Molecular Imaging 2017

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Outcome

5 patients PET positive -> LND Histopathology unknown No recurrences at follow-up

45 patients PET negative -> no LND 4/45 = 8% neck recurrences (time after PET = 0.5, 0.6, 1.2, 2.0Y)

Comparison with CT strategy 1 additional recurrence (2%)

Was operable, recurrence in LND field 3 patients would have recurrence anyway (6%) 1 = CT complete remission 1 = Recurrent node was never operable (retropharyngeal) 1 = Double sided neck recurrence