Letters

Ionising radiation in infancy and adult cognitive function

BMJ 2004; 328 doi: https://doi.org/10.1136/bmj.328.7439.582-b (Published 04 March 2004) Cite this as: BMJ 2004;328:582

Authors' reply

  1. Per Hall, associate professor ([email protected]),
  2. Marie Lundell, hospital physicist
  1. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, S-171 76 Stockholm, Sweden
  2. Department of Hospital Physics, Karolinska University Hospital, S-171 76 Stockholm

    EDITOR—We agree with Meara et al that optimising computed tomography protocols is crucial.

    Fogelholm raises the possibility of the study subjects having Sturge-Weber syndrome—cutaneous and cerebral haemangiomas linked to neurological symptoms such as epileptic seizures and mental retardation. We matched the cohort with the Swedish inpatient registry and compared the observed and expected number of …

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