Report relative to the radiotherapy accident occurred at the C.H.U. of Toulouse - Rangueil hospital

A defect of calibration of accelerator used for the radiotherapy pulls an uncertainty on 145 patients treated since the starting of the device. It appears after calculation that the volume(of sane organs) concerned by a overdose are only for six cases. It is difficult to know from these data if a sanitary effect can occur the volume irradiated being very low. The manufacturer of the device who detected an abnormality in the files of calibration warns the hospital on April 17., 2007, the hospital stops the functioning of the device on April 18., on April 20. the declaration)of the event arrives at the division of the Asn of Bordeaux. The D.D.A.S.S. of Haute-Garonne and the regional agency of hospitalization (A.R.H.) of south Pyrenees were contacted by the division of Bordeaux. Patients are informed their files will be given to I.R.S.N. for a study concerning eventual side effects. The institute of sanitary surveillance will realize a follow up of the patients concerned and has to propose a protocol of epidemiological surveillance that will be on a two years period that corresponds to the delay of side effects appearance after this kind of treatment. (N.C.)