximab vedotin and DHAP.
Julia Driessen, Marie José Kersten, Lydia Visser, Anke van den Berg, Sanne H Tonino, Roelf Valkema

Leukemia· December 2022

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Active Surveillance Versus Immediate Surgery in Clinically Complete Responders After Neoadjuvant Chemoradiotherapy for Esophageal Cancer: A Multicenter Propensity Matched Study.
Berend J van der Wilk, Bo J Noordman, Lisanne K A Neijenhuis, Daan Nieboer, Grard A P Nieuwenhuijzen, Roelf Valkema

Ann Surg· December 2021

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Positive [F]fluoroethyltyrosine PET/MRI in suspected recurrence of growth hormone-producing pituitary adenoma in a paediatric patient.
Sophie E M Veldhuijzen van Zanten, Sebastian J C M M Neggers, Roelf Valkema, Frederik A Verburg

Eur J Nucl Med Mol Imaging· December 2021

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Updated protocol of the SANO trial: a stepped-wedge cluster randomised trial comparing surgery with active surveillance after neoadjuvant chemoradiotherapy for oesophageal cancer.
Ben M Eyck, Berend J van der Wilk, Bo Jan Noordman, Bas P L Wijnhoven, Sjoerd M Lagarde, Roelf Valkema

Trials· May 2021

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Combining brentuximab vedotin with dexamethasone, high-dose cytarabine and cisplatin as salvage treatment in relapsed or refractory Hodgkin lymphoma: the phase II HOVON/LLPC Transplant BRaVE study.
Marie José Kersten, Julia Driessen, Josée M Zijlstra, Wouter J Plattel, Franck Morschhauser, Roelf Valkema

Haematologica· April 2021

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Surveillance of Clinically Complete Responders Using Serial F-FDG PET/CT Scans in Patients with Esophageal Cancer After Neoadjuvant Chemoradiotherapy.
Maria J Valkema, Berend J van der Wilk, Ben M Eyck, Bas P L Wijnhoven, Manon C W Spaander, Roelf Valkema

J Nucl Med· April 2021

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Does tumescent liposuction damage the lymph vessels in lipoedema patients?
Chantalle B van de Pas, Robert Sm Boonen, Shaula Stevens, Sten Willemsen, Roelf Valkema

Phlebology· May 2020

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Towards an Organ-Sparing Approach for Locally Advanced Esophageal Cancer.
Berend Jan van der Wilk, Ben M Eyck, Manon C W Spaander, Roelf Valkema, Sjoerd M Lagarde

Dig Surg· March 2020

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Accuracy of detecting residual disease after neoadjuvant chemoradiotherapy for esophageal squamous cell carcinoma (preSINO trial): a prospective multicenter diagnostic cohort study.
Xiaobin Zhang, Ben M Eyck, Yang Yang, Jun Liu, Yin-Kai Chao, Roelf Valkema

BMC Cancer· March 2020

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Accuracy of Detecting Residual Disease After Neoadjuvant Chemoradiotherapy for Esophageal Cancer: A Systematic Review and Meta-analysis.
Ben M Eyck, Barbera D Onstenk, Bo J Noordman, Daan Nieboer, Manon C W Spaander, Roelf Valkema

Ann Surg· February 2020

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Accuracy of F-FDG PET/CT in Predicting Residual Disease After Neoadjuvant Chemoradiotherapy for Esophageal Cancer.
Maria J Valkema, Bo Jan Noordman, Bas P L Wijnhoven, Manon C W Spaander, Katharina Biermann, Roelf Valkema

J Nucl Med· November 2019

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Prediction of long-term (> 10 year) cardiovascular outcomes in heart transplant recipients: Value of stress technetium-99m tetrofosmin myocardial perfusion imaging.
Jesse F Veenis, Hendrik J Boiten, Jan C van den Berge, Kadir Caliskan, Alex P W M Maat, Roelf Valkema

J Nucl Cardiol· June 2019

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Hybrid 18F-fluorodeoxyglucose positron emission tomography/CT angiography in percutaneous pulmonary prosthetic valve endocarditis.
Laurens E Swart, Jolien W Roos-Hesselink, Roelf Valkema, Carolina A M Schurink, Ricardo P J Budde

Eur Heart J Cardiovasc Imaging· October 2018

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Detection of residual disease after neoadjuvant chemoradiotherapy for oesophageal cancer (preSANO): a prospective multicentre, diagnostic cohort study.
Bo Jan Noordman, Manon C W Spaander, Roelf Valkema, Bas P L Wijnhoven, Mark I van Berge Henegouwen

Lancet Oncol· July 2018

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Qualitative agreement and diagnostic performance of arterial spin labelling MRI and FDG PET-CT in suspected early-stage dementia: Comparison of arterial spin labelling MRI and FDG PET-CT in suspected dementia.
Kathleen Weyts, Meike Vernooij, Rebecca Steketee, Roelf Valkema, Marion Smits

Clin Imaging· April 2018

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Neoadjuvant chemoradiotherapy plus surgery versus active surveillance for oesophageal cancer: a stepped-wedge cluster randomised trial.
Bo Jan Noordman, Bas P L Wijnhoven, Sjoerd M Lagarde, Jurjen J Boonstra, Peter Paul L O Coene, Roelf Valkema

BMC Cancer· February 2018

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