ESTRO 2025 - Abstract Book

S1019

Clinical – Head & neck

ESTRO 2025

Conclusion: The reductions in dose and the risk of side effects resulting from the studied changes in clinical practice were modest, indicating effective manual planning protocols pre auto-planning. The new CTV definition did not offer a reduction in Dmean to major OAR. No effect on outcome was observed.

Keywords: CTV guidelines, autoplanning, head and neck cancer

References: 1. Grégoire et al. Delineation of the primary tumour Clinical Target Volumes (CTV-P) in laryngeal, hypopharyngeal, oropharyngeal and oral cavity squamous cell carcinoma: AIRO, CACA, DAHANCA, EORTC, GEORCC, GORTEC, HKNPCSG, HNCIG, IAG-KHT, LPRHHT, NCIC CTG, NCRI, NRG Oncology, PHNS, SBRT, SOMERA, SRO, SSHNO, TROG consensus guidelines. Radiother Oncol., 2018, 126:3–24

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Digital Poster The impact of haemoglobin and package time on head and neck squamous cell cancer outcomes after radical surgery and adjuvant radiotherapy Lei Wang 1 , Arissa James 2 , Arjun Bains 3 , Frederick Lam 4 , Linn Oo 2 , Zaid Awad 5 , Dorothy Gujral 1 1 Clinical Oncology, Imperial College Healthcare NHS Trust, London, United Kingdom. 2 Oncology, Imperial College Healthcare NHS Trust, London, United Kingdom. 3 Radiation Physics and Radiobiology, Imperial College Healthcare NHS Trust, London, United Kingdom. 4 Medicine, Imperial College London, London, United Kingdom. 5 Otolaryngology, Imperial College Healthcare NHS Trust, London, United Kingdom