Which of the following is used to differentiate tumour recurrence and radiation necrosis?
ANSWER: (A) PET scanREF: Devita oncology 6th ed chapter 27PET may be used in therapeutic monitoring after chemotherapy or radiotherapy, with a classic indication being assessment for recurrent tumor versus radiation necrosis. Conventional imaging can not differentiate recurrent tumor from radiation necrosis
PET scan
MRI
3D CT
USG