Impact of intraoral stent on the side effects of radiotherapy for oral cancer

Background The intraoral stent is a mouth‐opening device which may be used during head and neck cancer radiotherapy with the intention of preventing unnecessary irradiation in normal adjacent tissue. The use of this device during intensity‐modulated radiation therapy (IMRT) has not been reported in...

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Bibliographic Details
Published in:Head & neck 2013-07, Vol.35 (7), p.E213-E217
Main Authors: Verrone, Juliana Rocha, Alves, Fábio de Abreu, Prado, José Divaldo, Boccaletti, Karina Waiswol, Sereno, Milena Priscila, Silva, Maria Letícia Gobo, Jaguar, Graziella Chagas
Format: Article
Language:English
Subjects:
Adult
Carcinoma, Squamous Cell - diagnostic imaging
Carcinoma, Squamous Cell - radiotherapy
Dose-Response Relationship, Radiation
Female
Humans
intensity‐modulated radiation therapy (IMRT)
intraoral stent
Maxilla - radiation effects
oral side effects
osteoradionecrosis
Parotid Gland - radiation effects
Radiation Dosage
Radiation Injuries - prevention & control
Radiotherapy Dosage
Radiotherapy, Intensity-Modulated - methods
Stents
Submandibular Gland - radiation effects
Tomography, X-Ray Computed
Tongue Neoplasms - diagnostic imaging
Tongue Neoplasms - radiotherapy
xerostomia
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Summary:Background The intraoral stent is a mouth‐opening device which may be used during head and neck cancer radiotherapy with the intention of preventing unnecessary irradiation in normal adjacent tissue. The use of this device during intensity‐modulated radiation therapy (IMRT) has not been reported in the literature. Methods A 30‐year‐old woman with squamous cell carcinoma of the tongue was submitted to a CT for IMRT treatment planning with and without the use of the intraoral stent. Results Dosimetric analysis showed that the irradiation dose to the maxilla, both parotid glands, and left submandibular gland decreased with the use of this device. Conclusion This article shows that intraoral stents seem to be useful in decreasing the radiation dose to healthy structures, especially in bone structures and salivary glands during radiotherapy, and emphasizes the importance of a multidisciplinary team during oncological therapy. © 2012 Wiley Periodicals, Inc. Head Neck, 2013
ISSN:1043-3074
1097-0347
DOI:10.1002/hed.23028