Suspicion of relapse

• [¹⁸F]FDG

  Clinical Evaluation	Glucose metabolism
  Type of Imaging	PET

• ¹³¹I-mIBG

  Clinical Evaluation	Noradrenalin analogue for evaluation of the neural crest
  Type of Imaging	Scintigraphy

• ⁶⁸Ga-Somatostatin Analogues

  Clinical Evaluation	Somatostatin receptor expression
  Type of Imaging	PET

• L-[¹⁸F]FDOPA

  Clinical Evaluation	Amino acid uptake
  Type of Imaging	PET