The following is an excerpt from a report received from the State of
Ohio via email:
The criteria for a medical event supported by ODH (Ohio Department of Health) is if the 90% prostate volume receives less than 80% of the prescribed dose or more than 120% of the prescribed dose. Upon generating the post treatment plans for nine patients, the Dosimetry staff discovered that four were below 80%.
Summary of Prostate Implant Incidents:
Case #. Implant Date, Discovery Date, Prescribed Dose (Gy), Estimated D90 (Gy)
1. 9/05/2017, 3/26/2018, 110 Gy, 58.15 Gy
2. 9/28/2017, 3/26/2018, 145 Gy, 100.19 Gy
3. 2/13/2017, 3/26/2018, 110 Gy, 81.28 Gy
4. 2/19/2017, 3/26/2018, 145 Gy, 103.7 Gy
Manufacturer: Theragenics
Model Number: AgX100
Radionuclide: I-125
Item Number: OH180002
A Medical Event may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient.