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1996 San Juan de Dios radiotherapy accident

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Title: 1996 San Juan de Dios radiotherapy accident  
Author: World Heritage Encyclopedia
Language: English
Subject: Nuclear and radiation accidents and incidents, Lists of nuclear disasters and radioactive incidents, Radiation, Radiation therapy, Nuclear fission
Collection: 1996 Industrial Disasters, Disasters in Costa Rica, Radiation Accidents and Incidents
Publisher: World Heritage Encyclopedia

1996 San Juan de Dios radiotherapy accident

The radiotherapy accident in Costa Rica occurred with the Alcyon II radiotherapy unit at San Juan de Dios Hospital in San José, Costa Rica. It was related to a Cobalt-60 source that was being used for radiotherapy in 1996. An accidental overexposure of radiotherapy patients treated during August and September 1996 was detected. During the calibration process done after the change of Co-60 source on 22 August 1996, a mistake was made in calculating the dose rate leading to severe overexposure of patients. The error of calibration was detected on 27 December 1997. In the course of the accident 114 patients received an overdose of radiation and 13 died of radiation-related injuries.[1][2]

See also


  1. ^ Medical management of radiation accidents pp. 299 & 303.
  2. ^ Strengthening the Safety of Radiation Sources p. 15.

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