Radiobiology 2016

1/03/2016

Head & neck • Head & neck reirradiation: selection criteria • Treatment related considerations

• Previous treatment plan: previous dose in area of recurrence ≤50Gy preferred (≥60-70Gy higher risk) • CTV = GTV + margin • Re-irradiation dose: • ≥ 60Gy to achieve more local control • Critical structures: • Spinal cord: do not exceed 50Gy (total cumulative dose) • No cases of myelopathy if cumulative doses ≤60Gy in 2Gy equivalent doses • Brachytherapy for small recurrences in oral cavity and oropharynx • IMRT or SBRT to reduce treatment-related toxicity

Cacicedo Cancer Treatment Reviews 2014

31

Head & neck • Head & neck reirradiation: selection criteria • General considerations • Treatment decision in multidisciplinary team • Consider including patient in clincial trial if possible

Cacicedo Cancer Treatment Reviews 2014

32

16