title: Glow in the dark.
abstract: OBJECTIVE
  To highlight the importance of radiation safety and handling of radioactive secretions following 131I-meta iodobenzylguanidine (131I-mIBG) use in the treatment of neuroblastoma.
  
  
  METHODS
  We report a 4-year-old girl with stage 4 neuroblastoma, on whom's single-photon emission computer tomography (SPECT) scan we demonstrate four extra-corporal areas of radioactivity confirming radiation uptake in the four corners of her 'comfort blanket' that had been used to cover her during the scan. It transpired that she had been sucking on the four corners of this blanket.
  
  
  RESULTS
  The patient's secretions remain radioactive for some time following scintigraphy, as evidence of radioactivity in the patient's comfort blanket.
  
  
  CONCLUSIONS
  Radioactive uptake of 131I-mIBG in the salivary glands of patients has previously been reported. This illustrative case emphasizes that patient's secretions remain radioactive following treatment and highlights the importance of careful handling of radioactive secretions.
authors.affiliation: 1 Department of Paediatric Neurology, Chelsea and Westminster Hospital, London, UK ; 2 Department of Neurology, National Hospital for Neurology and Neurosurgery, Queen Square, London, UK.
authors.forename: Loucas
authors.initials: L
authors.lastname: Christodoulou
authors.affiliation: 1 Department of Paediatric Neurology, Chelsea and Westminster Hospital, London, UK ; 2 Department of Neurology, National Hospital for Neurology and Neurosurgery, Queen Square, London, UK.
authors.forename: Kit
authors.initials: K
authors.lastname: Wu
keywords: 131I-meta iodobenzylguanidine (131I-mIBG); SPECT scan; neuroblastoma; radiation safety; salivary uptake