Quantitative Methods 2017

Guidelines: Do they work?

Unilateral or bilateral elective irradiation

Primary tumour site is: - Floor of mouth - Lateral tongue - Retromolar trigonum

NO

- Cheek - Tonsil

YES

Tumourextension across the midline?

YES

NO

Ipsilateral pN0 neck

Ipsilateral pN+ neck

Contralateral pN0 neck

Contralateral pN+ neck

Contralateral cN0 neck

Contralateral pN0 neck

Tumourextension less than 1 cm from the midline?

NO

NO

YES

YES

Bilateral irradiation of the neck is mandatory

Unilateral irradiation of the neck is mandatory