» Articles » PMID: 26852243

Unilateral and Bilateral Neck SIB for Head and Neck Cancer Patients : Intensity-modulated Proton Therapy, Tomotherapy, and RapidArc

Overview
Specialties Oncology
Radiology
Date 2016 Feb 8
PMID 26852243
Citations 10
Authors
Affiliations
Soon will be listed here.
Abstract

Aim: To compare simultaneous integrated boost plans for intensity-modulated proton therapy (IMPT), helical tomotherapy (HT), and RapidArc therapy (RA) for patients with head and neck cancer.

Patients And Methods: A total of 20 patients with squamous cell carcinoma of the head and neck received definitive chemoradiation with bilateral (n = 14) or unilateral (n = 6) neck irradiation and were planned using IMPT, HT, and RA with 54.4, 60.8, and 70.4 GyE/Gy in 32 fractions. Dose distributions, coverage, conformity, homogeneity to planning target volumes (PTV)s and sparing of organs at risk and normal tissue were compared.

Results: All unilateral and bilateral plans showed excellent PTV coverage and acceptable dose conformity. For unilateral treatment, IMPT delivered substantially lower mean doses to contralateral salivary glands (< 0.001-1.1 Gy) than both rotational techniques did (parotid gland: 6-10 Gy; submandibular gland: 15-20 Gy). Regarding the sparing of classical organs at risk for bilateral treatment, IMPT and HT were similarly excellent and RA was satisfactory.

Conclusion: For unilateral neck irradiation, IMPT may minimize the dry mouth risk in this subgroup but showed no advantage over HT for bilateral neck treatment regarding classical organ-at-risk sparing. All methods satisfied modern standards regarding toxicity and excellent target coverage for unilateral and bilateral treatment of head and neck cancer at the planning level.

Citing Articles

Impact of delivery time factor on treatment time and plan quality in tomotherapy.

Yagihashi T, Inoue T, Shiba S, Yamano A, Minagawa Y, Omura M Sci Rep. 2023; 13(1):12207.

PMID: 37500671 PMC: 10374581. DOI: 10.1038/s41598-023-39047-z.


Intensity-modulated proton therapy for oropharyngeal cancer reduces rates of late xerostomia.

Cao J, Zhang X, Jiang B, Chen J, Wang X, Wang L Radiother Oncol. 2021; 160:32-39.

PMID: 33839202 PMC: 8349568. DOI: 10.1016/j.radonc.2021.03.036.


A Dosimetric Comparison of Oral Cavity Sparing in the Unilateral Treatment of Early Stage Tonsil Cancer: IMRT, IMPT, and Tongue-Deviating Oral Stents.

Grant S, Williamson T, Stieb S, Shah S, Fuller C, Rosenthal D Adv Radiat Oncol. 2020; 5(6):1359-1363.

PMID: 33305099 PMC: 7718552. DOI: 10.1016/j.adro.2020.08.007.


Report on planning comparison of VMAT, IMRT and helical tomotherapy for the ESCALOX-trial pre-study.

Pigorsch S, Kampfer S, Oechsner M, Mayinger M, Mozes P, Devecka M Radiat Oncol. 2020; 15(1):253.

PMID: 33138837 PMC: 7607845. DOI: 10.1186/s13014-020-01693-2.


Helical tomotherapy: Comparison of Hi-ART and Radixact clinical patient treatments at the Technical University of Munich.

Kraus K, Kampfer S, Wilkens J, Schuttrumpf L, Combs S Sci Rep. 2020; 10(1):4928.

PMID: 32188899 PMC: 7080845. DOI: 10.1038/s41598-020-61499-w.


References
1.
Kraan A, van de Water S, Teguh D, Al-Mamgani A, Madden T, Kooy H . Dose uncertainties in IMPT for oropharyngeal cancer in the presence of anatomical, range, and setup errors. Int J Radiat Oncol Biol Phys. 2013; 87(5):888-96. DOI: 10.1016/j.ijrobp.2013.09.014. View

2.
Gregoire V, Levendag P, Ang K, Bernier J, Braaksma M, Budach V . CT-based delineation of lymph node levels and related CTVs in the node-negative neck: DAHANCA, EORTC, GORTEC, NCIC,RTOG consensus guidelines. Radiother Oncol. 2003; 69(3):227-36. DOI: 10.1016/j.radonc.2003.09.011. View

3.
Otto K . Volumetric modulated arc therapy: IMRT in a single gantry arc. Med Phys. 2008; 35(1):310-7. DOI: 10.1118/1.2818738. View

4.
Maes A, Weltens C, Flamen P, Lambin P, Bogaerts R, Liu X . Preservation of parotid function with uncomplicated conformal radiotherapy. Radiother Oncol. 2002; 63(2):203-11. View

5.
Smet S, Lambrecht M, Vanstraelen B, Nuyts S . Clinical and dosimetric evaluation of RapidArc versus standard sliding window IMRT in the treatment of head and neck cancer. Strahlenther Onkol. 2014; 191(1):43-50. DOI: 10.1007/s00066-014-0742-x. View