Roelf Valkema
Rotterdam, ZH, Netherlands
Last Updated: 09/26/2026
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Found 53 publications
Surveillance vs Standard Surgery and Cost-Effectiveness After Neoadjuvant Chemoradiotherapy for Esophageal Cancer: Secondary Analysis of a Randomized Clinical Trial.
Journal: JAMA network open
Published: July 27, 2026
Reconstruction matters: influence of EARL standards and BSREM in [18F]FET PET for distinguishing glioma progression from treatment-related changes.
Journal: EJNMMI research
Published: February 06, 2026
Health-related quality of life of patients undergoing active surveillance versus standard surgery for oesophageal cancer (SANO trial).
Journal: The British journal of surgery
Published: July 18, 2025
Clinical evaluation of [18F]fluoro-2-deoxy-d-glucose positron emission tomography-magnetic resonance imaging ([18F]FDG PET-MRI) and [18F]FDG PET-computed tomography ([18F]FDG PET-CT) for lymph node assessment in head and neck squamous cell carcinoma.
Journal: Clinical radiology
Published: February 26, 2025
Measuring Total Metabolic Tumor Volume from 18F-FDG PET: A Reality Check.
Journal: Journal of nuclear medicine : official publication, Society of Nuclear Medicine
Published: December 04, 2024
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.
Journal: The Lancet. Oncology
Published: June 14, 2024
Interval Metastases After Neoadjuvant Chemoradiotherapy for Patients with Locally Advanced Esophageal Cancer: A Multicenter Observational Cohort Study.
Journal: Annals of surgical oncology
Published: February 08, 2024
Induction chemotherapy followed by response evaluation and esophagectomy for advanced esophageal cancer.
Journal: European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
Published: November 22, 2023
18 F-FDG PET/MRI for restaging esophageal cancer after neoadjuvant chemoradiotherapy.
Journal: Nuclear medicine communications
Published: November 20, 2023
Adjuvant Therapy for Patients with a Tumor-Positive Resection Margin After Neoadjuvant Chemoradiotherapy and Esophagectomy.
Journal: Annals of surgical oncology
Published: October 06, 2023
External validation of 18 F-FDG PET-based radiomic models on identification of residual oesophageal cancer after neoadjuvant chemoradiotherapy.
Journal: Nuclear medicine communications
Published: May 03, 2023
Last Updated: 09/26/2026