The purpose of this guideline is to offer to the Nuclear Medicine team a useful framework in daily practice. The present document is influenced by the conclusions of the reunion on "Consensus Guidelines for MIBG Scintigraphy" (Paris, November 6, 1997) of the European Neuroblastoma Group and by those of the Oncologic Committee of the French Society of Nuclear Medicine. This guideline summarises the views of the Paediatric Committee of the European Association of Nuclear Medicine.