CPB Ljubljana 2018 course book

Postoperative LDR BT in mobile tongue

• The 5-year survival rates after hemiglossectomy and neck dissection do not attain 50%, mainly because of local and regional failure • SCC of the tongue (T1 or T2): partial glossectomy with homolateral or bilateral neck dissection • Postop BT was indicated: 2015

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Age<50 years,

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tumor size>T2,

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recurrent tumor,

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R1 or R0 <5 mm margins,

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high-grade dysplasic margins,

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lymphatic vessel invasion,

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perineural spread. • Dose: 50-55Gy at 85% (Paris System)

Goineau A. Postoperative interstitial brachytherapy for resectable squamous cell carcinoma of the tongue. Brachytherapy 2015 ; 14:71-76